Kompressor variabler Verdrängung

INCLINED DISK COMPRESSOR WITH VARIABLE DISPLACEMENT

WOBBLE PLATE COMPRESSOR WITH SUCTION-DISCHARGE DIFFERENTIAL PRESSURE CONTROL OF DISPLACEMENT

WOBBLE PLATE TYPE COMPRESSOR WITH VARIABLE DISPLACEMENT MECHANISM A refrigerant compressor including a compressor housing having a cylinder block is disclosed. A plurality of cylinders are formed around the periphery of the cylinder block and a piston slidably fitted within each of the cylinders. The pistons are reciprocated by a drive mechanism. A crank chamber is formed between the cylinder block and a front end plate of the compressor housing. A drive mechanism includes a drive shaft, a rotor disposed on said drive shaft, a slant plate with an adjustable slant angle disposed adjacent the rotor, and a wobble plate disposed adjacent the slant plate. Rotation of the drive shaft causes rotation of the rotor and the slant plate,resulting in nutational motion of the wobble plate to reciprocate the pistons within their cylinders. The slant angle of the slant plate changes in response to a change of pressure in the crank chamber to change the capacity of the compressor. The compressor housing ...

SAFETY DEVICE FOR COMPRESSOR OF AIR-CONDITIONING

SAFETY DEVICE FOR COMPRESSOR OF AIR-CONDITIONING

A safety device limits the pressure in an axial-piston compressor with variable piston displacement. The compressor has as wobble plate or swash plate whose tilt angle can be variably controlled by the pressure differential between the high pressure in the discharge pressure zone and the pressure in the piston-drive chamber. The safety device consists of a valve arranged in a connector channel between the discharge pressure zone and the pressure zone of the piston-drive chamber. When the discharge pressure exceeds a given pressure limit, the safety device responds by allowing an increased flow of pressure medium from the discharge pressure zone to the piston-drive chamber. The influx of pressure medium into the piston-drive chamber causes a reduction of the tilt angle of the swash plate or wobble plate.

SAFETY DEVICE FOR COMPRESSOR OF AIR-CONDITIONING

Dispositif de s ecurit e pour la limitation de la pression d'un compresseur à course variable ou à refoulement variable, dans lequel l'inclinaison du disque oscillant ou du disque inclin e est vari ee au moins par la diff erence entre la haute pression dans la zone de la pression de d echarge (11) et la pression dans le compartiment d'entraînement (16), et eventuellement par la diff erence entre la pression dans le compartiment d'entraînement (16) et la pression d'aspiration, avec une liaison d'arriv ee entre la zone de la pression de d echarge et la zone de la pression du compartiment d'entraînement, avec un dispositif de vanne (50) qui est plac e dans la liaison d'arriv ee et eventuellement avec un el ement d' etranglement de dispositif de d erivation. Safety device for limiting the pressure of a compressor with variable stroke or variable discharge, in which the inclination of the oscillating disc or of the inclined disc is varied at least by the difference between the high pressure in the area of the discharge pressure (11) and the pressure in the drive compartment (16), and possibly by the difference between the pressure in the drive compartment (16) and the suction pressure, with an inlet connection between the relief pressure zone and the pressure zone of the drive compartment, with a valve device (50) which is placed in the inlet connection and possibly with a bypass device throttle element.

CONTROL DEVICE FOR VARIABLE DISPLACEMENT COMPRESSOR

PURPOSE: To provide a control device for variable displacement compressor which makes excellent start-up property compatible with stabilization of discharge capacity control at a high quality level in an air conditioning device. CONSTITUTION: A crank chamber side passage 69 from a crank chamber 17, a suction chamber side passage 68 from a suction chamber 25, and a discharge chamber side passage 67 from a discharge chamber 26 are connected to an auxiliary valve 62. A capacity control valve 33 for adjusting an opening of the passage 67 is provided on the discharge chamber side passage 67. The auxiliary valve 62 is constituted by a spool valve 64 slidably housed in a valve chamber 63. The inside of the valve chamber 63 is partitioned into a first pressure chamber 65 and a second pressure chamber 66 by the spool valve 64. The discharge chamber side passage 67 is connected to the first pressure chamber 65, and the suction chamber side passage 68 is connected to the second pressure chamber 66 ...

CAPACITY CONTROL TOOL IN A VARIABLE CAPACITIVE COMPRESSOR, CAPABLE OF SHORTENING THE TIME REQUIRED UNTIL A DISCHARGED CAPACITY GROWS LARGER

PURPOSE: A capacity control tool in a variable capacitive compressor is provided to improve the operation efficiency. CONSTITUTION: A capacity control tool in a variable capacitive compressor comprises the first control valve(33), a valve body(46), and the second control valve(34). The first control valve adjusts the path cross-section of a supply path. The valve body opens and closes the second discharge path(55). The second control valve comprises an open valve spring for pressurizing the valve body toward the open position where the second discharge path is opened. The valve body of the second control valve is at a closed position when the first control valve is opened and is at an opened position when the first control valve is closed. The valve body of the second control valve is pressurized from a closed position to an opened position. COPYRIGHT KIPO 2010 ...

compressor do tipo de deslocamento variável com mecanismo de controle de deslocamento

AXIAL PISTON COMPRESSOR

Displacement control mechanism for variable displacement type compressor

Taumelscheibenkompressor mit variabler Verdrängung

SAFETY DEVICE FOR CLIMATIC COMPRESSOR

COMPRESSOR WITH VARIABLE DISPLACEMENT WITH DISPLACEMENT CONTROL MECHANISM

COMPRESSOR HAS DISPLACEMENT VARIABLE COMPRISING TWO VALVES OF CONTROL OF PRESSURE TO CONTROL ITS DISPLACEMENT

L'invention concerne un compresseur à déplacement variable comportant une chambre d'aspiration (65), une chambre d'évacuation (64), une chambre d'arbre (55) et un mécanisme de contrôle de déplacement pour régler la pression de ladite chambre d'arbre (55). Ledit mécanisme de contrôle de déplacement comprend une chambre de pression de contrôle (32), un premier passage (86) raccordé à ladite chambre de pression de contrôle (32) et à ladite chambre d'évacuation (64), une première valve de contrôle de pression (10) raccordée audit premier passage (86) pour réguler son degré d'ouverture, un deuxième passage (36) raccordé à ladite chambre d'arbre (55) et à ladite chambre d'évacuation (64) et une deuxième valve de contrôle de pression (30) raccordée audit deuxième passage (36) pour régler son degré d'ouverture en réponse à la pression dans ladite chambre de pression de contrôle (32).

COMPRESSOR

Capacity control system of capacity variable type compressor

본 발명은 가변 용량형 압축기의 기동 직후에 있어서 토출 용량이 커질 때까지 걸리는 시간을 단축할 수 있고, 또한 운전 효율 향상에 적합한 용량 제어 기구를 제공한다. The present invention can shorten the time taken until the discharge capacity becomes large immediately after starting the variable displacement compressor, and provides a capacity control mechanism suitable for improving operation efficiency. 리어 하우징(13)에는 제 1 제어 밸브(33), 제 2 제어 밸브(34) 및 역지 밸브(35)가 내장되어 있다. 제 1 제어 밸브(33) 및 역지 밸브(35)는 공급 통로(64)상에 개재되어 있다. 제 2 제어 밸브(34)의 밸브체(46)는 밸브 하우징(45) 내에 배압실(451)과 유통실(452)을 구획하고 있다. 흡입실(131)과 제어압실(121)은 제 1 배출 통로(58)에 의해서 연통되어 있다. 제 1 제어 밸브(33)가 개방 상태에 있을 때에는 토출실(132)의 압력이 배압실(451)로 파급되고, 제 2 제어 밸브(34)의 밸브체(46)가 스로틀 통로(53)를 폐쇄하고, 제 2 배출 통로(55)가 폐쇄된다. 제 1 제어 밸브(33)가 폐쇄 상태에 있을 때에는 제 2 제어 밸브(34)의 밸브체(46)가 스로틀 통로(53)를 개방하고, 제 2 배출 통로(55)가 개방된다. The rear housing 13 includes a first control valve 33, a second control valve 34, and a check valve 35. The first control valve 33 and the check valve 35 are interposed on the supply passage 64. The valve body 46 of the second control valve 34 partitions the back pressure chamber 451 and the flow chamber 452 in the valve housing 45. The suction chamber 131 and the control pressure chamber 121 communicate with each other by the first discharge passage 58. When the first control valve 33 is in the open state, the pressure in the discharge chamber 132 propagates to the back pressure chamber 451, and the valve body 46 of the second control valve 34 opens the throttle passage 53. And the second discharge passage 55 is closed. When the first control valve 33 is in the closed state, the valve body 46 of the second control valve 34 opens the throttle passage 53, and the second discharge passage 55 opens. 가변 용량형 압축기, 용량 제어 기구, 제어 밸브, 역지 밸브, 밸브체, 밸브 하우징, 배압실, 유통실, 흡입실, 제어압실 Variable displacement compressor, capacity control mechanism, control valve, check valve, valve body, valve housing, back pressure chamber, distribution chamber, suction chamber, control pressure chamber

CAPACITY CONTROL SYSTEM OF A VARIABLE CAPACITY TYPE COMPRESSOR, WHICH CONTROLS THE DISCHARGE AMOUNT USING A PRESSURE CONTROL OF A CRANKCASE

PURPOSE: A capacity control system of a variable capacity type compressor is provided to prevent the degradation of the operating efficiency of the variable displacement compressor by controlling the operating timing of a second control valve. CONSTITUTION: A capacity control system of a variable capacity type compressor comprises a first control valve, a second control valve, and a check valve(90). The cross sections of an air supply passage(29) are controlled with the first control valve. The second control valve comprises a back pressure chamber(80), a valve room(71), a valve port(27a), a spool(75), and a throttle. The valve port is formed in the valve room. The spool reduces the openness of the valve port if the pressure of the back pressure chamber is enhanced. COPYRIGHT KIPO 2010 ...

Dispositivo de controle para compressor do tipo deslocamento variavel

VARIABLE DISPLACEMENT TYPE SWASH PLATE CLUTCH-LESS COMPRESSOR

A variable displacement type swash plate clutch-less compressor comprising: a shaft (5) borne rotatably in a housing; a swash plate (10) mounted in an inclinable manner on the shaft (5) so that it rotates integrally with the shaft (5); and a discharge passage (D) for feeding a refrigerant gas to the outside of the compressor, as it is discharged from a compressor chamber (6a) to a discharge chamber (12). In the discharge passage (D), there is disposed a discharge check valve (13) which has a lower opening pressure than an opening pressure.

Control valve for variable displacement compressor

To provide a control valve for use in a variable displacement compressor, for fixed flow rate control, which can be constructed compact in size without necessitating pressure sensors for detecting a differential pressure. The control valve comprises a first valve having configuration of a check valve that opens and closes by the differential pressure between discharge pressure from a discharge chamber and discharge pressure at an outlet port of the compressor, a second valve that opens and closes by sensing the differential pressure between the discharge pressure Pdh and pressure in the crankcase, and a solenoid that sets the differential pressure across the first valve. The motion of a valve element of the first valve is transmitted to a valve element of the second valve via a shaft. With this arrangement, the second valve controls the pressure in the crankcase such that the differential pressure across the first valve becomes equal to a fixed value set by the solenoid, whereby the flow ...

SWASH PLATE TYPE VARIABLE DISPLACEMENT COMPRESSOR

When a solenoid 42 of a flow-rate control valve drive mechanism is demagnetized, a pilot valve 41 is closed for introduction of working pressure into a pressure chamber 35 of a flow-rate control valve 31 to be stopped, and a spool valve 33 is closed for a low-pressure side refrigerant path 25 to be closed and for a refrigerant suction rate to a refrigerant suction chamber 7 to be reduced to a zero.

Verstellbarer Taumelscheibenverdichter

Ein verstellbarer Taumelscheibenverdichter schließt einen Sammel- und Zuführmechanismus ein. Der Sammel- und Zuführmechanismus weist Sammeldurchgänge, Zuführdurchgänge, einen ringförmigen Raum, eine Einlassöffnung und eine Auslassöffnung auf. Die Einlassöffnung ist mit einem Arbeitssammeldurchgang der Sammeldurchgänge verbindbar. Die Auslassöffnung ist mit einem Arbeitszuführdurchgang der Zuführdurchgänge verbindbar. Wenn der Neigungswinkel der Taumelscheibe maximal ist, wird restliches Kühlmittelgas in einer Sammelphasenverdichtungskammer durch den Arbeitssammeldurchgang gesammelt und das gesammelte Kühlmittelgas wird einer Zuführphasenverdichtungskammer zugeführt. Wenn der Neigungswinkel andererseits weniger als das Maximum beträgt, wird restliches Kühlmittelgas nicht mehr in die Zuführphasenverdichtungskammer geführt.

SICHERHEITSEINRICHTUNG FÜR KLIMAKOMPRESSOR

System for controlling capacity of variable capacity compressor and display device

COMPRESSOR

A compressor including an oil separator for separating of oil from a refrigerant gas introduced in a separation chamber; an annular space for pooling of the oil separated from the refrigerant gas; and an oil storing chamber for storing of the separated oil. The oil separator is disposed in a cylindrical hole provided in an emission chamber into which the refrigerant gas is emitted. The cylindrical hole is fitted with a lid for partitioning of the cylindrical hole from the emission chamber. The oil separator transfers the refrigerant gas from the emission chamber through an introduction passageway into the separation chamber. The annular space is disposed around the lid and, through an oil passageway, communicates with the oil storing chamber. The oil storing chamber communicates with a crank chamber exhibiting a pressure lower than that of the emission chamber. © KIPO & WIPO 2008 ...

CONTROL VALVE FOR VARIABLE DISPLACEMENT COMPRESSOR FOR INCLUDING THE FUNCTION OF A CHECK VALVE

PURPOSE: A control valve for a variable displacement compressor is provided to stably control the flow rate by setting the opening degree of a pilot valve having a valve portion smaller than a main valve. CONSTITUTION: A control valve for a variable displacement compressor comprises a main valve(20), a pilot valve(21), and a solenoid(22). The main valve is inserted into a first refrigerant passage formed between a first port communicated with a discharge chamber of the compressor and a second port communicated with an outlet port of the compressor. The main valve is lifted in the opening valve direction by receiving flow of a refrigerant from the first port to the second port and set the first refrigerant to a constant cross-section passage having a predetermined passage cross-section, so that it is closed when the flow rate of the refrigerant is minute or zero. The pilot valve is inserted into a second refrigerant passage formed between the first port and a third port communicated with ...

Variable displacement compressor

A compressor comprises a drive shaft (16) supported in a housing, a piston (35) accommodated in a cylinder bore (12a) and connected to the drive plate (31), a valve plate (14) for separating the cylinder bore (12a) from the suction chamber (37) and the discharge chamber (38). A discharge passage (77) passes through the housing and the valve plate (14) to connect the discharge chamber (38) to the external circuit. Gas is sent from the discharge chamber (38) to the external circuit through the discharge passage (77). A check valve (76) is located on the valve plate (14) to selectively open and close the discharge passage (77). The check valve (76) checks gas flow from the external circuit to the discharge chamber (38). This prevents the pressure in the crank chamber (15) from increasing to an excessive degree.

Kapazitätssteuerungssystem für einen Kompressor mit variabler Kapazität und Anzeigevorrichtung für das System

Kapazitätssteuerungssystem für einen Kompressor mit variabler Kapazität, dessen Kapazität sich mit einer Veränderung eines Steuerungsdrucks ändert, wobei der Kompressor mit variabler Kapazität zusammen mit einem Wärmeradiator, einer Expansionsvorrichtung und einem Verdampfer in einem Zirkulationspfad zum Zirkulieren eines Kältemittels eingesetzt ist, um einen Kühlkreislauf eines Klimaanlagensystems zu bilden, wobei ein Druck des Kältemittels in irgendeinem Abschnitt in einem Ausstoßdruckbereich des Kühlkreislaufs als ein Ausstoßdruck verwendet wird, und ein Druck des Kältemittels in irgendeinem Abschnitt in einem Ansaugdruckbereich des Kühlkreislaufs als ein Ansaugdruck verwendet wird, und das Kapazitätssteuerungssystem aufweist: ein Kapazitätssteuerungsventil, das in der Lage ist, die Kapazität des Kompressors mit variabler Kapazität durch Verändern des Steuerungsdrucks einzustellen; ein Externe-Information-Erfassungsmittel zum Erfassen eines oder mehrerer Punkte von dem Kühlkreislauf zugeordneten externen Informationen; und ein Sollansaugdruckeinstellungsmittel zum Einstellen eines Sollansaugdrucks zum Steuern des Drucks in dem Ansaugdruckbereich als ein Steuerungsziel, basierend auf der durch das Externe-Information-Erfassungsmittel erfassten externen Information;...

An Injector for Use, Primarily for Waste Removal in Underground Mines

... 1,162,280. Ejectors. H. HOLTER. Aug. 16, 1967 [May 24, 1967], No.37572/67. Heading F1E. The subject-matter of this Specification is substantially as that described in Specification 1, 137, 462 but the claims are concerned with apertures 9, 10, 11 for the introduction of water into the air stream. The water droplets, which may be vapourized and recondensed in the diffuser, remove dust particles and the ejector may be used for more ventilation. One or more apertures, 9, 10, 11 may be omitted.

Control valve for variable displacement compressor

Compressor

A compressor including a discharge chamber into which a compressed refrigerant gas is discharged; a discharge channel connected to the discharge chamber; an oil separator for centrifugal separation of oil from the refrigerant gas; an oil stocking chamber for stocking of the oil separated from the refrigerant gas, the oil stocking chamber communicating through an oil channel with a separation chamber; and a filter interposed between the separation chamber and the oil channel. The oil stocking chamber communicates with a low-pressure region within the compressor where the pressure is lower thanthat of the discharge chamber, so that any separated oil is fed into the low-pressure region. The oil separator is disposed in the discharge channel so as to provide the separation chamber in the discharge channel. In the oil separator, the refrigerant gas introduced in the separation chamber is circled to thereby attain centrifugal separation of oil from the refrigerant gas. The filter extends along ...

Variable capacity type swash plate type compressor

VARIABLE DISPLACEMENT TYPE COMPRESSOR WITH DISPLACEMENT CONTROL MECHANISM

A variable displacement type compressor has a supply passage for supplying refrigerant gas to a pressure control chamber, a release passage for releasing the refrigerant gas from the pressure control chamber, a first control valve for controlling the amount of the refrigerant gas flowing through the supply passage, a check valve provided between the first control valve and the pressure control chamber and preventing the refrigerant gas from flowing from the pressure control chamber to the first control valve by closing the supply passage and a second control valve for adjusting a cross-sectional area of the release passage from minimum to maximum. The second control valve has a back pressure chamber communicating with the supply passage, a valve chamber forming a part of the release passage and communicating with a suction-pressure region, a valve hole forming a part of the release passage and communicating with the valve chamber and a spool having a valve portion located in the valve chamber ...

SCHIEFSCHEIBENVERDICHTER MIT VERÄNDERLICHER VERDRÄNGUNG

Safety device for an air-conditioning compressor

SAFETY DEVICE FOR COMPRESSOR OF AIR-CONDITIONING

Dispositif de sécurité pour limiter la pression d'un compresseur à course variable dans lequel on fait varier l'inclinaison du disque en nutation par la différence entre haute pression dans la zone sous pression de sortie (31) et pression de l'espace moteur, comportant, entre zone sous pression de sortie (31) et zone sous pression de l'espace moteur (33), une liaison avec un robinet à soupape de limitation de la pression (30) et comportant un autre robinet à soupape de limitation de la pression (36) qui évacue le fluide sous pression dans l'environnement (37) en cas de dépassement de la pression dans l'espace moteur (33), caractérisé par le fait que des dispositifs de sécurité pour la zone sous haute pression (31), pour la zone sous pression de l'espace moteur (33) et pour la zone sous pression d'aspiration (34) sont fonctionnellement couplés les uns aux autres. L'invention s'applique en particulier au compresseur d'une installation de climatisation d'un véhicule à moteur.

variable displacement type compressor with displacement control mechanism

Capacity control system for variable capacity compressor and display device for the system

A capacity control system for a variable capacity compressor includes target suction pressure setting means for setting, based on external information input from external information detection means, a target suction pressure for controlling the pressure in a suction pressure region as a control target, suction pressure estimation means for estimating, based on the external information, a pressure that is estimated to prevail in the suction pressure region if the variable capacity compressor is operated with a maximum discharge capacity, and discharge capacity determination means for determining, based on the suction pressure estimated by the suction pressure estimation means and the target suction pressure set by the target suction pressure setting means, whether the variable capacity compressor is operating with the maximum discharge capacity or with a controlled discharge capacity.

CONTROL DEVICE FOR VARIABLE CAPACITY COMPRESSOR

A control device for a variable-capacity compressor, the discharge capacity of which decreases as the pressure in a crankcase 24 rises and increases as the pressure in the crankcase 24 becomes lower, adopts a structure that includes a supply passage 40 that allows a discharge chamber 27 and the crankcase 24 to communicate with each other and a bleed passage 41 that allows the crankcase 24 and an intake chamber 26 to communicate with each other so as to adjust the pressure in the crankcase 24 via the supply passage 40 and the bleed passage 41. The structure further includes a differential pressure regulating valve 44 that allows the crankcase 24 and the intake chamber 26 to communicate with each other when the difference between the pressure in the discharge chamber 27 and the pressure in another area (the intake chamber 26 or the crankcase 24) becomes equal to or smaller than a predetermined value. The structure, which satisfies the need for power efficiency through higher efficiency achieved ...

Sicherheitseinrichtung für Klimakompressor

Kapazitätssteuerungssystem für einen Kompressor mit variabler Kapazität und Anzeigevorrichtung für das System

Kapazitätssteuerungssystem für einen Kompressor mit variabler Kapazität, dessen Kapazität sich mit einer Veränderung eines Steuerungsdrucks ändert, wobei der Kompressor mit variabler Kapazität zusammen mit einem Wärmeradiator, einer Expansionsvorrichtung und einem Verdampfer in einem Zirkulationspfad zum Zirkulieren eines Kältemittels eingesetzt ist, um einen Kühlkreislauf eines Klimaanlagensystems zu bilden, wobei ein Druck des Kältemittels in irgendeinem Abschnitt in einem Ausstoßdruckbereich des Kühlkreislaufs als ein Ausstoßdruck verwendet wird, und ein Druck des Kältemittels in irgendeinem Abschnitt in einem Ansaugdruckbereich des Kühlkreislaufs als ein Ansaugdruck verwendet wird, und das Kapazitätssteuerungssystem aufweist:ein Kapazitätssteuerungsventil, das in der Lage ist, die Kapazität des Kompressors mit variabler Kapazität durch Verändern des Steuerungsdrucks einzustellen;ein Externe-Information-Erfassungsmittel zum Erfassen eines oder mehrerer Punkte von dem Kühlkreislauf zugeordneten ...

Safety device for air conditioning compressor has safety units for high pressure, drive chamber pressure, and suction pressure zones all in functional connection with each other

Sicherheitseinrichtung für die Druckbegrenzung eines hubvariablen bzw. verdrängungsvariablen Kompressors, bei dem die Neigung der Taumelscheibe bzw. der Schrägscheibe zumindest durch die Differenz zwischen Hochdruck im Entladedruckbereich und Triebraumdruck variiert wird, gegebenenfalls durch die Differenz zwischen Triebraumdruck und Saugdruck, mit einer Zufuhrverbindung zwischen Entladedruckbereich und Triebraumdruck, mit einer Ventilvorrichtung, welche in der Zufuhrverbindung angeordnet ist, und gegebenenfalls einer zusätzlichen Verbindung vom Triebraumdruckbereich zum Saugraumdruckbereich, und mit einem Druckbegrenzungsventil, welches bei Überschreitung eines Hochdruckes im Hochdruckbereich Druckmedium in den Triebraum ablässt und mit einem weiteren Druckbegrenzungsventil oder mit einer Berstscheibe, die bei Drucküberschreitung im Triebraum Druckmedium vom Triebraum in die Umgebung ablässt.

Compressor

A compressor including a discharge chamber into which a compressed refrigerant gas is discharged; a discharge channel connected to the discharge chamber; an oil separator for centrifugal separation of oil from the refrigerant gas; an oil stocking chamber for stocking of the oil separated from the refrigerant gas, the oil stocking chamber communicating through an oil channel with a separation chamber; and a filter interposed between the separation chamber and the oil channel. The oil stocking chamber communicates with a low-pressure region within the compressor where the pressure is lower than that of the discharge chamber, so that any separated oil is fed into the low-pressure region. The oil separator is disposed in the discharge channel so as to provide the separation chamber in the discharge channel. In the oil separator, the refrigerant gas introduced in the separation chamber is circled to thereby attain centrifugal separation of oil from the refrigerant gas. The filter extends along ...

DEVICE OF CONTROL FOR COMPRESSOR OF THE TYPE CHANGEABLE DISPLACEMENT

Control valve for variable displacement compressor

A compact control valve for a variable displacement compressor comprises a first valve 11 having a check valve function opening and closing by the differential pressure (Pdh-Pdl), a second valve 12 that opens and closes by sensing the differential pressure (Pdh-Pc), and a solenoid 14 for setting the value of the differential pressure across the first valve 11. The motion of a valve element 20 of the first valve 11 is transmitted via a shaft (29) to a valve element 27 of the second valve 12. The second valve 12 controls the pressure Pc in the crankcase such that the differential pressure across the first valve 11 becomes equal to a fixed value set by the solenoid 14, whereby the flow rate discharged from a compressor outlet port can be controlled to be constant.

Axialkolbenverdichter

Verdichter, insbesondere Verdichter für die Klimaanlage eines Kraftfahrzeugs, mit einem Gehäuse (1) und einer in dem Gehäuse (1) angeordneten, über eine Antriebswelle angetriebenen Verdichtereinheit zum Ansaugen und Verdichten eines Kältemittels, wobei die Verdichtereinheit durch den in einer im wesentlichen durch das Gehäuse (1) begrenzten Triebwerkskammer vorherrschenden Druck (P¶C¶) geregelt ist, wobei eine zusätzliche Regeleinrichtung (17) für den sauggasseitigen Kältemittelmassenstrom bzw. den Saugdruck bzw. die Saugdichte vorgesehen ist. Compressor, in particular compressor for the air conditioning system of a motor vehicle, comprising a housing (1) and a drive unit driven in the housing (1) driven compressor unit for sucking and compressing a refrigerant, wherein the compressor unit through which in a substantially through the housing (1) limited engine chamber prevailing pressure (P¶C¶) is regulated, wherein an additional control device (17) for the suction gas-side refrigerant mass flow or the suction pressure or the suction density is provided.

Swashplate compressor

The compressor has at least one piston (7), and a cooling medium inlet passage (39) forming a connection from a suction connection (3a) to a suction chamber (13). A displacement control valve arrangement is located in the inlet passage, controlling the pressure differential between the pressure in the suction chamber and pressure in the chamber. The stroke of the piston and displacement of the compressor is thus influenced. The control valve has a valve component (31) pressurised in the opening direction by a spring (32).

Verstellbarer Taumelscheibenverdichter mit Verbindung zwischen Zylinderbohrungen bei maximal geneigter Taumelscheibe

Verstellbarer Taumelscheibenverdichter mit:einer Antriebswelle (3) mit einer Achse;einem Gehäuse (1), das die Antriebswelle (3) so unterstützt, dass die Antriebswelle (3) um die Achse drehbar ist, wobei das Gehäuse (1) darin eine Vielzahl von Zylinderbohrungen (19A, 19B, 19C, 19D, 19E) um die Achse und eine Kurbelkammer (25) aufweist;einer Taumelscheibe (5), die mit einer Drehung der Antriebswelle (3) in der Kurbelkammer (25) drehbar ist;einem Neigungswinkelverstellmechanismus (7), der einen Neigungswinkel der Taumelscheibe (5) in Bezug auf eine Ebene verändert, die sich senkrecht zu der Achse der Antriebswelle (3) erstreckt;einer Vielzahl von Kolben (9), die in jeweiligen Zylinderbohrungen (19A, 19B, 19C, 19D, 19E) wechselseitig bewegbar in Übereinstimmung mit einer Drehung der Taumelscheibe (5) bewegbar sind und die eine Vielzahl von Verdichtungskammern (67) in den jeweiligen Zylinderbohrungen (19A, 19B, 19C, 19D, 19E) ausbilden, wobei, wenn jeder Kolben (9) in der entsprechenden Zylinderbohrung (19A, 19B, 19C, 19D, 19E) bewegt wird, eine Reexpansionsphase, eine Saugphase, eine Verdichtungsphase und eine Entladephase in der korrespondierenden Verdichtungskammer (67) erzeugbar ist;einem Steuermechanismus (11), der den Neigungswinkelverstellmechanismus (7) steuert; undeinem Sammel- und Zuführmechanismus (13), der Kühlmittelgas in einer der Verdichtungskammern (67) sammelt und das gesammelte Kühlmittelgas einer anderen der Verdichtungskammern (67) zuführt, wobei sich die eine Verdichtungskammer (67) in einer Phase von einem Ende der Entladephase bis zu einem Ende der Reexpansionsphase befindet und als eine Sammelphasenverdichtungskammer (67A) definiert ist, sich die andere Verdichtungskammer (67) in einer Phase der Verdichtungsphase befindet und als eine Zuführphasenverdichtungskammer (67B) definiert ist, eine der Zylinderbohrungen (19A, 19B, 19C, 19D, 19E) darin die Sammelphasenverdichtungskammer (67A) aufweist und als eine Sammelphasenzylinderbohrung (190) ...

Variable displacement type compressor with suction control valve

Safety device for an air-conditioning compressor

COMPRESSOR HAS DISPLACEMENT VARIABLE COMPRISING TWO VALVES OF CONTROL DEPRESSION TO CONTROL ITS DISPLACEMENT

Clutchless variable capacity swash plate compressor

There is provided a clutchless variable capacity swash plate compressor. A valve element is arranged at an intermediate portion of a refrigerant inlet passage, for increasing and decreasing an opening area of the intermediate portion. An urging member urges the valve element in a direction of a large valve opening position in which the opening area is large. An accumulator accumulates the high-pressure refrigerant gas therein to build up pressure for urging the valve element in a direction of a small valve opening position in which the opening area is small. When suction pressure of the suction refrigerant gas is high, a pilot valve closes to inhibit the supply of a high-pressure refrigerant to the accumulator to thereby bring the valve element to the large valve opening position, whereas when the suction pressure is low, the pilot valve opens to permit the supply of the high-pressure gas to the accumulator to bring the valve element to the small valve opening position. A selector valve ...

VARIABLE DISPLACEMENT TYPE SWASH PLATE CLUTCH-LESS COMPRESSOR

In a clutchless variable capacity swash plate compressor including a shaft 5 rotatably supported within a housing, a swash plate 10 tiltably mounted on the shaft 5, for rotation in unison therewith, and a discharge passage D via which refrigerant gas delivered from compression chambers 6a to a discharge chamber 12 is sent out of the compressor, a discharge check valve 130 having a valve-closing pressure lower than a valve-opening pressure is provided in the discharge passage D.

Safety device for air conditioning compressor consists of pressure limitation valve unit to increase pressure medium flow from discharge pressure zone into driving chamber

The compressor has a swash plate/wobble plate, with tilt varied by the pressure differential between the discharge pressure zone (11) and the driving chamber (16). A supply connection between the two has a valve unit and a bypass throttle. When a set max. relief pressure is exceeded, the valve unit opens the connection between discharge pressure zone and driving chamber, and increases its size if required. This increases pressure medium flow from discharge pressure zone to driving chamber, and reduces the stroke of the swash plate/wobble plate.

Verdichter variabler Verdrängung mit Einlassregelventil

COMPRESSOR

A compressor including a discharge chamber into which a compressed refrigerant gas is discharged; a discharge channel connected to the discharge chamber; an oil separator for centrifugal separation of oil from the refrigerant gas; an oil stocking chamber for stocking of the oil separated from the refrigerant gas, the oil stocking chamber communicating through an oil channel with a separation chamber; and a filter interposed between the separation chamber and the oil channel. The oil stocking chamber communicates with a low-pressure region within the compressor where the pressure is lower than that of the discharge chamber, so that any separated oil is fed into the low-pressure region. The oil separator is disposed in the discharge channel so as to provide the separation chamber in the discharge channel. In the oil separator, the refrigerant gas introduced in the separation chamber is circled to thereby attain centrifugal separation of oil from the refrigerant gas. The filter extends along ...

Apparatus and method for operating fluid displacement apparatus with variable displacement mechanism

A variable fluid displacement apparatus includes a plate which is located in a crank chamber and is tiltably connected to a drive shaft so as to vary the variable slant angle responsive to a pressure differential between the crank chamber and a suction chamber. A first communication path communicates the crank chamber with a discharge chamber to control pressure within the crank chamber. A first valve device opens and closes a first opening area in the first communication path to adjust the pressure level. A second valve device closes a second communication path, which communicates the crank chamber with the suction chamber. A second opening area in the second communication path is closed when a pressure difference between the crank chamber and the suction chamber falls below a predetermined value. Thus, a variable displacement compressor obtains a desired compression capacity after the variable displacement compressor commences operation.

Apparatus and method for operating of fluid displacement apparatus with variable displacement mechanism

Variable displacement type compressor with suction control valve

A variable displacement type compressor (10) has a tiltable swash plate (25) and pistons (31) in cylinder bores (11a). The displacement of the compressor is controlled by changing an inclination angle of the swash plate. A first valve is arranged to open and close the suction passage in response to the pressure in the discharge chamber (34). The valve element of the first valve (49) is arranged to face the end of the suction passage (36), and can hermetically close the suction passage when the refrigerant gas is introduced into the pressure chamber (53) from the discharge chamber. The refrigerant gas can be also introduced into the crank chamber (15) when the refrigerant gas is introduced from the discharge chamber into the pressure chamber.

Kontrollverfahren für einen verstellbaren Taumelscheibenkompressor

Capacity control valve device for variable capacity swash plate compressors

A capacity control valve device for a variable capacity swash plate compressor which includes at least one piston, a suction port, a suction chamber, and a refrigerant inlet passage communicating the suction port with the suction chamber, in which each piston has its stroke changed to control delivery quantity of the compressor. The control valve device is arranged at an intermediate portion of the refrigerant inlet passage, for controlling differential pressure between the suction port and the suction chamber. The control valve device includes a valve element, a first urging member for urging the valve element in a valve-opening direction, an accumulator for accumulating high-pressure refrigerant gas having higher pressure than pressure within the suction chamber to build up pressure therein for urging the valve element in a valve-closing direction, a high-pressure passage for introducing the high-pressure refrigerant gas into the accumulator, and a pilot valve arranged at an intermediate ...

Variable displacement compressor with a discharge pressure compensated suction shutoff valve

VARIABLE DISPLACEMENT COMPRESSOR

PROBLEM TO BE SOLVED: To provide a variable displacement compressor capable of checking excessive pressure rise in a crank chamber. SOLUTION: A displacement control valve 46 as a solenoid valve regulates an opening of an intake path 44 to change pressure of a crank room 15 according to an escape rate of refrigerant gas via a bleeding path 45 and to control a discharging rate. A check valve 76 is arranged in a discharge path 76. When pressure of a discharge chamber 38 becomes lower than that of a muffler chamber 72, the discharge valve 76 blocks a port 75 to check back flow of refrigerant gas from the muffler chamber 72 to the discharge chamber 38 in the discharge path 73. COPYRIGHT: (C)2000,JPO ...

Differential pressure valve

To provide a differential pressure valve which is capable of suppressing generation of noise when a variable displacement compressor is being operated at its minimum displacement. A hollow cylindrical protruding portion of a valve element, which is disposed in a manner surrounding a hollow cylindrical valve seat, is configured to have two windows formed at circumferentially one-sided locations as openings of a sleeve valve. As a result, the difference is generated between areas of regions of an inner peripheral surface of the hollow cylindrical protruding portion circumferentially separated by the windows, to thereby make transverse load unbalanced, so that the valve element performs opening and closing operations always in a state in which the hollow cylindrical protruding portion is transversely pressed against the hollow cylindrical valve seat. This makes it possible to suppress generation of noise due to striking of the valve seat by the valve element when it moves transversely unsteadily ...

CONTROL VALVE FOR VARIABLE DISPLACEMENT COMPRESSOR

A control valve of a variable displacement compressor capable of preventing a decrease in control accuracy is provided. In a control valve 300, a valve chamber 321b accommodating a valve body 322 constitutes a part of a pressure supply passage for supplying refrigerant in a discharge chamber to a crank chamber, or constitutes a part of a pressure relief passage through which refrigerant in the crank chamber flows toward a suction chamber, depending on whether the valve hole 321c is open or closed by a valve portion 322a of the valve body 322. A partition portion 322b having a larger diameter than that of the valve portion 322a of the valve body 322, partitions the valve chamber 321b into a first pressure application chamber 321b1 on which the pressure in the suction chamber mainly acts, and a second pressure application chamber 321b2 on which the pressure in the crank chamber mainly acts and into which refrigerant in the discharge chamber flows when the valve hole 321c is open. A clearance ...

CAPACITY CONTROL VALVE

A capacity control valve (1) for controlling a flow rate or pressure of a variable capacity compressor according to a valve opening degree of a valve section includes: a valve main body (10) having a first valve chamber (14), a second valve chamber (15) and a third valve chamber (16); a valve body (20) having an intermediate communication passage (26) for allowing communication between the first valve chamber and the third valve chamber, a first valve part (21a) arranged in the first valve chamber, a second valve part (21b) for opening and closing communication between the third valve chamber and the second valve chamber, and a third communication hole for allowing communication between the third valve chamber and the intermediate communication passage; a solenoid (30) having a first plunger connected to the valve body; and a second plunger (37) arranged between the solenoid and the valve body.

COMPRESSOR

Control valve for variable displacement compressor

Method of producing swash plate type compressor piston

A swashplate variable-displacement compressor includes a pressure regulator (30) which comprises a flow control valve (31) including a first spring-loaded, normally-closed spool valve (33) and a pressure chamber (35) accumulating the working pressure used to force the spool valve toward its fully-opened position, and a flow control valve actuating mechanism (32) including a communication passage (40) through which the refrigerant discharge chamber is communicated with the pressure chamber, a second spring-loaded, normally-closed ball pilot valve (41) provided in the communication passage, and an electromagnetic solenoid (42) controlling the opening of the pilot valve (41) so that the opening increases with an increase in exciting current supplied to the solenoid. The pilot valve (41) servces to introduce high-pressure refrigerant gas in the refrigerant discharge chamber (8) into the pressure chamber (35) as the working pressure with the opening controlled by the solenoid.

VARIABLE DISPLACEMENT SWASH PLATE TYPE CLUTCHLESS COMPRESSOR

When thermal load becomes low, a passage 58 is opened by a control valve 81, whereby the pressure within a crankcase 8 is increased to reduce the inclination angle of a swash plate 10. When the inclination angle of the swash plate 10 becomes minimum, the cross-sectional area of a second passage 57 is reduced by the swash plate 10, whereby the pressure within the crankcase 8 is prevented from being decreased. On the other hand, when the pressure within the crankcase 8 is increased, a refrigerant outlet passage 39a is closed by a check valve 31 serving as a discharge control valve. In view of the fact that the differential pressure between the crankcase 8 and a discharge chamber 12 is smaller and more stable than that between a suction chamber 13 and the discharge chamber 12, the compressor is constructed such that the pressure from the crankcase 8 is caused to act on one side of the check valve 31 serving as a discharge control valve, while the pressure from the discharge chamber 12 is caused ...

SCHIEFSCHEIBENVERDICHTER MIT VERÄNDERLICHER VERDRÄNGUNG

VALVE DEVICE FOR VEHICLE AIR CONDITIONER

　吐出室(18)に連通する第１の通路(22)内に設けられ、冷媒の吐出圧力の上昇を感知して作動する感圧弁(48)と、吸入室(16)に連通する第２の通路(20)内に設けられ、第１の通路内の圧力が大きくなったときに、感圧弁の作動に機械的に連動して第２の通路を絞る位置まで移動する遮断弁(40)とを備える。

VARIABLE DISPLACEMENT TYPE COMPRESSOR WITH DISPLACEMENT CONTROL MECHANISM

PROBLEM TO BE SOLVED: To provide a displacement control mechanism suitable for improving operation efficiency, by shortening the time required until delivery capacity becomes large just after starting a variable displacement type compressor. SOLUTION: A first control valve 33, a second control valve 34 and a check valve 35 are installed in a rear housing 13. The first control valve 33 and the check valve 35 are interposed on a supply passage 64. A valve element 46 of the second control valve 34 partitions a back pressure chamber 451 and a flowing chamber 452 in a valve housing 45. A suction chamber 131 and a control pressure chamber 121 are communicated by a first discharge passage 58. When the first control valve 33 is in an opening state, pressure of a delivery chamber 132 influences the back pressure chamber 451, and the valve element 46 of the second control valve 34 closes an orifice passage 53, and a second discharge passage 55 is closed. When the first control valve 33 is in a closed ...

Taumelscheibenkompressor mit variabler Verdrängung

COMPRESSOR

CAPACITY CONTROL MECHANISM FOR VARIABLE DISPLACEMENT COMPRESSOR

PURPOSE: To provide a capacity control mechanism for variable displacement compressor capable of excellently maintaining the cooling feeling of an air conditioner and giving the excellent startability to the air conditioner. CONSTITUTION: A bleed passage 27 connects a crank chamber 5 and a suction chamber 21 of a variable displacement compressor to each other. A charging passage 28 connects the crank chamber 5 and a discharge chamber 22 to each other. A first control valve CV1 mechanically detects a pressure difference between two pressure monitor points set in a refrigerant circulating circuit, and adjusts the open degree of the charging passage 28 on the basis of the detected pressure difference. A pressure detecting region K is set in the charging passage 28 in the downstream of a valve open degree adjusting position of the first control valve CV1. A second control valve CV2 mechanically detects the refrigerant pressure Pd' of the pressure detecting region K, and when the detected pressure ...

Variable displacement type compressor with displacement control mechanism

A variable displacement type compressor has a supply passage for supplying refrigerant gas to a pressure control chamber, a release passage for releasing the refrigerant gas from the pressure control chamber, a first control valve for controlling the amount of the refrigerant gas flowing through the supply passage, a check valve provided between the first control valve and the pressure control chamber and preventing the refrigerant gas from flowing from the pressure control chamber to the first control valve by closing the supply passage and a second control valve for adjusting a cross-sectional area of the release passage from minimum to maximum. The second control valve has a back pressure chamber communicating with the supply passage, a valve chamber forming a part of the release passage and communicating with a suction-pressure region, a valve hole forming a part of the release passage and communicating with the valve chamber and a spool having a valve portion located in the valve chamber ...

Control valve for variable displacement compressor

A control valve for a variable displacement compressor includes a main valve 20 for the passage cross-sectional area of passage substantially constant when refrigerant flows between a discharge chamber and an outlet port of the compressor, and for closing the passage due to an inversion of the magnitudes of pressure across the cross-sectional area-fixed passage when the compressor does not operate, a pilot valve 21 controlling the flow rate between the discharge chamber and the crankcase in a manner interlocked with the differential pressure across the cross-sectional area-fixed passage received by the main valve 20, and a solenoid 22 for setting the valve lift of the pilot valve 21. The pilot valve 21 controls the flow rate to the crankcase so as to make the differential pressure across the cross-sectional area-fixed passage constant, and to maintain the flow rate to the compressor outlet port constant.

Variable displacement type compressor with displacement control mechanism

A variable displacement type compressor in which a discharge-pressure region, a suction-pressure region and a pressure control chamber are defined, has a tiltable swash plate and a piston reciprocated by the swash plate in the pressure control chamber. The inclination angle of the swash plate and the piston stroke are changed by adjustment of pressure in the pressure control chamber thereby to control the displacement of the compressor. The compressor further comprises a supply passage for supplying refrigerant gas from the discharge-pressure region to the pressure control chamber, a release passage for releasing the refrigerant gas from the pressure control chamber to the suction-pressure region, a first control valve for adjusting a cross-sectional area of the supply passage from the discharge-pressure region to the pressure control chamber and a second control valve for adjusting cross-sectional area of the release passage. The second control valve includes a valve body for opening and ...

STEUERVORRICHTUNG FÜR VERDICHTER MIT VARIABLER LEISTUNG

Variable displacement compressor with an oil check valve

A variable displacement compressor includes a control valve and a check valve. The control valve is in fluidic communication with a discharge chamber of the compressor and a crankcase of the compressor. The check valve is interposed between the control valve and the discharge chamber. The check valve is configured to allow flow from the discharge chamber to the control valve and to prevent flow from the control valve to the discharge chamber. The check valve includes a ball and a spring. The spring is configured to urge the ball toward a closed position. The spring is characterized by a rate of the spring and a free-length of the spring, and the rate and the free-length are selected to minimize de-stroke noise caused by a rapid change of the compressor operation to a low displacement state.

Variable displacement type compressor with displacement control mechanism

VARIABLE CAPACITY SWASH PLATE TYPE COMPRESSOR

PROBLEM TO BE SOLVED: To provide a variable capacity swash plate type compressor capable of reducing the number of components in a discharge muffler chamber and the number of work processes, reducing the pulsating pressure (pulsating noise) of discharged refrigerant, setting a check valve without increasing the size of the compressor, preventing superposing of a pulsation pressure waveform, and preventing coming-out of the check valve. SOLUTION: This variable capacity swash plate type compressor comprises: a cylinder block; a front housing; a driving shaft; a plurality of pistons performing a reciprocating motion inside the cylinder bore; a rear housing coupled to the rear of the cylinder block and having a suction chamber and a discharge chamber formed therein in such a manner as to be partitioned from each other by a partitioning wall, the discharge chamber having the discharge muffler chamber partitioned and formed by a division wall to reduce a pulsating pressure of the discharged refrigerant ...

Klimaanlagen

Compressor

A compressor including an oil separator for separating of oil from a refrigerant gas introduced in a separation chamber; an annular space for pooling of the oil separated from the refrigerant gas; and an oil storing chamber for storing of the separated oil. The oil separator is disposed in a cylindrical hole provided in an emission chamber into which the refrigerant gas is emitted. The cylindrical hole is fitted with a lid for partitioning of the cylindrical hole from the emission chamber. The oil separator transfers the refrigerant gas from the emission chamber through an introduction passageway into the separation chamber. The annular space is disposed around the lid and, through an oil passageway, communicates with the oil storing chamber. The oil storing chamber communicates with a crank chamber exhibiting a pressure lower than that of the emission chamber.

thrust bearing

Displacement control mechanism for variable displacement type compressor

A displacement control mechanism used for compressor is installed in a refrigerant circuit. The compressor has a bleed passage and a supply passage. The displacement control mechanism includes a first control valve and a second control valve. The first control valve includes a first valve body and a pressure sensitive member. The first valve body adjusts the opening size of the supply passage. The pressure sensitive member moves in accordance with a pressure in the refrigerant circuit. A pressure detection region is located downstream of the first valve body. The second control valve includes a second valve body. The second valve body adjusts the opening size of the bleed passage. The second valve body moves in accordance with the pressure of the pressure detection region. When the pressure of the pressure detection region increases, the second control valve decreases the opening size of the bleed passage. This permits to start with rapid cooling performance.

Compressor

A compressor having a discharge chamber into which compressed refrigerant gas is discharged, a discharge passage connected to the discharge chamber, an oil separation device that centrifugally separate oil from the refrigerant gas, an oil reservoir chamber that communicates with a separation chamber through an oil passage and retains the oil separated from the refrigerant gas, and a filter provided between the separation chamber and the oil passage is disclosed. The oil reservoir chamber communicates with a low pressure zone in the compressor the pressure of which is lower than the pressure in the discharge chamber. The oil reservoir chamber thus supplies the separated oil to the low pressure zone. The oil separation device is arranged in the discharge passage in such a manner as to define the separation chamber. The oil separation device centrifugally separate the oil from the refrigerant gas by causing swirling of the refrigerant gas that has been sent to the separation chamber. The filter ...

Taumelscheibenverdichter

Variable displacement type compressor with displacement control mechanism

Compressor with variable displacement has suction chamber, output chamber, crank chamber and displacement control mechanism for adjustment of pressure of crank chamber to control displacement of compressor

The compressor has variable displacement (50) and incorporates a suction chamber (65), an output chamber (64), a crank chamber (55) and a displacement control mechanism for adjustment of the pressure of the crank chamber for control of the displacement of the compressor The displacement control mechanism incorporates a control pressure chamber (32), a first through passage (86) connected with the control pressure chamber and the output chamber, a first control pressure valve (10) connected with the first through passage to regulate an opening extent of the first through passage, a second through passage (36) connected to the crank chamber and the output chamber, and a second pressure control valve (30) connected with the second through passage to regulate an opening extent of the second through passage as a reaction to the pressure in the control pressure chamber.

Kompressor mit variabler Fördermenge

Ein Kompressor mit variabler Fördermenge umfasst einen Kompressionsmechanismus (12), einen Leistungsvermögenssteuerungsmechanismus (40), der ein Ausstoßleistungsvermögen eines aus dem Kompressionsmechanismus ausgestoßenen Kältemittels steuert, eine Kupplung (MGC) sowie ein Steuerungsgerät (100), das einen Betriebsmodus des Kompressionsmechanismus durch ein Steuern des Leistungsvermögenssteuerungsmechanismus und der Kupplung umschaltet. Der Kompressionsmechanismus ist mit einem Leistungsvermögensbegrenzungsabschnitt versehen, der ein unteres Grenzleistungsvermögen des Ausstoßleistungsvermögens auf ein Zwischenleistungsvermögen begrenzt, das größer ist als das minimale Leistungsvermögen und kleiner als das maximale Leistungsvermögen. Das Steuerungsgerät ist imstande, den Betriebsmodus zwischen einem variablen Betriebsmodus und einem unterbrochenen Betriebsmodus umzuschalten. Der variable Betriebsmodus ist ein Betriebsmodus eines Änderns des Ausstoßleistungsvermögens in einem Bereich von dem unteren Grenzleistungsvermögen zu dem maximalen Leistungsvermögen durch den Leistungsvermögenssteuerungsmechanismus. Der unterbrochene Betriebsmodus ist ein Betriebsmodus eines Umschaltens des Verbindungszustands zwischen einem gekoppelten Zustand und einem Trennzustand durch die Kupplung mit Unterbrechungen, während das Ausstoßleistungsvermögen durch den Leistungsvermögenssteuerungsmechanismus gesteuert wird, um das untere Grenzleistungsvermögen zu sein.

CONTROL VALVE OF A VARIABLE DISPLACEMENT COMPRESSOR FOR STABLY REGULATING FLOW RATE OF FLUID WITH SIMPLE STRUCTURE

PURPOSE: A control valve of a variable displacement compressor is provided to regulate flow of fluid stably by forming a main valve and a solenoid valve with simple structure, and to cut down cost by lifting the main valve according to flow of refrigerant without additional check valves in an outlet port. CONSTITUTION: A control valve of a variable displacement compressor regulates flow rate of refrigerant discharged from the variable displacement compressor, and comprises a main valve(20) setting a first valve lift according to flow of refrigerant discharged from a discharge chamber of the variable displacement compressor, and a solenoid valve(21) setting a second valve lift according to external signals and regulating flow of refrigerant flowing from the discharge chamber to a crank chamber according to relative change amount of the first valve lift to the second valve lift. A piston is extended axially in a penetration hole, and a valve member(28) of the main valve is axially moved back ...

SWASH PLATE TYPE VARIABLE DISPLACEMENT COMPRESSOR

A swash plate type variable displacement compressor includes a collection and supply mechanism. The collection and supply mechanism has collection passages, supply passages, an annular space, an inlet port, and an outlet port. The inlet port is communicable with a working collection passage of the collection passages. The outlet port is communicable with a working supply passage of the supply passages. When the inclination angle of the swash plate is maximum, residual refrigerant gas in a compression chamber of collection phase is collected through the working collection passage and the collected refrigerant gas is supplied to a compression chamber of supply phase. On the other hand, when the inclination angle is less than the maximum, residual refrigerant gas is supplied no more into the supply-phase compression chamber. 1. A swash plate type variable displacement compressor comprising:a drive shaft having an axis;a housing supporting the drive shaft so that the drive shaft is rotatable about the axis, the housing having therein a plurality of cylinder bores around the axis and a crank chamber;a swash plate which is rotatable with rotation of the drive shaft in the crank chamber;an inclination angle change mechanism which changes an inclination angle of the swash plate with respect to a plane extending perpendicularly to the axis of the drive shaft;a plurality of pistons reciprocally movably received in respective cylinder bores in accordance with the rotation of the swash plate and forming plurality of compression chambers in the respective cylinder bores, wherein when each piston is moved in the corresponding cylinder bore, re-expansion phase, suction phase, compression phase and discharge phase are caused in the corresponding compression chamber;a control mechanism controlling the inclination angle change mechanism; anda collection and supply mechanism which collects refrigerant gas in one of the compression chambers and supplies the collected refrigerant gas to ...

SWASH PLATE TYPE VARIABLE DISPLACEMENT COMPRESSOR

In a swash plate type variable displacement compressor, a lug plate includes a cylinder chamber and first and second guide surfaces. Inner peripheral edges of the first and second guide surfaces are defined respectively at parts where the peripheral edge of the cylinder chamber and the guide surfaces overlap with each other. When the inclination angle of a swash plate of the compressor is maximum, first and second guided surfaces and the first and second guide surfaces, respectively are brought into line contact with each other at a first position. At this time, first and second slide contact widths are maximum. When the inclination angle of the swash plate is minimum, the first and second guided surfaces and the first and second guide surfaces, respectively are brought into line contact with each other at a second position. At this time, the first and second slide contact widths are minimum. 1. A swash plate type variable displacement compressor comprising:a housing having therein a suction chamber, a discharge chamber, a swash plate chamber and a plurality of cylinder bores;a drive shaft rotatably supported in the housing and having an axis of rotation;a swash plate that is rotatable in the swash plate chamber with the rotation of the drive shaft;a link mechanism that is disposed between the drive shaft and the swash plate and allows a change in inclination angle of the swash plate with respect to a plane extending perpendicularly to the axis of rotation of the drive shaft;a plurality of pistons that is reciprocally received in the respective cylinder bores;a conversion mechanism that converts the rotation of the drive shaft into reciprocal movement of the pistons in the respective cylinder bores with a stroke length according to the inclination angle of the swash plate;an actuator that changes the inclination angle of the swash plate; anda control mechanism that controls the actuator, whereinthe link mechanism includes a lug member that is fixed on the drive ...

Variable displacement compressor with an oil check vlave

A variable displacement compressor includes a control valve and a check valve. The control valve is in fluidic communication with a discharge chamber of the compressor and a crankcase of the compressor. The check valve is interposed between the control valve and the discharge chamber. The check valve is configured to allow flow from the discharge chamber to the control valve and to prevent flow from the control valve to the discharge chamber. The check valve includes a ball and a spring. The spring is configured to urge the ball toward a closed position. The spring is characterized by a rate of the spring and a free-length of the spring, and the rate and the free-length are selected to minimize de-stroke noise caused by a rapid change of the compressor operation to a low displacement state.

容量制御弁及び容量制御弁の制御方法

capacity control valve

(과제)밸브부의 개변도(開弁度)에 따라 용량 가변형 압축기의 유량 또는 압력을 제어하는 용량 제어 밸브에 있어서, 용량 가변형 압축기의 운전 효율을 향상시킬 수 있는 용량 제어 밸브를 제공하는 것을 목적으로 하고 있다. (해결 수단)밸브부의 개변도에 따라 가변 용량 압축기의 유량 또는 압력을 제어하는 용량 제어 밸브(1)에 있어서, 제1 밸브실(14), 제2 밸브실(15) 및 제3 밸브실(16)을 갖는 밸브 본체(10)와, 제1 밸브실(14)과 제3 밸브실(16)을 연통하는 중간 연통로(26), 제1 밸브실(14)에 배열 형성되는 제1 밸브부(21a), 제3 밸브실(16)과 제2 밸브실(15)과의 연통을 개폐하는 제2 밸브부(21b), 및, 상기 제3 밸브실과 상기 중간 연통로를 연통하는 제3 연통공을 갖는 밸브체(20)와, 밸브체(20)와 접속되는 제1 플런저를 갖는 솔레노이드(30)와, 솔레노이드(30)와 밸브체(20)와의 사이에 배열 설치되는 제2 플런저(37)를 구비한다. (Project) To provide a capacity control valve capable of improving the operating efficiency of a variable capacity compressor in a capacity control valve for controlling the flow rate or pressure of a variable capacity compressor according to the degree of change of the valve part are doing (Solution Means) In the capacity control valve (1) for controlling the flow rate or pressure of the variable capacity compressor according to the degree of opening of the valve unit, a first valve chamber (14), a second valve chamber (15) and a third valve chamber ( A valve body (10) having a valve body (16), an intermediate communication path (26) for communicating the first valve chamber (14) and the third valve chamber (16), and a first valve arranged in a first valve chamber (14) A portion 21a, a second valve portion 21b that opens and closes communication between the third valve chamber 16 and the second valve chamber 15, and a third portion that communicates the third valve chamber and the intermediate communication path A valve body 20 having a communication hole, a solenoid 30 having a first plunger connected to the valve body 20, and a second plunger arranged between the solenoid 30 and the valve body 20 ( 37) is provided.

Capacity control system of capacity variable type compressor

본 발명은 제 2 제어 밸브가 작동하는 타이밍을 적절하게 하고, 제 2 제어 밸브의 작동 타이밍의 어긋남에 수반되는 문제를 해소하여 가변 용량형 압축기의 운전 효율의 저하를 방지할 수 있는 가변 용량형 압축기에 있어서의 용량 제어 기구를 제공한다. According to the present invention, a variable displacement compressor capable of appropriately timing the operation of the second control valve and eliminating the problem associated with the deviation of the operation timing of the second control valve can be prevented from lowering the operating efficiency of the variable displacement compressor. Provided is a capacity control mechanism. 가변 용량형 압축기의 용량 제어 기구는 급기 통로(29)의 통로 단면적을 조절하는 제 1 제어 밸브를 구비한다. 또한, 용량 제어 기구는 제 2 제어 밸브(CV2)를 구비하고, 이 제 2 제어 밸브(CV2)는 배압실(80), 밸브실(71), 밸브 구멍(27a) 및 밸브실(71)에 배치된 제 1 밸브부(79)와 배압실(80)에 배치된 배면(81)을 갖고, 배면(81)에 작용하는 배압실(80)의 압력이 높아지면 제 1 밸브부(79)에 의해서 밸브 구멍(27a)의 개방도를 작게 하는 스풀(75)을 구비한다. 역지 밸브(90)는 제 1 제어 밸브와 크랭크실(5) 사이의 급기 통로(29)에 설치되고, 급기 통로(29)를 폐쇄하여 크랭크실(5)로부터 제 1 제어 밸브를 향한 냉매의 흐름을 저지한다. The capacity control mechanism of the variable displacement compressor has a first control valve for adjusting the passage cross-sectional area of the air supply passage 29. Moreover, the capacity | capacitance control mechanism is equipped with the 2nd control valve CV2, and this 2nd control valve CV2 is provided in the back pressure chamber 80, the valve chamber 71, the valve hole 27a, and the valve chamber 71. As shown in FIG. It has the 1st valve part 79 arrange | positioned and the back surface 81 arrange | positioned at the back pressure chamber 80, When the pressure of the back pressure chamber 80 which acts on the back surface 81 becomes high, Thereby, the spool 75 which reduces the opening degree of the valve hole 27a is provided. The check valve 90 is installed in the air supply passage 29 between the first control valve and the crank chamber 5, and closes the air supply passage 29 to flow the refrigerant from the crank chamber 5 toward the first control valve. To stop. 제어 밸브, 작동 타이밍, 가변 용량형 압축기, 용량 제어 기구, 역지 밸브 Control Valves, Operation Timing, ...

Capacity control valve

【課題】バルブ部の開弁度に応じて容量可変型圧縮機の流量又は圧力を制御する容量制御弁において、容量可変型圧縮機の運転効率の向上できる容量制御弁を提供することを目的としている。【解決手段】バルブ部の開弁度に応じて可変容量圧縮機の流量又は圧力を制御する容量制御弁（１）において、第１弁室（１４）、第２弁室（１５）及び第３弁室（１６）を有するバルブ本体（１０）と、第１弁室（１４）と第３弁室（１６）とを連通する中間連通路（２６）、第１弁室（１４）に配設される第１弁部（２１ａ）、第３弁室（１６）と第２弁室（１５）との連通を開閉する第２弁部（２１ｂ）、及び、前記第３弁室と前記中間連通路を連通する第３連通孔を有する弁体（２０）と、弁体（２０）と接続される第１プランジャを有するソレノイド（３０）と、ソレノイド（３０）と弁体（２０）との間に配設される第２プランジャ（３７）を備える。【選択図】図１ PROBLEM TO BE SOLVED: To provide a capacity control valve for controlling the flow rate or pressure of a variable capacity compressor according to the degree of valve opening of a valve section, which can improve the operating efficiency of the variable capacity compressor. There is. In a displacement control valve (1) for controlling a flow rate or a pressure of a variable displacement compressor according to a degree of opening of a valve portion, a first valve chamber (14), a second valve chamber (15) and a third valve chamber (15). A valve body (10) having a valve chamber (16), an intermediate communication passage (26) for communicating the first valve chamber (14) and the third valve chamber (16), and the first valve chamber (14). A first valve portion (21a), a second valve portion (21b) for opening and closing communication between the third valve chamber (16) and the second valve chamber (15), and the third valve chamber and the intermediate communication. Between a valve body (20) having a third communication hole communicating with the passage, a solenoid (30) having a first plunger connected to the valve body (20), and between the solenoid (30) and the valve body (20). A second plunger (37) disposed in the. [Selection diagram] Figure 1

Capacity variable swash plate type compressor

Wobble plate type compressor with variable displacement mechanism

내용 없음. No content.

Control valve for variable displacement compressor

본 발명의 과제는 구성이 간단하고 제어성이 좋은 유량 제어식 가변 용량 압축기용 제어 밸브를 제공하는 것이다. 토출실로부터 토출된 토출 압력(Pd1)의 냉매를 도입하는 포트(23)와 유량이 제어된 토출 압력(Pd2)의 냉매를 유출시키는 포트(24)와의 사이에 통과하는 냉매의 유량에 따라서 밸브 리프트가 변화하는 메인 밸브(20)와, 그 메인 밸브(20)의 밸브 부재(28)를 가변 밸브 시트로 하고, 그 가변 밸브 시트와 통 형상 밸브 부재(32) 사이에 형성되는 간극의 크기에 따라서 유량 제어되는 압력(Pc)의 냉매를 포트(25)를 거쳐서 크랭크실에 공급하는 솔레노이드 밸브(21)를 구비하고 있다. 메인 밸브(20)가 유량 감지와 솔레노이드 밸브(21)의 밸브 시트를 겸용하고 있고, 솔레노이드 밸브(21)가 크랭크실에 공급하는 작은 유량의 냉매를 제어하는 구성이므로, 구조가 간단하고 안정된 유량 제어가 가능하다. 제어 밸브, 메인 밸브, 솔레노이드 밸브, 크랭크실, 포트, 플런저

capacity control system of capacity variable type compressor

공조장치의 냉방필링을 양호하게 유지하면서, 동 공조장치의 기동성을 양호하게 할 수 있는 용량가변형 압축기의 용량제어기구를 제공하는 것을 과제로한다. An object of the present invention is to provide a capacity control mechanism of a variable displacement compressor capable of improving the maneuverability of the air conditioner while keeping the air conditioner in good condition. 상기 과제를 해결하기 위하여, 추기통로 (27) 는, 용량가변형 압축기의 크랭크실 (5) 과 흡입실 (21) 을 접속한다. 급기통로 (28) 는, 크랭크실 (5) 과 토출실 (22) 을 접속한다. 제 1 제어밸브 (CV1) 는, 냉매순환회로에 설정된 2개의 압력감시점간의 차압을 기계적으로 검출하고, 동 검출차압에 근거하여 급기통로 (28) 의 개도(開度)를 조절한다. 검압영역 (K) 은, 급기통로 (28) 에 있어서 제 1 제어밸브 (CV1) 의 밸브개도조절 위치보다도 하류측에 설정되어 있다. 제 2 제어밸브 (CV2) 는, 검압영역 (K) 의 냉매압력 (Pd , ) 을 기계적으로 검출하여, 동 검출압력 (Pd , ) 이 높아지면 추기통로 (27) 의 개도를 작게 한다. In order to solve the above problem, the bleeding passage 27 connects the crank chamber 5 and the suction chamber 21 of the variable displacement compressor. The air supply passage 28 connects the crank chamber 5 and the discharge chamber 22. The first control valve CV1 mechanically detects the differential pressure between the two pressure monitoring points set in the refrigerant circulation circuit and adjusts the opening degree of the air supply passage 28 based on the detected differential pressure. The pressure sensing region K is set downstream from the valve opening degree adjustment position of the first control valve CV1 in the air supply passage 28. A second control valve (CV2) is detected mechanically the refrigerant pressure (Pd,) of geomap area (K), to reduce the opening degree of that detected pressure (Pd,) is high when bleed passage (27).

Variable displacement type swash plate clutch-less compressor

In a clutchless variable capacity swash plate compressor including a shaft 5 rotatably supported within a housing, a swash plate 10 tiltably mounted on the shaft 5 , for rotation in unison therewith, and a discharge passage D via which refrigerant gas delivered from compression chambers 6 a to a discharge chamber 12 is sent out of the compressor, a discharge check valve 130 having a valve-closing pressure lower than a valve-opening pressure is provided in the discharge passage D.

Capacity control valve

本发明的目的在于提供一种在根据阀部的开阀度控制可变容量型压缩机的流量或压力的容量控制阀中能够提高可变容量型压缩机的运行效率的容量控制阀。根据阀部的开阀度控制可变容量压缩机的流量或压力的容量控制阀(1)具备：阀主体(10)，具有第1阀室(14)、第2阀室(15)及第3阀室(16)；阀体(20)，具有连通第1阀室(14)与第3阀室(16)的中间连通路(26)、配设于第1阀室(14)的第1阀部(21a)、开闭第3阀室(16)与第2阀室(15)的连通的第2阀部(21b)及连通所述第3阀室与所述中间连通路的第3连通孔；螺线管(30)，具有与阀体(20)连接的第1柱塞；及第2柱塞(37)，配设于螺线管(30)与阀体(20)之间。

Capacity control valve having an auxiliary communication part allowing communication with an intermediate passage

A capacity control valve ( 1 ) for controlling a flow rate or pressure of a variable capacity compressor according to a valve opening degree of a valve section includes: a valve main body ( 10 ) having a first valve chamber ( 14 ), a second valve chamber ( 15 ) and an interior space ( 16 ); a valve body ( 21 ) having an intermediate communication passage ( 26 ) for allowing communication between the first valve chamber and the interior space, a first valve part ( 21 c 1 ) arranged in the first valve chamber, a second valve part ( 21 b 1 ) for opening and closing communication between the interior space and the second valve chamber, and a shaft part ( 21 a ) arranged in the interior space; a solenoid ( 30 ); a pressure-sensitive body ( 22 ) arranged in the interior space; and an auxiliary communication part ( 21 f ) which is arranged in the interior space and which allows communication between the interior space and the intermediate communication passage.

Capacity control valve

[Problem] The purpose of the present invention is to provide a capacity control valve, for controlling the flow rate or pressure of a variable capacity compressor in accordance with the degree of opening of a valve unit, that improves the operation efficiency of the variable capacity compressor. [Solution] This capacity control valve (1), for controlling the flow rate or pressure of the variable capacity compressor in accordance with the degree of opening of a valve unit, is provided with: a valve main body (10) which comprises a first valve chamber (14), a second valve chamber (15) and a third valve chamber (16); a valve body (20) which comprises an intermediate communication passage (26) for allowing communication between the first valve chamber (14) and the third valve chamber (16), a first valve unit (21a) arranged in the first valve chamber (14), a second valve unit (21b) for allowing and stopping communication between the third valve chamber (16) and the second valve chamber (15), and a third communication hole for allowing communication between the third valve chamber and the intermediate communication passage; a solenoid (30) which comprises a first plunger connected to the valve body (20); and a second plunger (37) which is arranged between the solenoid (30) and the valve body (20).

Capacity control valve

【課題】バルブ部の開弁度に応じて容量可変型圧縮機の流量又は圧力を制御する容量制御弁において、容量可変型圧縮機の運転効率の向上できる容量制御弁を提供することを目的としている。【解決手段】バルブ部の開弁度に応じて可変容量圧縮機の流量又は圧力を制御する容量制御弁１において、第１弁室１４、第２弁室１５及び内部空間１６を有するバルブ本体１０と、第１弁室１４と内部空間１６とを連通する中間連通路２６、第１弁室１４に配設される第１弁部２１ｃ１、内部空間１６と第２弁室１５との連通を開閉する第２弁部２１ｂ１、及び、内部空間に配設される軸部２１ａを有する弁体２１と、ソレノイド３０と、内部空間に配置される感圧体２２と、内部空間１６に配設され内部空間１６と中間連通路２６とを連通する補助連通部２１ｆとを備える。【選択図】図１ PROBLEM TO BE SOLVED: To provide a capacity control valve for controlling the flow rate or pressure of a variable capacity compressor according to the degree of valve opening of a valve section, which can improve the operating efficiency of the variable capacity compressor. There is. A valve body (10) having a first valve chamber (14), a second valve chamber (15) and an internal space (16) in a displacement control valve (1) for controlling the flow rate or pressure of a variable displacement compressor according to the opening degree of a valve section. And an intermediate communication passage 26 that connects the first valve chamber 14 and the internal space 16, a first valve portion 21c1 arranged in the first valve chamber 14, and a communication between the internal space 16 and the second valve chamber 15 The valve body 21 having the second valve portion 21b1 and the shaft portion 21a arranged in the internal space, the solenoid 30, the pressure sensitive body 22 arranged in the internal space, and the internal portion arranged in the internal space 16. An auxiliary communication portion 21f that connects the space 16 and the intermediate communication passage 26 is provided. [Selection diagram] Figure 1

Air conditioning systems

An air conditioning system 100 may include a compressor 101 having a driving chamber110, a cooling circuit 151, a heating circuit 152 and a controller 189. This system may release high pressure refrigerant from the compressor discharge port 120 into the compressor driving chamber 110 by means of the controller 189. The controller 189 may include a selector 181, a first refrigerant releasing means 183 and a second refrigerant releasing means 185. The selector 181 connects the discharge port 120 and the driving chamber 110 by both the first and second refrigerant releasing means 183, 185 when discharge pressure of the refrigerant has reached a predetermined high-pressure state during operation of the heating circuit 152. When the discharge pressure of the refrigerant results an abnormal high pressure state during the operation of the heating circuit 152, the high pressure refrigerant is released from the discharge port 120 into the driving chamber 110 not only by a single refrigerant releasing means 185 but by double refrigerant releasing means 183, 185. Therefore, the high pressure refrigerant can be swiftly released into the driving chamber 110 to increase the pressure in the driving chamber 110 and the necessary time for reducing the compressor discharge pressure can be minimized. Thus, the abnormal high discharge pressure can be quickly alleviated.

Control valve for variable displacement compressor

A control valve for a variable displacement compressor has a port 23 for introducing refrigerant at discharge pressure Pd1 and a port 24 for allowing refrigerant at discharge pressure Pd2 to flow out at a controlled flow rate. A main valve 20 is provided the valve lift of which is varied according to the flow rate. A solenoid valve 21 uses a valve element 28 of the main valve 20 as a variable valve seat and supplies refrigerant to the crankcase at pressure Pc the flow rate of which is controlled according to the size of a gap formed between the variable valve seat and the hollow cylindrical valve element 32. The main valve 20 senses the flow rate but also serves as the valve seat of the solenoid valve 21. The solenoid valve 21 controls the small flow rate into the crankcase.

Swash plate type variable displacement compressor

용량 가변형 사판식 압축기는 회수 및 공급 기구를 포함한다. 상기 회수 및 공급 기구는 회수 통로, 공급 통로, 환형 공간, 입구 포트 및 출구 포트를 갖는다. 상기 입구 포트는 상기 회수 통로 중 작동 회수 통로와 연통가능하다. 상기 출구 포트는 상기 공급 통로 중 작동 공급 통로와 연통가능하다. 상기 사판의 경사 각도가 최대일 때, 회수 단계의 압축 챔버에 잔류하는 냉매 가스는 상기 작동 회수 통로를 통해 회수되고 회수된 냉매 가스는 공급 단계의 압축 챔버로 공급된다. 한편, 경사 각도가 최대 보다 적을 때, 잔류 냉매 가스는 더 이상 공급 단계 압축 챔버로 공급되지 않는다. The variable displacement swash plate compressor includes a recovery and supply mechanism. The recovery and supply mechanism has a recovery passage, a supply passage, an annular space, an inlet port and an outlet port. The inlet port can communicate with the operation recovery passage in the recovery passage. The outlet port is communicable with the operation supply passage of the supply passage. When the inclination angle of the swash plate is the maximum, the refrigerant gas remaining in the compression chamber in the recovery stage is recovered through the operation recovery passage, and the recovered refrigerant gas is supplied to the compression chamber in the supply stage. On the other hand, when the tilt angle is less than the maximum, the residual refrigerant gas is no longer supplied to the supply stage compression chamber.

compressor

COMPRESSOR. Um compressor é apresentado contendo uma câmara de descarga na qual gás de refrigeração comprimido é descarregado, uma passagem de descarga conectada à câmara de descarga, um dispositivo de separação de óleo que separa centrifugamente óleo do gás de refrigeração, uma câmara de reservatório de óleo que se comunica com uma câmara de separação através de uma passagem de óleo e retém o óleo separado do gás de refrigeração, e um filtro fornecido entre a câmara de separação e a passagem de óleo. A câmara de reservatório de óleo se comunica com uma zona de baixa pressão no compressor cuja pressão é mais baixa do que a pressão na câmara de descarga. A câmara de reservatório de óleo dessa forma fornece o óleo separado para a zona de baixa pressão. O dispositivo de separação de óleo é disposto na passagem de descarga de maneira a definir a câmara de separação. O dispositivo de separação de óleo separa centrifugamente o óleo do gás de refrigeração fazendo girar o gás de refrigeração que foi enviado à câmara de separação. O filtro se estende em uma direção giratória do gás de refrigeração na câmara de separação. COMPRESSOR. A compressor is presented containing a discharge chamber into which compressed refrigerant gas is discharged, a discharge passage connected to the discharge chamber, an oil separation device that separates oil from the refrigerant gas centrifugally, an oil reservoir chamber that communicates with a separation chamber through an oil passage and retains the oil separated from the cooling gas, and a filter provided between the separation chamber and the oil passage. The oil reservoir chamber communicates with a low pressure zone in the compressor whose pressure is lower than the pressure in the discharge chamber. The oil reservoir chamber thus supplies the separated oil to the low pressure zone. The oil separation device is arranged in the discharge passage in order to define the separation chamber. The oil separator separates the oil from the ...

Displacement control mmechanism for positive-displacement compressor

一种用于安装在制冷回路内的压缩机中的排量控制机构。压缩机具有放气通道(27)和供气通道(28)。排量控制机构包含一第一控制阀(CV1)和一第二控制阀(CV2)。第一控制阀(CV1)包含一第一阀体(41)和一压力传感件(54)。第一阀体(41)调节供气通道(28)的开口大小。压力传感件(54)根据制冷回路内的压力运动。一压力检测区域(K)位于第一阀体(41)的下游。第二控制阀(CV2)包含一第二阀体(82)。第二阀体(82)调节放气通道(27)的开口大小。第二阀体(82)根据压力检测区域(K)的压力运动。当压力检测区域(K)的压力增大时，第二控制阀(CV2)减小放气通道(27)的开口大小。这样，就使压缩机以快速制冷性能启动。

Capacity control valve

Compressor

Variable capacity swash plate type compressor

The present invention relates to a variable capacity swash plate type compressor, in which a check valve for circulating refrigerant inside a compressor and preventing a backflow of the refrigerant when an air conditioner is turned off is mounted on a side of a discharge muffler chamber in a cover type so that the discharge muffler chamber is formed by the check valve, thereby reducing the number of components, the number of work processes, and a pulsating pressure (pulsating noise) of discharged refrigerant, allowing that the check valve is mounted at the center of a discharge chamber without any increase in size of the compressor, preventing an overlapping phenomenon of a pulsating pressure waveform of a high-pressure refrigerant at the time of discharge since the check valve is located at the center of the discharge chamber, and preventing a separation of the check valve by fixing the check valve in the discharge chamber via a retainer.

Control device for variable capacity compressor

Variable displacement type swash plate clutch-less compressor

Swashplate type variable-displacement compressor

A swashplate type variable-displacement compressor includes a compressor housing defining therein a crank chamber, a refrigerant suction chamber, a refrigerant discharge chamber, and a low-pressure refrigerant passage connected to an evaporator outlet, and a pressure regulator. The pressure regulator controls the amount of low-pressure refrigerant gas flowing into the refrigerant suction chamber by regulating a differential pressure between the pressure in the refrigerant suction chamber and the pressure in the crank chamber. The pressure regulator is comprised of a flow control valve including a first spring-loaded, normally-closed spool valve and a pressure chamber accumulating the working pressure used to force the spool valve toward its fully-opened position, and a flow control valve actuating mechanism including a communication passage through which the refrigerant discharge chamber is communicated with the pressure chamber, a second spring-loaded, normally-closed pilot valve provided in the communication passage, and an electromagnetic solenoid controlling the opening of the pilot valve so that the opening increases with an increase in exciting current supplied to the solenoid. The pilot valve serves to introduce high-pressure refrigerant gas in the refrigerant discharge chamber into the pressure chamber as the working pressure with the opening controlled by the solenoid.

Adjustable reciprocating compressor

Es ist ein Ziel, einen verstellbaren Hubkolbenkompressor zur Verfügung zu stellen, der eine Leckage eines direkt in eine Ansaugkammer strömenden Kältemittels verhindert, ohne über ein Kurbelgehäuse zu einem Zeitpunkt eines Betriebs mit minimaler Auslassverdrängung zu laufen, wodurch es möglich wird, eine Zunahme einer minimalen Auslassverdrängung durch Erhöhung eines Kältemitteldrucks in dem Kurbelgehäuse zu verhindern, und es zusätzlich ermöglicht, unzureichende Schmierung von Gleitabschnitten und dergleichen in dem Kurbelgehäuse zu vermeiden. In einem ersten Steuerventil, das einen Öffnungsgrad eines Druckversorgungskanals steuert, welcher eine Auslasskammer und das Kurbelgehäuse dazu veranlasst, miteinander in Verbindung zu treten, ist ein Druckentlastungskanal (320) gebildet, welcher mit einer Ansaugkammer (141) in Verbindung steht, während er sequentiell über eine erste Druckmesskammer (302), ein Verbindungsloch (306a) eines Kupplungsabschnitts (306), ein Verbindungsloch (304a) zwischen dem Kupplungsabschnitt (306) und einem Inneren eines Ventilkörpers (304), eine Spiralnut (309a), die auf einem Ventilkörperpresspassungsabschnitt eines Stabmagneten (309) ausgebildet ist, und eine zweite Druckmesskammer (307) verläuft und der ein Kältemittel in einer Region des Druckversorgungskanals stromabwärts des ersten Steuerventils zu einer Ansaugkammer (141) entlastet. Ein Öffnungs-/Schließmittel zur Schließung des Druckentlastungskanals (320), wenn das erste Steuerventil öffnet, besteht aus dem Ventilkörper (304) und einem festen Kern (310), welche gegeneinander stoßen, wenn das erste Steuerventil vollständig geöffnet ist. It is an object to provide an adjustable reciprocating compressor that prevents leakage of refrigerant flowing directly into a suction chamber without passing over a crankcase at a time of minimum outlet displacement operation, thereby making it possible to increase a minimum exhaust displacement by preventing a refrigerant pressure in the crankcase ...

Control device for variable capacity compressor

Variable capacity compressor

[Object] To provide a variable capacity compressor configured to achieve an enhancement of an activation performance of a compressor and reduce an amount of internally circulating refrigerant during an intermediate stroke in a simple structure. [Solving Means] A supply passage 40 configured to cause a discharge chamber 34 and a control pressure chamber 4 to communicate with each other; a first bleed passage 42 configured to cause the control pressure chamber 4 and an inlet chamber 33 to communicate with each other; a first control valve 50 configured to adjust an opening degree of the supply passage 40; and a second control valve 45 provided on the first bleed passage 42 are provided, and the second control valve 45 includes: a spool 47 housed in a spool housing recess formed on a bleed passage and configured to open and close the first bleed passage 42, a back pressure chamber 48 formed behind the spool 47, and biasing means (compression spring 49) configured to bias the spool 47 in a direction of opening the first bleed passage 42. The back pressure chamber 48 of the second control valve 45 is selectively connected to the discharge chamber 34 or the inlet chamber 33 via the first control valve 50.

Capacity control valves and control methods of capacity control valves

[과제] 흡입실의 압력에 관계없이 액냉매를 효율 좋게 배출할 수 있는 용량 제어 밸브를 제공하는 것을 목적으로 하고 있다. [해결 수단] 용량 제어 밸브(1)는, 제1 연통로(11), 제2 연통로(12), 제3연통로(13) 및 주밸브 시트(15a)를 갖는 밸브 본체(10)와, 중간 연통로(26), 주밸브부(21b) 및 보조 밸브부(23d)를 갖는 밸브체(20)와, 제1 로드(33)를 갖는 제1 플런저(34) 및 제2 로드(36)를 갖는 제2 플런저(35)를 구비하는 솔레노이드(30)를 구비하고, 제1 로드(33)는 주밸브부(21b)를 개폐하고, 제2 로드(36)는 보조 밸브부(23d)를 개폐한다. [Project] An object of the present invention is to provide a capacity control valve capable of efficiently discharging liquid refrigerant regardless of the pressure in the suction chamber. [Solution Means] The capacity control valve 1 includes a valve body 10 having a first communication path 11, a second communication path 12, a third communication path 13, and a main valve seat 15a; A valve body 20 having an intermediate communication passage 26 , a main valve portion 21b and an auxiliary valve portion 23d , and a first plunger 34 and a second rod 36 having a first rod 33 . A solenoid 30 having a second plunger 35 having .

capacity control valve

(과제) 밸브부의 개변도(開弁度)에 따라 용량 가변형 압축기의 유량 또는 압력을 제어하는 용량 제어 밸브에 있어서, 용량 가변형 압축기의 운전 효율을 향상시킬 수 있는 용량 제어 밸브를 제공하는 것을 목적으로 한다. (해결 수단) 밸브부의 개변도에 따라 가변 용량 압축기의 유량 또는 압력을 제어하는 용량 제어 밸브(1)에 있어서, 제1 밸브실(14), 제2 밸브실(15) 및 내부 공간(16)을 갖는 밸브 본체(10)와, 제1 밸브실(14)과 내부 공간(16)을 연통하는 중간 연통로(26), 제1 밸브실(14)에 배열 형성되는 제1 밸브부(21c1), 내부 공간(16)과 제2 밸브실(15)과의 연통을 개폐하는 제2 밸브부(21b1), 및, 내부 공간에 배열 형성되는 축부(21a)를 갖는 밸브체(21)와, 솔레노이드(30)와, 내부 공간에 배치되는 감압체(22)와, 내부 공간(16)에 배열 형성되고 내부 공간(16)과 중간 연통로(26)를 연통하는 보조 연통부(21f)를 구비한다. (Project) To provide a capacity control valve for controlling the flow rate or pressure of a variable capacity compressor according to the degree of change of the valve part, wherein the capacity control valve can improve the operating efficiency of the variable capacity compressor do. (Solution Means) In the capacity control valve (1) for controlling the flow rate or pressure of the variable capacity compressor according to the degree of change of the valve part, the first valve chamber (14), the second valve chamber (15) and the internal space (16) A valve body (10) having a, an intermediate communication path (26) communicating the first valve chamber (14) and the internal space (16), and a first valve portion (21c1) arranged in the first valve chamber (14) , a second valve part 21b1 for opening and closing communication between the internal space 16 and the second valve chamber 15, and a valve body 21 having a shaft part 21a arranged in the internal space; and a solenoid 30 , a pressure reducing body 22 arranged in the internal space, and an auxiliary communication portion 21f arranged in the internal space 16 and communicating the internal space 16 and the intermediate communication path 26 . .

System for controlling capacity of variable capacity compressor and display device

A system for controlling the capacity of a variable capacity compressor comprises target suction pressure setting means for setting a target suction pressure according to external information from external information detecting means by using the pressure in a suction pressure range as the controlled object, suction pressure estimating means for estimating the suction pressure on the basis of the external information while the variable capacity compressor is operating with a maximum discharge capacity, and discharge capacity judging means for judging whether the variable capacity compressor is operated with a maximum discharge capacity or with a controlled discharge capacity on the basis of the estimated suction pressure and the preset target suction pressure.

Capacity control valve

本发明的目的在于提供一种在根据阀部的开阀度控制可变容量型压缩机的流量或压力的容量控制阀中能够提高可变容量型压缩机的运行效率的容量控制阀。根据阀部的开阀度控制可变容量压缩机的流量或压力的容量控制阀(1)具备：阀主体(10)，具有第1阀室(14)、第2阀室(15)及第3阀室(16)；阀体(20)，具有连通第1阀室(14)与第3阀室(16)的中间连通路(26)、配设于第1阀室(14)的第1阀部(21a)、开闭第3阀室(16)与第2阀室(15)的连通的第2阀部(21b)及连通所述第3阀室与所述中间连通路的第3连通孔；螺线管(30)，具有与阀体(20)连接的第1柱塞；及第2柱塞(37)，配设于螺线管(30)与阀体(20)之间。

Axial Piston Compressor

Compressor, especially a compressor for the air-conditioning system of a motor vehicle, having a housing ( 1 ) and, for drawing in and compressing a coolant, a compressor unit arranged in the housing ( 1 ) and driven by means of a drive shaft, the compressor unit being regulated by means of the pressure (P C ) prevailing in a drive mechanism chamber substantially bounded by the housing ( 1 ), there being an additional regulation device ( 17 ) and/or control device for the inlet-gas-side coolant mass flow and/or the inlet pressure and/or the inlet density.

Swash plate type variable displacement compressor

本发明提供一种斜盘式变排量压缩机，其包括收集供给机构。收集供给机构具有收集通道、供给通道、环形空间、入口端口和出口端口。入口端口能够与收集通道中的工作收集通道连通。出口端口能够与供给通道中的工作供给通道连通。当斜盘的倾斜角度为最大值时，收集阶段的压缩室中的剩余制冷剂气体通过工作收集通道被收集并且所收集的制冷剂气体被供给至供给阶段的压缩室。另一方面，当倾斜角度小于最大值时，剩余制冷剂气体不再被供给至供给阶段压缩室中。

Dispositivo di sicurezza per la limitazione di pressione di un compressore di climatizzazione a corsa variabile rispettivamente a dislocamen

Capacity control valve and method for controlling same

Sicherheitseinrichtung für klimakompressor

容量制御弁

起動時の応答性が良く、かつ運転効率が良い容量制御弁を提供する。バルブハウジング１０，１６と、主弁座１０ａと接離する主弁部５１ａを有しソレノイド８０の駆動力によりＰｄポート１２とＰｃポート１４との連通を開閉する主弁体５１と、周囲の圧力により開閉する感圧弁５３と、感圧弁５３の開閉によりＰｃポート１４とＰｓポート１３とを連通させることが可能な中間連通路５５と、を備える容量制御弁Ｖであって、バルブハウジング１０，１６には、Ｐｃポート１４と、Ｐｓポート１５と、Ｐｄポート１２とが設けられ、Ｐｃポート１４とＰｓポート１５との間を、Ｐｄポート１２からの吐出圧力Ｐｄにより作動する作動部材９３の作動力により移動する差圧弁体９１によって開閉可能な差圧弁９０が設けられている。

可変容量型クラッチレス圧縮機

　高圧側配管の接続部分におけるハウジングの突出を抑えると共に、シリンダボアの外郭部と逆止弁との隙間を十分に確保して通路抵抗が増大する不都合を回避することが可能な可変容量型クラッチレス圧縮機を提供する。圧縮室から吐出された冷媒を圧縮機外に送出する吐出領域を、マフラー室３７と、このマフラー室３７の下流側に設けられて逆止弁４３を収容する逆止弁収容部４４と、冷媒回路の高圧側配管が接続され、逆止弁収容部４４と略平行に形成された吐出通路４５と、逆止弁収容部４４の逆止弁４３の出口側と吐出通路４５とを連通する連絡通路４６とを有して構成する。

Capacity control valve

Dispositivo di sicurezza per la limitazione di pressione di un compressore di climatizzazione a corsa variabile rispettivamente a dislocamen

Variable-capacity compressor

A variable-capacity compressor capable of improving starting performance of the compressor and eliminating the risk of the compressor becoming uncontrollable due to contamination or the like in a refrigerant is disclosed. An opening passage allowing the control pressure chamber to communicate with a suction chamber is provided separately from a bleed passage, a valve housing chamber is formed on the opening passage, and the opening passage is formed by including an upstream-side opening passage allowing the control pressure chamber to communicate with the valve housing chamber and a downstream-side opening passage allowing the valve housing chamber to communicate with the suction chamber. A valve body housed so as to open/close the downstream-side opening passage and a biasing means biasing the valve body in an opening direction are provided. The valve housing chamber is connected to the downstream side of a pressure control valve provided on a supply passage.

Vorrichtung und Verfahren zur Steuerung von Fluidverdrängungvorrichtungen mit Einrichtung zur variablen Verdrängung

可変容量型圧縮機

可変容量型圧縮機は、圧縮機構（１２）と、圧縮機構から吐出される冷媒の吐出容量を制御する容量制御機構（４０）と、クラッチ（ＭＧＣ）と、容量制御機構およびクラッチを制御して運転モードを切り替える制御装置（１００）と、を備える。圧縮機構には、吐出容量の下限容量を最小容量よりも大きく最大容量よりも小さい中間容量に制限する容量制限部が設けられている。そして、制御装置は、運転モードを可変運転モードおよび断続運転モードに切替可能になっている。可変運転モードは、容量制御機構によって吐出容量を下限容量から最大容量までの範囲で変化させる運転モードである。また、断続運転モードは、容量制御機構によって吐出容量を下限容量に制御した状態で、クラッチによって接続状態を連結状態と遮断状態とに断続的に切り替える運転モードである。

Variable displacement-type clutchless compressor

Steuerventil eines Kompressors mit variabler Förderleistung

Ein Steuerventil steuert die Förderleistung eines Kompressors mit variabler Förderleistung. Das Steuerventil umfasst einen ersten Ventilkörper (46) zum Anpassen des Drucks in einer Kurbelkammer (12), ein Druckfühlelement (48), das in Übereinstimmung mit dem Druckunterschied zwischen zwei sich in einem Kühlmittelkreislauf befindenden Druckpunkten verschoben wird, um den ersten Ventilkörper (46) zu bewegen, ein elektromechanisches Stellglied (51) zum Vorspannen des Druckfühlelements (48) und einen zweiten Ventilkörper (68), der betrieblich an das Druckfühlelement (48) gekoppelt ist. Der zweite Ventilkörper (69) passt den Öffnungsgrad eines Auslassdurchlasses des Kühlmittelkreislaufs in Übereinstimmung mit der Verschiebung des Druckfühlelements (48) an. Daher wird verglichen mit einem Fall, in dem der erste und zweite Ventilkörper unabhängig voneinander in dem Kompressor angeordnet sind, die Anzahl von Teilen verringert, wodurch die Herstellungskosten verringert werden.

Vorrichtung und Verfahren zur Steuerung von Fluidverdrängungvorrichtungen mit Einrichtung zur variablen Verdrängung

可変容量型圧縮機

【課題】圧縮機の起動性能を高めると共に、冷媒中のコンタミ等によって制御不能に陥る恐れを無くすことが可能な可変容量型圧縮機を提供する。【解決手段】抽気通路とは別に制御圧室４と吸入室３３とを連通する開放通路５０を設け、この開放通路上に弁収容室５１を形成し、開放通路５０を、制御圧室４と弁収容室５１とを連通する上流側開放通路５０ａと、弁収容室５１と吸入室３３とを連通する下流側開放通路５０ｂと、を有して構成する。弁収容室５１には、下流側開放通路５０ｂを開閉するように収容された弁体５２と、この弁体５２を開方向に付勢する付勢手段（スプリング５３）とを設け、吐出室と制御圧室４とを連通する給気通路４０上に設けられた圧力制御弁４２の下流側を圧力導入通路５４を介して接続する。給気通路４０の圧力導入通路５４が分岐している箇所より下流側に上流側から下流側への流れのみを許容する逆止弁（第１の逆止弁６０）を設けてもよい。【選択図】 図３

具有排放压力补偿式吸入截流阀的可变排量压缩机

本发明提供了一种具有排放压力补偿式吸入截流阀(SSV)的可变排量压缩机。该SSV通过对与吸入阀的流体连通进行可变节流来防止在低制冷剂流速下由吸入阀产生的噪音传出压缩机及传到空调机蒸发器。该SSV构造为使得如果排放压力小于指示低制冷剂流速的阈值时，则与排放压力相对应来增大可变节流；且如果排放压力大于该阈值，则减小节流。

Verdichter mit variabler verdrängung mit verdrängungssteuerungsmechanismus

可変容量型圧縮機

【課題】最小容量での運転を回避して圧縮効率の向上を図ることが可能な可変容量型圧縮機を提供する。 【解決手段】可変容量型圧縮機１０は、圧縮機構１２に対して、吐出容量の下限容量を最小容量よりも大きく最大容量よりも小さい中間容量に制限する容量制限部として筒状部材２７が設けられている。そして、制御装置１００は、運転モードを可変運転モードおよび断続運転モードに切替可能に構成されている。但し、可変運転モードは、クラッチＭＧＣを連結状態に制御した状態で容量制御機構４０によって吐出容量を下限容量から最大容量までの範囲で変化させる運転モードである。断続運転モードは、容量制御機構４０によって吐出容量を下限容量に制御した状態で、クラッチＭＧＣによって連結状態と遮断状態とに断続的に切り替える運転モードである。 【選択図】図６

可変容量圧縮機の容量制御システム及び表示装置

可変容量圧縮機の容量制御システムは、外部情報検知手段からの外部情報に基づいて吸入圧力領域の圧力を制御対象として目標吸入圧力を設定する目標吸入圧力設定手段と、外部情報に基づいて可変容量圧縮機が最大吐出容量で動作している状態の吸入圧力を推定する吸入圧力推定手段と、吸入圧力推定手段で推定された吸入圧力と目標吸入圧力設定手段で設定された目標吸入圧力とに基づいて、可変容量圧縮機が最大吐出容量状態で運転されているのか、又は、吐出容量制御状態で運転されているのかを判定する吐出容量判定手段を有する。

可变容量压缩机的容量控制系统及显示装置

可变容量压缩机的容量控制系统具有：基于来自外部信息检测单元的外部信息，将吸入压力区域的压力作为控制对象来设定目标吸入压力的目标吸入压力设定单元；基于外部信息来推定在可变容量压缩机以最大排出容量动作的状态下的吸入压力的吸入压力推定单元；以及基于由吸入压力推定单元推定出的吸入压力和由目标吸入压力设定单元设定好的目标吸入压力，判定可变容量压缩机是以最大排出容量状态运转，还是以排出容量控制状态运转的排出容量判定单元。

Regelventil für kompressor mit variabler verdrängung

Es wird ein Regelventil eines Kompressors mit variabler Verdrängung bereitgestellt, das in der Lage ist, eine Verringerung der Regelgenauigkeit zu verhindern. In einem Regelventil 300 stellt eine Ventilkammer 321b, die einen Ventilkörper 322 aufnimmt, einen Teil eines Druckversorgungskanals zum Zuführen von Kältemittel in einer Auslasskammer zu einer Kurbelkammer dar oder einen Teil eines Druckentlastungskanals, durch den Kältemittel in der Kurbelkammer zu einer Saugkammer strömt, je nachdem, ob das Ventilloch 321c durch einen Ventilbereich 322a des Ventilkörpers 322 geöffnet oder geschlossen ist. Ein Trennabschnitt 322b mit einem größeren Durchmesser als der des Ventilbereichs 322a des Ventilkörpers 322, teilt die Ventilkammer 321b in eine erste Druckbeaufschlagungskammer 321b 1, auf die der Druck in der Saugkammer hauptsächlich wirkt, und eine zweite Druckbeaufschlagungskammer 321b2, auf die der Druck in der Kurbelkammer hauptsächlich wirkt und in die das Kältemittel in der Auslasskammer strömt, wenn das Ventilloch 321c offen ist. Ein Freiraum zwischen einer äußeren Umfangsfläche des Trennabschnitts 322b und einer inneren Umfangsfläche der Ventilkammer 321b bildet eine feste Öffnung des Druckentlastungskanals. Die zweite Druckbeaufschlagungskammer 321b2 ist so ausgebildet, dass sie einen größeren Innendurchmesser als der der inneren Umfangsfläche der Ventilkammer 321b aufweist.

可变容量压缩机的控制阀

抑制可变容量压缩机的控制阀的控制精度下降。在控制阀(300)中，收容阀芯(322)的阀室(321b)根据阀芯(322)的阀部(322a)对阀孔(321c)的打开、关闭，来构成将排出室内的制冷剂供给至曲柄室的压力供给通路或是使所述曲柄室内的制冷剂流向吸入室的泄压通路的一部分。直径比阀芯(322)的阀部(322a)大的划分部(322b)将阀室(321b)内划分为第一压力作用室(321b1)和第二压力作用室(321b2)，第一压力作用室主要作用有所述吸入室的压力，第二压力作用室主要作用有所述曲柄室的压力，并且在阀孔(321c)打开时供所述排出室内的制冷剂流入。划分部(322b)的外周面与阀室(321b)的内周面的间隙形成所述泄压通路的固定节流孔，第二压力作用室(321b2)形成为具有比阀室(321b)的所述内周面大的内径。

Capacity control valve

用于斜盘式可变容积式压缩机的控制阀

本发明提供一种用于斜盘式可变容积式压缩机的控制阀，其能够以简单的结构来实现，同时具有布置在该压缩机的排出端口处的止回阀的功能。该控制阀包括：主阀，当制冷剂在压缩机的排放室和排出端口之间流动时，主阀设定一截面面积固定通道，在通道中其通道截面面积基本恒定，并且当压缩机没有操作时由于穿过该通道的压力大小颠倒而关闭该通道；导阀，其以与穿过由主阀接收的所述通道的压差互锁的方式，控制从排放室流向曲轴箱的制冷剂的流速；以及螺线管，其能够通过外部信号来设定导阀的阀门升程。导阀控制允许流入曲轴箱中的制冷剂的流速，以使得穿过所述通道的压差恒定，从而进行控制以使得允许流到压缩机排出端口的制冷剂的流速恒定。

Schiefscheibenverdichter mit veränderlicher verdrängung

容量控制阀

本发明提供一种起动时的响应性好且运转效率高的容量控制阀。容量控制阀(V)具备：阀壳体(10、16)；主阀芯(51)，其具有与主阀座(10a)接触或分离的主阀部(51a)，通过螺线管(80)的驱动力对Pd口(12)与Pc口(14)的连通进行开闭；压敏阀(53)，其通过周围的压力进行开闭；以及中间连通路(55)，其能够通过压敏阀(53)的开闭使Pc口(14)与Ps口(13)连通，其中，在阀壳体(10、16)上设置有Pc口(14)、Ps口(15)和Pd口(12)，在Pc口(14)与Ps口(15)之间设置有能够通过差压阀芯(91)进行开闭的差压阀(90)，该差压阀芯通过因来自Pd口(12)的排出压力Pd而动作的动作部件(93)的动作力而移动。

容量控制阀及容量控制阀的控制方法

本发明的目的在于提供一种容量控制阀，其与吸入室的压力无关地能够有效地排出液态制冷剂。容量控制阀(1)具备：阀主体(10)，具有第1连通路(11)、第2连通路(12)、第3连通路(13)及主阀座(15a)；阀体(20)，具有中间连通路(26)、主阀部(21b)及辅助阀部(23d)；及螺线管(30)，具备具有第1连杆(33)的第1柱塞(34)及具有第2连杆(36)的第2柱塞(35)，第1连杆(33)开闭主阀部(21b)，第2连杆(36)开闭辅助阀部(23d)。

容量控制阀

本发明的目的在于提供一种在根据阀部的开阀度控制可变容量型压缩机的流量或压力的容量控制阀中能够提高可变容量型压缩机的运行效率的容量控制阀。根据阀部的开阀度控制可变容量压缩机的流量或压力的容量控制阀(1)具备：阀主体(10)，具有第1阀室(14)、第2阀室(15)及第3阀室(16)；阀体(20)，具有连通第1阀室(14)与第3阀室(16)的中间连通路(26)、配设于第1阀室(14)的第1阀部(21a)、开闭第3阀室(16)与第2阀室(15)的连通的第2阀部(21b)及连通所述第3阀室与所述中间连通路的第3连通孔；螺线管(30)，具有与阀体(20)连接的第1柱塞；及第2柱塞(37)，配设于螺线管(30)与阀体(20)之间。

容量控制阀

本发明的目的在于提供一种在根据阀部的开阀度控制可变容量型压缩机的流量或压力的容量控制阀中能够提高可变容量型压缩机的运行效率的容量控制阀。根据阀部的开阀度控制可变容量压缩机的流量或压力的容量控制阀(1)具备：阀主体(10)，具有第1阀室(14)、第2阀室(15)及内部空间(16)；阀体(21)，具有连通第1阀室(14)与内部空间(16)的中间连通路(26)、配设于第1阀室(14)的第1阀部(21c1)、开闭内部空间(16)与第2阀室(15)的连通的第2阀部(21b1)及配设于内部空间的轴部(21a)；螺线管(30)；感压体(22)，配置于内部空间；及辅助连通部(21f)，配设于内部空间(16)并连通内部空间(16)与中间连通路(26)。

可变容量压缩机的控制阀

抑制可变容量压缩机的控制阀的控制精度下降。在控制阀(300)中，收容阀芯(322)的阀室(321b)根据阀芯(322)的阀部(322a)对阀孔(321c)的打开、关闭，来构成将排出室内的制冷剂供给至曲柄室的压力供给通路或是使所述曲柄室内的制冷剂流向吸入室的泄压通路的一部分。直径比阀芯(322)的阀部(322a)大的划分部(322b)将阀室(321b)内划分为第一压力作用室(321b1)和第二压力作用室(321b2)，第一压力作用室主要作用有所述吸入室的压力，第二压力作用室主要作用有所述曲柄室的压力，并且在阀孔(321c)打开时供所述排出室内的制冷剂流入。划分部(322b)的外周面与阀室(321b)的内周面的间隙形成所述泄压通路的固定节流孔，第二压力作用室(321b2)形成为具有比阀室(321b)的所述内周面大的内径。

Swash plate type variable displacement compressor

A swash plate type variable displacement compressor includes a collection and supply mechanism. The collection and supply mechanism has collection passages, supply passages, an annular space, an inlet port, and an outlet port. The inlet port is communicable with a working collection passage of the collection passages. The outlet port is communicable with a working supply passage of the supply passages. When the inclination angle of the swash plate is maximum, residual refrigerant gas in a compression chamber of collection phase is collected through the working collection passage and the collected refrigerant gas is supplied to a compression chamber of supply phase. On the other hand, when the inclination angle is less than the maximum, residual refrigerant gas is supplied no more into the supply-phase compression chamber.