GAS PRESSURE REDUCTION GENERATOR

Gas Pressure Reduction Generator (GPRG) systems and methods for implementing a GPRG system are provided, where the GPRG systems comprise a gas inlet configured to receive a pressurized gas flow, at least one expander in gas flow receiving communication with the gas inlet wherein the expander is operable to convert the pressurized gas flow into mechanical energy and a depressurized gas flow, and a generator configured to convert the mechanical energy into electrical energy. 1. A gas pressure reduction generator system comprising in combination:A. a pressurized gas flow inlet;B. a pressurized gas speed governor in pressurized gas flow communication with the pressurized gas flow inlet;C. at least one pressurized gas expander having (i) a pressurized gas expander inlet in pressurized gas flow communication with the pressurized gas speed governor, (ii) a reduced pressure gas outlet, and iii) an expander shaft rotation monitor; andD. a power generating generator in rotational generator driving communication with the pressurized gas expander.2. The system of wherein the pressurized gas flow inlet is a pressurized natural gas flow inlet.3. The system of wherein the expander shaft rotation monitor is in communication with the pressurized gas speed governor.4. The system of wherein the expander is a screw expander.5. The system of wherein the expander is a lubricated expander.6. The system of further comprising (i) a lubrication oil separator/reservoir in lubrication oil receiving communication with the reduced pressure gas outlet and (ii) a lubrication oil pump in lubrication oil receiving communication with the lubrication oil separator/reservoir and in lubrication oil sending communication with the expander.7. The system of further comprising one or more lubrication oil heaters interposed (i) between the reduced pressure gas outlet and the lubrication oil separator/reservoir claim 6 , (ii) between the lubrication oil separator/reservoir and the lubrication oil pump claim 6 ...

GEROTOR MOTOR BALANCING PLATE STRUCTURE

A gerotor device includes a valving plate, a balancing plate structure, and a rotor positioned between the valving plate and the balancing plate structure. High pressure fluid flowing from the valving plate toward the rotor pushes the rotor toward the balancing plate structure. The balancing plate structure includes a balancing plate and a second plate. A cavity is defined between the balancing plate and the second plate. The balancing plate includes a fluid passage having a check valve and fluid passes through the fluid passage for pressuring the cavity. The balancing plate includes first and second relief holes extending through the balancing plate connected with the cavity. 1. A gerotor device comprising:a valving plate;a balancing plate structure; anda rotor positioned between the valving plate and the balancing plate structure, wherein high pressure fluid flowing from the valving plate toward the rotor between pushes the rotor toward the balancing plate structure,wherein the balancing plate structure includes a balancing plate and a second plate,wherein a cavity is defined between the balancing plate and the second plate;wherein the balancing plate includes a fluid passage having a check valve and fluid passes through the fluid passage for pressurizing the cavity;wherein the balancing plate includes first and second relief holes extending through the balancing plate connected with the cavity.2. The gerotor device of claim 1 , wherein the second plate is an end plate.3. The gerotor device of claim 1 , wherein the rotor has n lobes claim 1 , and the first relief hole is angularly spaced from the second relief hole about 360/(n+1)x degrees claim 1 , where x is a whole number less than n.4. The gerotor device of claim 3 , wherein x equals 1 or 2.5. The gerotor device of claim 1 , wherein the rotor includes a relief groove formed in a rear face of the rotor claim 1 , wherein at least one of the relief holes is in constant communication with the relief groove as the ...

Scroll Expander

Scroll expander including a bypass passage and a bypass valve configured to open and close the bypass passage without significantly increasing the length in the shaft direction of the scroll expander. Scroll expander 23 includes suction port 513 which allows a high-pressure flow of a working fluid to enter and guides the entering flow of the working fluid into an expansion chamber. Discharge port 523 allows the working fluid expanded to a lower pressure in the expansion chamber to flow out. Bypass passage 27 communicates suction port 513 with the discharge port 523 while bypassing the expansion chamber. Bypass valve 28 is configured to open and close bypass passage 27 . Suction port 513 , bypass passage 27 and a bypass valve attaching portion 514 for attaching the bypass valve 28 are formed in a base plate of the fixed scroll 51.

Scroll compressor

A scroll compressor including a bypass passage to guide compressed refrigerant from a compression chamber to a low pressure portion of the compressor; a valve that is inserted in a valve receiving portion and slides between first and second positions in which the bypass passage is respectively closed and opened; a ring-shaped seal between an outer peripheral surface of the valve and an inner peripheral surface of the valve receiving portion; and a seal groove formed in at least one of the outer peripheral surface of the valve and the inner peripheral surface of the valve receiving portion, the seal being inserted into the seal groove, wherein at least one of the outer peripheral surface of the valve, the inner peripheral surface of the valve receiving portion, and the inner peripheral surface of the seal groove has an inclined surface that is inclined in the opening/closing direction of the valve.

PISTON HYDRAULIQUE A VALVE PORTE-JOINT DE REFROIDISSEMENT ET DE LUBRIFICATION

The hydraulic piston () constitutes a hydraulic chamber () with a cylinder () and has a cylindrical body () connected—from the side of the chamber ()—by a link-stop valve () to a cooling and lubricating gasket valve () which is passed right through by a flow calibration opening (), the valve () being able to move in longitudinal translation over a short stroke with respect to the body () or to be held at a distance from the body () by the valve link-stop (), a valve return spring () tending to move the valve () away from the cylindrical body (). 11641451105113891. A hydraulic piston () consisting of a cylindrical body () housed in a small clearance in a cylinder () , said piston () being translatable in said cylinder () with which it forms a hydraulic chamber () of a variable volume , a first end of said piston () having a compression face () opening into the hydraulic chamber () for receiving the pressure of a fluid () , while the other end of said piston () has a piston support surface () for exerting a force on the transmission means () , said piston () being characterized in that it comprises:{'b': 2', '10', '6', '2', '23', '24', '26', '10', '2', '14', '16', '4', '2', '15', '5, 'At least one cooling and lubricating gasket valve () positioned on the side of the compression surface () and in the extension of the cylindrical body () with respect to which it can move in longitudinal translation over a short stroke, said valve () comprising, first, a piston-side axial valve surface () which has a circular flow closure contact surface () which can come into contact with a valve contact surface () on the compression surface (), said valve () having secondly an external cylindrical valve surface () which exposes the sealing means () which can come into contact with the cylinder () and remain sealed, said valve () comprising, third, a chamber-side axial valve surface () which faces the hydraulic chamber ();'}{'b': 29', '24', '23', '10, 'at least one intermediate fluid ...

Scroll compressor

본 명세서는 스크롤 압축기에 관한 것이다. 일 측면에 따른 스크롤 압축기는, 회전축이 구비되는 케이싱; 상기 케이싱의 내부에 고정되어, 케이싱 내부를 흡입공간과 토출공간으로 구획하는 토출커버; 상기 회전축의 회전에 의하여, 선회운동을 수행하는 제 1 스크롤; 상기 제 1 스크롤과 함께 다수의 압축실을 형성하며, 상기 다수의 압축실 중 중간압을 가지는 압축실과 연통 가능한 중간압 토출구를 가지는 제 2 스크롤; 상기 중간압 토출구에서 토출된 냉매를 수용하는 배압실을 형성하는 배압 플레이트; 상기 배압 플레이트의 일측에 이동 가능하게 제공되며, 상기 배압 플레이트와 함께 상기 배압실을 형성하는 플로팅 플레이트; 및 상기 플로팅 플레이트와 상기 토출커버 사이에 제공되어, 탄성력을 상기 플로팅 플레이트에 제공하는 탄성부재를 포함한다.

Refrigerating apparatus and fluid machine therefor

A complex fluid machine has an expansion-compressor device, a pump, and a motor generator, wherein the expansion-compressor device, the pump, and the motor generator are operatively connected and arranged in series, and a power transmitting device for disconnecting the pump from the motor generator, when the expansion-compressor device is driven by the motor generator so as to be operated as a compressor device.

PRESSURE FLUID DEVICE AND ENGINE / PUMP GEAR ASSEMBLY OF THE PERFECTED "GEROLER" TYPE

L'invention concerne un dispositif rotatif sous pression utilisant un ensemble d'engrenages du type << Geroler >>. Le dispositif comprend un carter 79 dans lequel est monté un ensemble de dents internes 77, un rotor à denture externe 61 étant monté excentriquement à l'intérieur de l'ensemble de dents internes pour former avec elles une série de chambres A-G à volume variable. Un clapet 87 anti-retour formé par un rouleau 89 susceptible de se déplacer radialement est monté entre chaque paire de dents internes adjacentes pour mettre la chambre correspondante en communication avec une chambre basse pression 91 lorsque la pression de la chambre à volume variable dépasse un niveau donné. L'invention est applicable aux moteurs et pompes à engrenages du type << Geroler >>. The invention relates to a rotary pressurized device using a set of gears of the "Geroler" type. The device comprises a housing 79 in which is mounted a set of internal teeth 77, an externally toothed rotor 61 being mounted eccentrically inside the set of internal teeth to form with them a series of chambers A-G of variable volume. A non-return valve 87 formed by a roller 89 capable of radially moving is mounted between each pair of adjacent internal teeth to put the corresponding chamber in communication with a low pressure chamber 91 when the pressure of the variable volume chamber exceeds a level. given. The invention is applicable to motors and gear pumps of the "Geroler" type.

HYDRAULIC PISTON WITH VALVE COOLING AND LUBRICATION JOINT

Le piston hydraulique (1) constitue une chambre hydraulique (5) avec un cylindre (4) et présente un corps cylindrique (6) relié - du côté de ladite chambre (5) - par une liaison-butée de valve (3) à une valve porte-joint de refroidissement et de lubrification (2) laquelle est traversée de part en part par un orifice de calibrage de débit (27), ladite valve (2) pouvant se mouvoir en translation longitudinale sur une faible course par rapport audit corps (6) pour soit entrer en contact avec ce dernier, soit être maintenue à une certaine distance dudit corps (6) par la liaison-butée de valve (3), un ressort de rappel de valve (30) tendant à éloigner ladite valve (2) du corps cylindrique (6). The hydraulic piston (1) constitutes a hydraulic chamber (5) with a cylinder (4) and has a cylindrical body (6) connected - on the side of said chamber (5) - by a valve-stop connection (3) to a a cooling and lubricating seal-holder valve (2) through which a flow calibration orifice (27) passes through, said valve (2) being able to move longitudinally along a short stroke relative to said body ( 6) to be in contact with the latter or to be maintained at a distance from said body (6) by the valve stop link (3), a valve return spring (30) tending to move said valve (2) away from said valve (2). ) of the cylindrical body (6).

Power regulator for pneumatic fluid motor

본 발명은, 모터양단의 가용 압력 강하를 효과적으로 감소시킴으로써 모터의 동력 출력을 감소시키는 수단으로서 모터 배기로의 공급된 압력유체의 선택된 부분의 바이패스를 포함하는 유체 파워 모터의 출력 동력을 조정하기 위한 방법과 장치에 관한 것이다. The present invention provides a method for adjusting the output power of a fluid power motor comprising a bypass of selected portions of the supplied pressure fluid to the motor exhaust as a means of reducing the power output of the motor by effectively reducing the available pressure drop across the motor. It relates to a method and an apparatus.

Intake device, power generator, external combustion engine system using intake device and power generator, internal combustion engine system using intake device and power generator, air hybrid engine system using intake device and power generator

According to an embodiment of the present invention, an intake device comprises: a ring-shaped flow path formed in a circular housing; an input unit for guiding inflow of a fluid into the flow path wherein the input unit is installed on one side of the housing; a discharging unit for guiding discharge of the fluid which is inputted to the input unit and passes the flow path wherein the discharging unit is installed on the other side of the housing; a piston for compressing the fluid inputted through the input unit while the piston is installed on the flow path and rotates along with the flow path; and an opening or closing unit for opening or closing the flow path according to pressurization of the piston by elastic members which support opening or closing members respectively wherein the elastic members are installed in the flow path between the input unit and the discharging unit and in the flow path between the opening or closing members and the flow path. The opening or closing members close the flow path by pressurization of the fluid which pressurizes outer circumferences of the opening or closing members in a flow path closing direction and by elastic force of the elastic members if the pressurization of the piston is released by the opening or closing members.

Hydraulic piston with valve for maintaining cooling and hydraulic sealing

本发明涉及液压活塞(1)，所述液压活塞(1)与汽缸(4)一起构成液压腔(5)，并且具有圆柱形主体(6)，所述圆柱形主体(6)在所述腔(5)的一侧通过阀止动‑连杆件(3)连接到用于保持冷却和润滑密封的阀(2)，流量校准开口(27)从一侧到另一侧贯穿用于保持冷却和润滑密封的阀(2)，所述阀(2)能够相对于所述主体(6)在短行程内纵向平移或者通过阀止动‑连杆件(3)与所述主体(6)保持一定距离，阀复位弹簧(30)倾向于使所述阀(2)远离圆柱形主体(6)移动。

Shaft seal

DEVICE FOR SEALING PROPELLER WORLDS IN SHIPS

An arrangement for the sealing of a propeller shaft of a ship against the seawater (W) and against a lubricant chamber (S) comprises a multiple seal 1 with a ring 3 chamber being carved out in each case between two adjacent sealing rings 2, with the ring chamber being pressurized via a feed line 4 with a pressurized gas e.g. air, is characterized in that a discharge line 5 opens into the pressurized ring chamber 3; in that a scraper 7 is arranged in the ring chamber and is rigidly connected therewith, with the scraper being so designed that it scrapes lubricant adhering to the shaft from the latter and directs it into the lower part of the ring chamber. <IMAGE>

Hydraulic piston with valve for holding a cooling and lubrication seal

The invention relates to a hydraulic piston (1) which constitutes a hydraulic chamber (5) with a cylinder (4) and has a cylindrical body (6) connected - on the side of said chamber (5) - by a valve stop-link (3) to a valve for holding a cooling and lubrication seal (2) which is crossed from side to side by a flow calibration opening (27), said valve (2) being capable of translating longitudinally over a short path relative to said body (6), either to come into contact with the latter, or to be held at a certain distance from said body (6) by the valve stop-link (3), a valve return spring (30) tending to move said valve (2) away from the cylindrical body (6).

Garoler Device with Fluid Pressure Control

Rotary type expansion machine

本发明提供一种旋转式膨胀机(60)，该旋转式膨胀机设置有2个旋转机构部(70、80)。第1旋转机构部(70)的排出容积比第2旋转机构部(80)的排出容积小。第1旋转机构部(70)的第1低压室(74)和第2旋转机构部(80)的第2高压室(83)通过连通路(64)连接，构成一个膨胀室(66)。导入到第1旋转机构部(70)中的高压制冷剂在膨胀室(66)内膨胀。注入通路(37)连接到连通路(64)。当打开电动阀(90)时，高压制冷剂也从注入通路(37)导入到膨胀室(66)中。由此，即使在实际的膨胀比变得比设计膨胀比小的条件下，也可以抑制动力回收的效率降低。

Rotary expander

Two rotary mechanism parts ( 70, 80 ) are provided in a rotary expander ( 60 ). The first rotary mechanism part ( 70 ) is smaller in displacement volume than the second rotary mechanism part ( 80 ). A first low-pressure chamber ( 74 ) of the first rotary mechanism part ( 70 ) and a second high-pressure chamber ( 83 ) of the second rotary mechanism part ( 80 ) are fluidly connected together by a communicating passageway ( 64 ), thereby forming a single expansion chamber ( 66 ). High-pressure refrigerant introduced into the first rotary mechanism part ( 70 ) expands in the expansion chamber ( 66 ). An injection passageway ( 37 ) is fluidly connected to the communicating passageway ( 64 ). When an motor-operated valve ( 90 ) is placed in the open state, high-pressure refrigerant is introduced into the expansion chamber ( 66 ) also from the injection passageway ( 37 ). This makes it possible to inhibit the drop in power recovery efficiency, even in the condition that causes the actual expansion ratio to fall below the design expansion ratio.

Rotary type expansion machine

Two rotary mechanism parts (70, 80) are provided in a rotary expander (60). The first rotary mechanism part (70) is smaller in displacement volume than the second rotary mechanism part (80). A first low-pressure chamber (74) of the first rotary mechanism part (70) and a second high-pressure chamber (83) of the second rotary mechanism part (80) are fluidly connected together by a communicating passageway (64), thereby forming a single expansion chamber (66). High-pressure refrigerant introduced into the first rotary mechanism part (70) expands in the expansion chamber (66). An injection passageway (37) is fluidly connected to the communicating passageway (64). When an motor-operated valve (90) is placed in the open state, high-pressure refrigerant is introduced into the expansion chamber (66) also from the injection passageway (37). This makes it possible to inhibit the drop in power recovery efficiency, even in the condition that causes the actual expansion ratio to fall below the design expansion ratio.

An assembly for sealing the propeller shaft of a ship

Internal axis rotary piston machine with meshing engagement between outer and inner rotors

An internal axis rotary piston machine containing in a housing (2), an outer rotor (26), with which an inner rotor (8) having n engagement parts (9) is in meshing engagement, there being n+1 recesses between engagement parts (34) of the outer rotor (26). The inner rotor (8) and outer rotor (26) rotate uniformly at a speed ratio of (n+1):n. There is contact of the tooth-flank type between inside faces of the outer rotor (26) and outside faces of the inner rotor (8) such that working spaces (66) are formed and move past inlet and outlet orifices (63, 64) of the housing (2). The rotary piston machine is designed in such a way that cost-effective production can be achieved while assuring a simple construction. To achieve this, it is proposed that the housing (2) should have, on the drive side, a bottom (4) formed in one piece and should be made pot-shaped. The bottom (4) has an outer face for a bearing (30) of the outer rotor (26), especially on a ring (28) extending axially into the end of the outer rotor (6).

Patent TW222241B

Refrigerating apparatus and fluid machine therefor

A complex fluid machine has an expansion-compressor device, a pump, and a motor generator, wherein the expansion-compressor device, the pump, and the motor generator are operatively connected and arranged in series, and a power transmitting device for disconnecting the pump from the motor generator, when the expansion-compressor device is driven by the motor generator so as to be operated as a compressor device.

Freezing apparatus, and expander

本发明公开了一种冷冻装置。该冷冻装置构成为由膨胀机构将高压制冷剂的能量作为动力最大限度回收的同时，使膨胀机构的制冷剂吸入量成为可变的。膨胀机构(50)，包括工作排量互不相同的两个旋转机构部(70、80)。这些旋转机构部串联连接，在工作排量小的旋转机构部的汽缸(71)中形成了两个吸入接口(55、56)。在连通于该吸入接口(55、56)的导入管(24、27)上，设置有预节流阀(60)及开关阀(61)。在旁通所述膨胀机构(50)的旁通管(65)上设置有旁通阀(66)。通过控制这些阀(60、61、66)，平衡所述膨胀机构(50)的制冷剂循环量和压缩机构(40)的制冷剂循环量。

Internal axis rotary piston machine

Power regulator for pressure fluid motor

본 발명은, 모터양단의 가용 압력 강하를 효과적으로 감소시킴으로써 모터의 동력 출력을 감소시키는 수단으로서 모터 배기로의 공급된 압력유체의 선택된 부분의 바이패스를 포함하는 유체 파워 모터의 출력 동력을 조정하기 위한 방법과 장치에 관한 것이다.

Screw seal for a ship.

HYDRAULIC PISTON WITH VALVE COOLING AND LUBRICATION JOINT

Le piston hydraulique (1) constitue une chambre hydraulique (5) avec un cylindre (4) et présente un corps cylindrique (6) relié - du côté de ladite chambre (5) - par une liaison-butée de valve (3) à une valve porte-joint de refroidissement et de lubrification (2) laquelle est traversée de part en part par un orifice de calibrage de débit (27), ladite valve (2) pouvant se mouvoir en translation longitudinale sur une faible course par rapport audit corps (6) pour soit entrer en contact avec ce dernier, soit être maintenue à une certaine distance dudit corps (6) par la liaison-butée de valve (3), un ressort de rappel de valve (30) tendant à éloigner ladite valve (2) du corps cylindrique (6). The hydraulic piston (1) constitutes a hydraulic chamber (5) with a cylinder (4) and has a cylindrical body (6) connected - on the side of said chamber (5) - by a valve-stop connection (3) to a a cooling and lubricating seal-holder valve (2) through which a flow calibration orifice (27) passes through, said valve (2) being able to move longitudinally along a short stroke relative to said body ( 6) to be in contact with the latter or to be maintained at a distance from said body (6) by the valve stop link (3), a valve return spring (30) tending to move said valve (2) away from said valve (2). ) of the cylindrical body (6).

Rolling-wheel type expansion machine

在密闭箱体上设有进气管和排气管，密闭箱体内装有气缸(13)，在气缸(13)内装有能偏心转动的滚轮(31)，该滚轮(31)形成与进气口(47)及排气口(55)连通的膨胀室(39)，还有使上述滚轮(31)偏心转动的支撑轴(19)、给膨胀室进气的时间控制装置(51)、以及当进气控制装置使供气被关闭时，能向膨胀室(39)内供给高压气体的供气装置(103)。

Waste heat recovery device

Abwärmenutzungsvorrichtung für einen Verbrennungsmotor, mit einem Clausius-Rankine-Kreis (40) mit einer Pumpe (130a) zum Zirkulieren eines Arbeitsfluids und einer Expansionsvorrichtung (110) zum Erzeugen einer Antriebskraft durch Expandieren des Arbeitsfluids, welches mittels Abwärme von dem Verbrennungsmotor (10) geheizt wird; einem Stromgenerator (120), der durch die an der Expansionsvorrichtung (110) erzeugte Antriebskraft angetrieben werden soll, zum Erzeugen elektrischer Energie; und einer Steuereinheit (400) zum Steuern von Funktionen des Clausius-Rankine-Kreises (40) und des Stromgenerators (120), wobei die Steuereinheit (400) den Betrieb der Pumpe (130a) stoppt, wenn ein Steuersignal für den Stromgenerator (120) aus einem Sollbereich herausfällt, der Stromgenerator (120) einen bürstenlosen Generator mit mehreren Statorwicklungen (U, V, W) aufweist, die Steuereinheit (400) einen Schaltabschnitt (420) mit mehreren Paaren von elektrischen Schaltvorrichtungen (420a–420f) aufweist, wobei jedes Paar eine batterieseitige Schaltvorrichtung (420a–420c) und eine masseseitige Schaltvorrichtung (420d–420f) aufweist, der Betrieb des Stromgenerators (120) durch Einschalten und Ausschalten dieser elektrischen Schaltvorrichtungen (420a–420f) gesteuert wird, wobei die Steuereinheit (400) die masseseitige Schaltvorrichtung (420d–420f) einschaltet, um geschlossene Schaltungen für die jeweiligen Statorwicklungen (U, V, W) zu bilden, nachdem der Betrieb der Pumpe (130a) gestoppt ist, um den Betrieb der Expansionsvorrichtung (110) zu stoppen. A waste heat utilization apparatus for an internal combustion engine, comprising a Rankine cycle (40) having a pump (130a) for circulating a working fluid and an expansion device (110) for generating a driving force by expanding the working fluid heated by waste heat from the internal combustion engine (10) becomes; a power generator (120) to be driven by the driving force generated at the expansion device (110) for generating electric power ...

Hydraulic fluid motor with a power regulator

Power regulator for a pressure fluid motor

A method and device for regulation of the output power of a fluid power motor involving the bypass of a selected portion of the supplied pressure fluid to the motor exhaust as a means of effectively reducing the available pressure drop across the motor and thereby its power output.

Gerotor motor balancing plate structure

Hydraulic piston with valve for maintaining cooling and hydraulic sealing

本发明涉及液压活塞(1)，所述液压活塞(1)与汽缸(4)一起构成液压腔(5)，并且具有圆柱形主体(6)，所述圆柱形主体(6)在所述腔(5)的一侧通过阀止动‑连杆件(3)连接到用于保持冷却和润滑密封的阀(2)，流量校准开口(27)从一侧到另一侧贯穿用于保持冷却和润滑密封的阀(2)，所述阀(2)能够相对于所述主体(6)在短行程内纵向平移或者通过阀止动‑连杆件(3)与所述主体(6)保持一定距离，阀复位弹簧(30)倾向于使所述阀(2)远离圆柱形主体(6)移动。

Rotary type expansion machine

Input power control system of pump in fluid driving apparatus

液压泵输入功率控制系统具有一发动机；由其驱动的多个变量液压泵；根据自身以外至少一台泵的输出压力得到的典型压力求出输入扭矩控制量的第一计算装置；根据第一计算装置得出的值求出各泵输入扭矩的第二计算装置；根据第二计算装置得出的值和自己的输出压力求出各泵的目标排放容量信号的第三计算装置；选择第三计算装置求得的信号和操纵装置求得的相应信号中较小者的选择装置以及根据选择装置选定信号控制各泵斜盘倾角的控制装置。

Screw expander

A screw expander in which a pair of male and female screw rotors engaged with each other are housed in a rotor chamber formed in a casing, an expansion force of a high-pressure gas supplied from an intake flow path to the rotor chamber is converted into a rotational force by the screw rotors and the expanded low-pressure gas is exhausted to an exhaust flow path includes a valve mechanism capable of allowing communication between an intermediate pressure portion, which is a space in the rotor chamber and can be separated from the intake flow path and the exhaust flow path by the screw rotors, and a bypass flow path, to which a high-pressure gas is supplied, and a controller for controlling the valve mechanism in accordance with an operation expansion ratio which is a ratio of a pressure in the intake flow path to a pressure in the exhaust flow path.

Scroll compressor

A scroll compressor according to the present invention includes: a casing; a first scroll which pivots; a second scroll which forms a compression chamber together with the first scroll; a bypass passage which guides a portion of a refrigerant compressed by the compressor such that the portion of the refrigerant is bypassed to a low pressure part of the casing; a valve member which is provided to be slid between a first location at which the bypass passage is closed and a second location at which the bypass passage is opened, and selectively opens and closes the bypass passage; a valve accommodating part which accommodates the valve member such that the valve member is slid between the first location and the second location; a ring-shaped seal member which is provided between an outer peripheral surface of the valve member and an inner peripheral surface of the valve accommodating part; and a seal accommodating recess which is provided on at least one of the outer peripheral surface of the valve member and the inner peripheral surface of the valve accommodating part and into which the seal member is inserted, wherein At least one of the outer peripheral surface of the valve member, the inner peripheral surface of the valve accommodating part, and the inner peripheral surface of the seal accommodating recess may have an inclined surface which is inclined in an opening/closing direction of the valve member.

Freezing apparatus, and expander

本发明公开了一种冷冻装置。该冷冻装置构成为由膨胀机构将高压制冷剂的能量作为动力最大限度回收的同时，使膨胀机构的制冷剂吸入量成为可变的。膨胀机构(50)，包括工作排量互不相同的两个旋转机构部(70、80)。这些旋转机构部串联连接，在工作排量小的旋转机构部的汽缸(71)中形成了两个吸入接口(55、56)。在连通于该吸入接口(55、56)的导入管(24、27)上，设置有预节流阀(60)及开关阀(61)。在旁通所述膨胀机构(50)的旁通管(65)上设置有旁通阀(66)。通过控制这些阀(60、61、66)，平衡所述膨胀机构(50)的制冷剂循环量和压缩机构(40)的制冷剂循环量。

Gerotor motor balancing plate structure

一种摆线装置包括阀调板、平衡板结构，以及定位在阀调板与平衡板结构之间的转子。从阀调板流向转子的高压流体将转子推向平衡板结构。平衡板结构包括平衡板和第二板。在平衡板与第二板之间界定了一个腔。平衡板包括具有止回阀的流体通道且流体经过流体通道以对腔加压。平衡板包括延伸穿过与腔相连的平衡板的第一泄压孔和第二泄压孔。

Scroll type fluid displacement apparatus

용적형 팽창기 및 유체기계

팽창실(62)을 갖는 팽창기구(60)에, 이 팽창실(62)로부터 연락통로(72) 쪽으로의 유체 유출을 억제하는 역류방지기구(80)를 구성시킴으로써, 유통제어기구(73, 75, 76)를 폐쇄한 상태의 운전 시에 팽창실(62)의 사(死)용적을 저감할 수 있도록 한다. 팽창기구, 유체기계, 동력회수, 역류방지기구, 연락통로(바이패스관), 과팽창 손실, 사용적(dead volume)

涡旋膨胀机

提供一种涡旋膨胀机，该涡旋膨胀机一体地具有旁通路及将旁通路打开、关闭的旁通阀，并且能抑制涡旋膨胀机的轴向长度增大。涡旋膨胀机(23)包括：吸入端口(513)，该吸入端口(513)供高压的工作流体流入并将流入的工作流体引导至膨胀室；排出端口(523)，该排出端口(523)供在所述膨胀室中膨胀而成为低压的工作流体流出；旁通路(27)，该旁通路(27)绕过所述膨胀室而将所述吸入端口与所述排出端口连通；以及旁通阀(28)，该旁通阀(28)将所述旁通路打开、关闭，其中，吸入端口(513)、旁通路(27)及用于安装旁通阀(28)的旁通阀安装部(514)形成在定涡盘(51)的基板上。

Fluid circulation system and method for operating same, computer-readable medium, and controller

Provided are a fluid circulation system and a method for operating same, a computer-readable medium, and a controller. The fluid circulation system comprises: a scroll expander, and an external fluid circulation path, which comprises a high-pressure fluid pipe and a low-pressure fluid pipe. The operation method comprises the following steps: before fluid is supplied to the scroll expander, making the fluid pressure in the high-pressure fluid pipe higher than the fluid pressure in the low-pressure fluid pipe by a pre-determined pressure difference; and after the pre-determined pressure difference is realized, starting the scroll expander and supplying fluid to the scroll expander. According to the present disclosure, the technical problem of a scroll expander being unable to be normally started and work can be avoided, and the invention is simple, practical, convenient, and easily implemented.

Scroll compressor

流体机械、使用该流体机械的制冷剂回路及废热利用装置

一种流体机械、使用该流体机械的制冷剂回路及废热利用装置，所述流体机械不仅能实现兰肯回路的异常高压防止及启动性提高，还能实现兰肯回路和装置的小型化及成本降低。废热利用装置(1)具有兰肯回路(4)，兰肯回路(4)具有流体机械(10)。流体机械(10)在罩壳内包括：被从入口端(33)流入的工作流体驱动，以将工作流体排出至出口端(45)的驱动部(22)；使从入口端流入的工作流体流入驱动部的连通路(102)；使从入口端流入的工作流体绕过驱动部而引导至出口端的旁通路(104)；以及进行对来自入口端的工作流体的流入的阻断或阻断解除，并切换连通路与旁通路以入口端与连通路或旁通路与连通的阀机构(106、112、124)。

Fluid circulation system and method for operating same, computer-readable medium, and controller

密封封闭容器孔的密封机构

一种密封封闭容器壳孔的密封机构包括带有螺纹和法兰部分的螺栓。在孔的一端开口处有座部分。在座部分的表面有防转部分。而垫圈置于座部分。垫圈用较壳软的金属制造。垫圈藉固定螺栓变形并与防转部分啮合，当其接触法兰部分时防止旋转。因此垫圈的内端面在座部分面上不摩擦。两表面之间的密封因此得以保持。

Positive displacement expander and fluid machinery

유체 순환 시스템 및 이를 동작하기 위한 방법, 컴퓨터 판독 가능 매체, 및 제어기

유체 순환 시스템 및 그 동작 방법, 컴퓨터 판독 가능 매체, 및 제어기가 제공된다. 유체 순환 시스템은 와동 팽창 기계(1), 및 외부 유체 순환 경로(11)를 포함하고, 외부 유체 순환 경로는 유체를 와동 팽창 기계에 공급하기 위한 고압 유체 파이프(171), 및 유체를 와동 팽창 기계로부터 전달하기 위한 저압 유체 파이프(181)를 포함한다. 동작 방법은 이하의 단계, 즉 유체가 와동 팽창 기계에 공급되기 전에, 단계 미리결정된 압력차에 도달할 수 있도록 고압 유체 파이프 내의 유체 압력을 저압 유체 파이프 내의 유체 압력보다 높게 하는 단계를 포함하는 압력차를 구축하는 단계, 및 압력차를 구축하는 단계에 의해 미리결정된 압력차가 실현된 후에, 와동 팽창 기계를 시작하고, 유체를 와동 팽창 기계에 공급하는 단계를 포함하는 와동 팽창 기계를 시작하는 단계를 포함한다. 본 개시내용의 유체 순환 시스템 및 그 동작 방법, 컴퓨터 판독 가능 매체 및 제어기에 따르면, 정상적으로 시작 및 작동할 수 없는 와동 팽창 기계의 기술적 문제가 방지될 수 있으며, 본 발명은 단순하고, 실용적이며, 편리하고, 용이하게 구현된다.

유체 순환 시스템 및 이를 동작하기 위한 방법, 컴퓨터 판독 가능 매체, 및 제어기

유체 순환 시스템 및 그 동작 방법, 컴퓨터 판독 가능 매체, 및 제어기가 제공된다. 유체 순환 시스템은 와동 팽창 기계(1), 및 외부 유체 순환 경로(11)를 포함하고, 외부 유체 순환 경로는 유체를 와동 팽창 기계에 공급하기 위한 고압 유체 파이프(171), 및 유체를 와동 팽창 기계로부터 전달하기 위한 저압 유체 파이프(181)를 포함한다. 동작 방법은 이하의 단계, 즉 유체가 와동 팽창 기계에 공급되기 전에, 단계 미리결정된 압력차에 도달할 수 있도록 고압 유체 파이프 내의 유체 압력을 저압 유체 파이프 내의 유체 압력보다 높게 하는 단계를 포함하는 압력차를 구축하는 단계, 및 압력차를 구축하는 단계에 의해 미리결정된 압력차가 실현된 후에, 와동 팽창 기계를 시작하고, 유체를 와동 팽창 기계에 공급하는 단계를 포함하는 와동 팽창 기계를 시작하는 단계를 포함한다. 본 개시내용의 유체 순환 시스템 및 그 동작 방법, 컴퓨터 판독 가능 매체 및 제어기에 따르면, 정상적으로 시작 및 작동할 수 없는 와동 팽창 기계의 기술적 문제가 방지될 수 있으며, 본 발명은 단순하고, 실용적이며, 편리하고, 용이하게 구현된다.

流体循环系统及其操作方法、计算机可读介质和控制器

本公开提供一种流体循环系统及其操作方法、计算机可读介质和控制器。该流体循环系统包括：涡旋膨胀机（1）；以及外部流体循环路径（11），其包括用以向涡旋膨胀机供送流体的高压流体管（171）以及用以输送来自涡旋膨胀机的流体的低压流体管（181）。该操作方法包括如下步骤：建立压差的步骤，在向涡旋膨胀机供送流体之前，使得高压流体管中的流体压力高于低压流体管中的流体压力达预定压差；以及启动涡旋膨胀机的步骤，在通过建立压差的步骤而实现预定压差后，启动涡旋膨胀机并向涡旋膨胀机供送流体。根据本公开的流体循环系统及其操作方法、计算机可读介质和控制器能够避免涡旋膨胀机无法正常启动和工作的技术问题，并且简单实用、便利且易于实施。

Fluid circulation system and method for operating same, computer-readable medium, and controller

Provided are a fluid circulation system and a method for operating same, a computer-readable medium, and a controller. The fluid circulation system comprises: a scroll expander, and an external fluid circulation path, which comprises a high-pressure fluid pipe and a low-pressure fluid pipe. The operation method comprises the following steps: before fluid is supplied to the scroll expander, making the fluid pressure in the high-pressure fluid pipe higher than the fluid pressure in the low-pressure fluid pipe by a pre-determined pressure difference; and after the pre-determined pressure difference is realized, starting the scroll expander and supplying fluid to the scroll expander. According to the present disclosure, the technical problem of a scroll expander being unable to be normally started and work can be avoided, and the invention is simple, practical, convenient, and easily implemented.

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Oscillatory rotary engine

An oscillatory rotary engine comprising a toroidal housing having an intake port and an exhaust port. The housing supports an output shaft and a plurality of stacked rotors are disposed within the housing and coupled to the output shaft. Each rotor includes a plurality of pistons disposed in spaced relation to each other about a circumference of the rotor. A resilient coupler connects the rotors to the output shaft. Preferably, the coupler comprises a plurality of nested spiral cuts extending through the rotor. Each piston may include a pawl that is operative to engage ratchets located around the housing, thereby allowing rotation of each rotor in only one direction. The oscillatory rotary engine may further include a compression bypass port that is operative to relieve intake air pressure during compression, whereby the engine has a compression ratio that is less than its expansion ratio.

流体机械、使用该流体机械的制冷剂回路及废热利用装置

一种流体机械、使用该流体机械的制冷剂回路及废热利用装置，所述流体机械不仅能实现兰肯回路的异常高压防止及启动性提高，还能实现兰肯回路和装置的小型化及成本降低。废热利用装置(1)具有兰肯回路(4)，兰肯回路(4)具有流体机械(10)。流体机械(10)在罩壳内包括：被从入口端(33)流入的工作流体驱动，以将工作流体排出至出口端(45)的驱动部(22)；使从入口端流入的工作流体流入驱动部的连通路(102)；使从入口端流入的工作流体绕过驱动部而引导至出口端的旁通路(104)；以及进行对来自入口端的工作流体的流入的阻断或阻断解除，并切换连通路与旁通路以入口端与连通路或旁通路与连通的阀机构(106、112、124)。

流体機械

【課題】流体機械において、加工が複雑化することを抑制し、かつ、軸方向長さの拡大を抑制しつつ、バイパス路及びバイパス路を開閉する弁機構を一体的に備えることができるようにする。 【解決手段】高圧の加熱蒸気となった作動流体が流入する吸入ポート５５を備えたケーシング部５６と、吐出ポート５３を備えたハウジング部５４と、吸入ポート５５から吸入した作動流体によって駆動され、低圧となった作動流体を吐出ポート５３に吐出する駆動部（スクロール５１，５２）とを有する流体機械において、吸入ポート５５から吸入される作動流体を駆動部（スクロール５１，５２）を迂回して吐出ポート５３に導くバイパス路８１が形成されると共に、バイパス路８１を開閉する弁機構８３を備えたバイパス部８０を、ケーシング部５６とハウジング部５４との間に挟持する。 【選択図】図２

流体機械、当該流体機械を用いた冷媒回路及び廃熱利用装置

【課題】　ランキン回路の異常高圧防止及び起動性向上を図りながら、ランキン回路、ひいては装置の小型化及びコスト低減を実現することができる流体機械、当該流体機械を用いた冷媒回路及び廃熱利用装置を提供する。 【解決手段】　廃熱利用装置(1)はランキン回路(4)を有し、ランキン回路(4)は流体機械(10)を有する。流体機械(10)は、入口ポート(33)から流入される作動流体により駆動され、作動流体を出口ポート(45)に吐出する駆動部(22)と、入口ポートから流入される作動流体を駆動部に流入させる連通路(102)と、入口ポートから流入される作動流体を駆動部を迂回して出口ポートに導くバイパス路(104)と、入口ポートからの作動流体の流入の遮断または遮断解除を行うとともに、連通路とバイパス路とを切り換えて連通させる弁機構(106,112,124)とをハウジング内に備える。

Schneckenexpander

Geschaffen wird ein Schneckenexpander, der integriert einen Bypass-Durchgang und ein Bypass-Ventil aufweist, das dafür ausgelegt ist, den Bypass-Durchgang zu öffnen und zu schließen, ohne dass die Länge in der Wellenrichtung des Schneckenexpanders so sehr vergrößert wird. Ein Schneckenexpander 23 weist folgende Merkmale auf: eine Saugöffnung 513, die den Eintritt eines Hochdruckstroms eines Arbeitsfluids ermöglicht und die den eintretenden Strom des Arbeitsfluids in eine Expansionskammer leitet; eine Abgabeöffnung 523, die es ermöglicht, dass das in der Expansionskammer auf einen niedrigeren Druck expandierte Arbeitsfluid herausfließt; einen Bypass-Durchgang 27, durch den die Saugöffnung 513 mit der Abgabeöffnung 523 in Verbindung steht, wobei die Expansionskammer umgangen wird; und ein Bypass-Ventil 28, das dafür ausgelegt ist, den Bypass-Durchgang 27 zu öffnen und zu schließen, wobei die Saugöffnung 513, der Bypass-Durchgang 27 und ein Bypass-Ventil-Befestigungsabschnitt 514 für eine Befestigung des Bypass-Ventils 28 in einer Grundplatte der feststehenden Schneckeneinrichtung 51 ausgebildet sind.

Oscillatory rotary engine

An oscillatory rotary engine comprising a toroidal housing having an intake port and an exhaust port. The housing supports an output shaft and a plurality of stacked rotors are disposed within the housing and coupled to the output shaft. Each rotor includes a plurality of pistons disposed in spaced relation to each other about a circumference of the rotor. A resilient coupler connects the rotors to the output shaft. Preferably, the coupler comprises a plurality of nested spiral cuts extending through the rotor. Each piston may include a pawl that is operative to engage ratchets located around the housing, thereby allowing rotation of each rotor in only one direction. The oscillatory rotary engine may further include a compression bypass port that is operative to relieve intake air pressure during compression, whereby the engine has a compression ratio that is less than its expansion ratio.

Gas pressure reduction generator

A Gas Pressure Reduction Generator (GPRG) System and a method for implementing a GPRG System is provided, in which the GPRG System includes (i) a gas inlet configured to receive a pressurized gas flow from a gas supply, (ii) at least one expander in flow communication with the gas inlet to receive the pressurized gas flow, wherein the expander is operable to convert the pressurized gas flow into mechanical energy and a depressurized gas flow, and (iii) a generator associated with the expander, wherein the generator is configured to convert the mechanical energy into electrical energy. In some embodiments, the pressurized gas flow can be a pressurized natural gas flow.

涡旋膨胀机

提供一种涡旋膨胀机，该涡旋膨胀机一体地具有旁通路及将旁通路打开、关闭的旁通阀，并且能抑制涡旋膨胀机的轴向长度增大。涡旋膨胀机(23)包括：吸入端口(513)，该吸入端口(513)供高压的工作流体流入并将流入的工作流体引导至膨胀室；排出端口(523)，该排出端口(523)供在所述膨胀室中膨胀而成为低压的工作流体流出；旁通路(27)，该旁通路(27)绕过所述膨胀室而将所述吸入端口与所述排出端口连通；以及旁通阀(28)，该旁通阀(28)将所述旁通路打开、关闭，其中，吸入端口(513)、旁通路(27)及用于安装旁通阀(28)的旁通阀安装部(514)形成在定涡盘(51)的基板上。

스크류 팽창기

케이싱 내에 형성된 로터실에 서로 맞물리는 암수형 한 쌍의 스크류 로터를 수용하고, 급기 유로로부터 로터실에 공급되는 고압의 기체의 팽창력을 스크류 로터에 의해 회전력으로 변환하고, 배기 유로에 팽창된 저압의 기체를 배기하는 스크류 팽창기에 있어서, 로터실 내의 공간이며, 급기 유로 및 배기 유로로부터 스크류 로터에 의해 격리될 수 있는 중간 압력부와, 고압의 기체가 공급되는 바이패스 유로를 연통시킬 수 있는 밸브 기구와, 급기 유로 압력의 배기 유로 압력에 대한 비인 운전 팽창비에 따라, 밸브 기구를 제어하는 제어 수단을 설치한다.

流体機械

　本発明は、高圧の加熱蒸気となった作動流体が流入する吸入ポート５５を備えたケーシング部５６と、吐出ポート５３を備えたハウジング部５４と、吸入ポート５５から吸入した作動流体によって駆動され、低圧となった作動流体を吐出ポート５３に吐出するスクロール５１，５２とを有する流体機械（２９Ａ）に関する。流体機械（２９Ａ）において、スクロール５１，５２を迂回させて作動流体を吐出ポート５３に導くバイパス路８１とバイパス路８１を開閉する弁機構８３を備えたバイパス部８０を、ケーシング部５６とハウジング部５４との間に挟持してある。弁機構８３は、弁体を回転軸２８の径方向に変位させる電磁弁であり、コイル８３ｄの収容部分をケーシング部５６及びハウジング部５４の外部に露出させる。これにより、加工が複雑化することを抑制し、かつ、軸方向長さの拡大を抑制しつつ、バイパス部８０を一体的に備えることができる。

Oscillatory Rotary Engine

An oscillatory rotary engine comprising a toroidal housing having an intake port and an exhaust port. The housing supports an output shaft and a plurality of stacked rotors are disposed within the housing and coupled to the output shaft. Each rotor includes a plurality of pistons disposed in spaced relation to each other about a circumference of the rotor. A resilient coupler connects the rotors to the output shaft. Preferably, the coupler comprises a plurality of nested spiral cuts extending through the rotor. Each piston may include a pawl that is operative to engage ratchets located around the housing, thereby allowing rotation of each rotor in only one direction. The oscillatory rotary engine may further include a compression bypass port that is operative to relieve intake air pressure during compression, whereby the engine has a compression ratio that is less than its expansion ratio.

旋转式膨胀机

本发明提供一种旋转式膨胀机(60)，该旋转式膨胀机设置有2个旋转机构部(70、80)。第1旋转机构部(70)的排出容积比第2旋转机构部(80)的排出容积小。第1旋转机构部(70)的第1低压室(74)和第2旋转机构部(80)的第2高压室(83)通过连通路(64)始终连通，构成一个膨胀室(66)。导入到第1旋转机构部(70)中的高压制冷剂在膨胀室(66)内膨胀。注入通路(37)连接到连通路(64)。当打开电动阀(90)时，高压制冷剂也从注入通路(37)导入到膨胀室(66)中。由此，即使在实际的膨胀比变得比设计膨胀比小的条件下，也可以抑制动力回收的效率降低。

Dispositif d'étanchéité compensant la pression, obtenu par des disques glissants et applicable à des machines quelconques

密封封闭容器孔的密封机构

一种密封封闭容器壳孔的密封机构包括带有螺纹和法兰部分的螺栓。在孔的一端开口处有座部分。在座部分的表面有防转部分。而垫圈置于座部分。垫圈用较壳软的金属制造。垫圈藉固定螺栓变形并与防转部分啮合，当其接触法兰部分时防止旋转。因此垫圈的内端面在座部分面上不摩擦。两表面之间的密封因此得以保持。

内轴式旋转活塞机

一种内轴式旋转活塞机，在壳体中有一个外转子，具有n个啮合部分的内转子与之啮合，在外转子的啮合部分之间有(n+1)个缺口。内转子和外转子以转速比(n+1)∶n均匀地旋转。在外转子的内侧表面和内转子的侧面之间，构成了工作容积，它们经壳体的进排气孔而运动。壳体在驱动端有一个与之形成整体的底部，壳体为罐状。在外转子端部的环上，有一个安装轴承的外表面。

锅炉钢珠除灰装置

本发明是一种锅炉钢珠除灰装置。现有的锅炉钢珠除灰装置中存在着一个较普遍的缺点，就是设在烟道外或烟道内露点以下温度处的储珠斗中，钢珠遇水易锈结成块，即便是只锈成核桃大小的结块，也足以堵塞喷嘴或其它出口，造成除灰中断。而且据调查分析，钢珠中的水一般不易消除。本发明的特征是：在锅炉温度达露点以上700℃以下的空间位置处，设置了一套钢珠不易生锈的储珠设备，同时为实现钢珠除灰的自动化创造了条件。

液压泵输入功率控制系统

液压泵输入功率控制系统具有一发动机；由其驱动的多个变量液压泵；根据自身以外至少一台泵的输出压力得到的典型压力求出输入扭矩控制量的第一计算装置；根据第一计算装置得出的值求出各泵输入扭矩的第二计算装置；根据第二计算装置得出的值和自己的输出压力求出各泵的目标排放容量信号的第三计算装置；选择第三计算装置求得的信号和操纵装置求得的相应信号中较小者的选择装置以及根据选择装置选定信号控制各泵斜盘倾角的控制装置。

船的螺旋桨轴的密封结构

一种船螺旋浆轴的用于密封海水和润滑剂室的装置，是由多道密封组成的，同时，在两个密封环之间总是留出一个环形室，该环形室通过一个输入管通入一种压缩气体，特别是通入压缩空气，其特征在于，在进气的环形室中接上一个排出管以及在环形室中配置一个与其刚性连接的刮油器，该刮油器如此设计，即它可刮去粘附在轴上的润滑剂并把它导入环形室下部。

流体循环系统及其操作方法、计算机可读介质和控制器

本发明提供一种流体循环系统及其操作方法、计算机可读介质和控制器，流体循环系统包括：涡旋膨胀机；以及外部流体循环路径，包括用以向涡旋膨胀机供送流体的高压流体管以及用以输送来自涡旋膨胀机的流体的低压流体管，操作方法包括如下步骤：建立压差的步骤：在向涡旋膨胀机供送流体之前，使得高压流体管中的流体压力高于低压流体管中的流体压力达预定压差；以及启动涡旋膨胀机的步骤：在通过建立压差的步骤而实现预定压差后，启动涡旋膨胀机并向涡旋膨胀机供送流体，根据本发明的流体循环系统及其操作方法、计算机可读介质和控制器能够避免涡旋膨胀机无法正常启动和工作的技术问题，并且简单实用、便利且易于实施。

具有用于保持冷却和液压密封的阀的液压活塞

本发明涉及液压活塞(1)，所述液压活塞(1)与汽缸(4)一起构成液压腔(5)，并且具有圆柱形主体(6)，所述圆柱形主体(6)在所述腔(5)的一侧通过阀止动‑连杆件(3)连接到用于保持冷却和润滑密封的阀(2)，流量校准开口(27)从一侧到另一侧贯穿用于保持冷却和润滑密封的阀(2)，所述阀(2)能够相对于所述主体(6)在短行程内纵向平移或者通过阀止动‑连杆件(3)与所述主体(6)保持一定距离，阀复位弹簧(30)倾向于使所述阀(2)远离圆柱形主体(6)移动。

Scroll compressor having a back pressure chamber assembly disposed on a fixed scroll plate and an elastic member disposed between a floating plate and a discharge cover

A scroll compressor is provided that may include a casing including a rotational shaft, a discharge cover fixed inside of the casing to partition the inside of the casing into a suction space and a discharge space, a first scroll that is revolved by rotation of the rotational shaft, a second scroll that defines a plurality of compression chambers together with the first scroll, the second scroll having an intermediate pressure discharge hole that communicates with a compression chamber having an intermediate pressure of the plurality of compression chambers, a back pressure plate that defines a back pressure chamber that accommodates a refrigerant discharged from the intermediate pressure discharge hole, a floating plate movably disposed on or at a side of the back pressure plate to define the back pressure chamber together with the back pressure plate, and an elastic member disposed between the floating plate and the discharge cover to provide an elastic force to the floating plate.