MODULE FOR MANAGING MASS FLOW AND DAMPENING PRESSURE PULSATIONS IN A GASEOUS FUEL SUPPLY LINE

The module for managing mass flow and dampening pressure pulsations in the supply line of a gaseous fuelled internal combustion engine comprises a hollow body defining an expanded volume that is fluidly connected directly to a pressure sensor and a temperature sensor. The module is placed along the supply line of a gaseous fuel engine between a fuel pressure increasing device and the fuel rail that supplies fuel to the engine. The module can comprise a filter that filters the impurities from the gaseous fuel supplied to the engine and an overpressure protection device that can vent some of the gaseous fuel from the module to protect it for over-pressurization.

DAMPING DEVICE

Ce dispositif d'amortissement (1) comprend un corps (4) définissant une chambre (6) et présentant au moins un orifice (8, 10) destiné à l'entrée et à la sortie du fluide dans la chambre (6). Le dispositif d'amortissement (1) comprend en outre i) un organe d'amortissement (14) situé dans la chambre (6) et comprenant au moins une mousse à cellules fermées, et ii) un organe de maintien (16) configuré pour maintenir en place l'organe d'amortissement (14). This damping device (1) comprises a body (4) defining a chamber (6) and having at least one orifice (8, 10) for the entry and exit of the fluid into the chamber (6). The damping device (1) further comprises i) a damping member (14) located in the chamber (6) and comprising at least one closed-cell foam, and ii) a holding member (16) configured to maintain in place the damping member (14).

Novel device for monitoring, possibly adjusting, fluid flow rates, particularly extremely low ones, particularly making it possible to provide very precise quantities, particularly very small quantities, of fluid

Device for adjusting fluid flow rates, including a path length which can possibly be adjusted between an inlet (1) and an outlet (2), characterised in that it comprises, in combination, at least two flat cooperating pieces (4, 5) in contact via a plane face, overall, and, hollowed out between these two pieces in the plane face of at least one of the two pieces, a channel (6), the length of which is greater than twice the periphery of each of these two pieces.

DISPOSITIF DISSIPATEUR D'ENERGIE A CHICANES ET CAVITES A EFFET TOURBILLONNAIRE

L'INVENTION CONCERNE UN DISPOSITIF DISSIPATEUR DE L'ENERGIE D'UN FLUIDE CONSTITUE D'UN CANAL EQUIPE DE PAROIS ET DE CHICANES DE FORMES SPECIFIQUES CREANT AINSI DES CAVITES OU L'ECOULEMENT DEVIENT TOURBILLONNAIRE. LE CANAL EST FORME PAR DES PAROIS 11, DES CHICANES 5 DONT LA CONCAVITE 12 OU LA FACETTE 7 RENVOIE L'ECOULEMENT VERS L'ARRIERE ET FERME LA CAVITE TOURBILLONNAIRE 10. L'ENERGIE SE DISSIPE DANS LE TOURBILLON ET UNE PARTIE DE L'ECOULEMENT PASSE D'UNE CAVITE A LA SUIVANTE. LE DOMAINE PRIVILEGIE DE L'APPLICATION DE L'INVENTION EST L'IRRIGATION PAR GOUTTE A GOUTTE POUR LES LIMITEURS DE DEBIT.

DEVICE FOR PROVIDING A CONTROLLABLE PRESSURE REDUCTION

Integral fluid filter and capillary

A comb filter (16) including a first plurality of generally parallel grooves (24) and a capillary (18) including a second groove (30) connected to the first plurality of grooves are integrally formed in a substrate (10) such as by selective etching a surface of a semiconductor substrate. A cover (14) is affixed to the surface (12) and covers the etched grooves (24, 28, 30). An input line (33) is connected to the filter (16) and an output line (35) is connected to the capillary (18). A second comb filter (20) can be included in the output line.

A PULSATION DAMPER SUITABLE FOR HYGIENIC PROCESSING LINES

A pulsation damper (702) configured to reduce pressure variations in a pipe system. The pulsation damper (702) comprises a first pipe section (704) and a second pipe section (706). The first pipe section (704) is at least partly placed inside said second pipe section (706) such that a product flow can flow through said first pipe section (704) and then through a space formed between said first pipe section (704) and said second pipe section (706). Due to the increased cross sectional area of the second pipe section (706) pressure variations can be damped efficiently.

Dampening device

This dampening device comprises a body defining a chamber and presenting at least one orifice intended for the inlet and the outlet of the fluid in the chamber. The dampening device further comprises i) a dampening member located in the chamber and comprising at least one foam with closed cells, and ii) a holding member configured to hold the dampening member in place. The dampening device being characterized in that at least one foam has a porosity comprised between 50% and 98%.

PRESSURE-PULSATION-DAMPING FLUID SUPPLY CONDUIT

Pneumatic restrictor

A pneumatic restrictor, in particular for installation on the intake side of electro-pneumatic converters, is suggested, characterised by a flow channel (1) of rectangular cross-section which is composed of a plurality of short, straight channel sections (2) which are arranged in the flow direction in such a manner that the middle axes of two successive channel sections (2) are at an angle of more than 10 DEG and the flow-inside walls (3) of the channel section meet at the same angle with sharp edges. ...

LINE TO ZUFUHRUNG OF DRUCKPULSATIONSDAMPFUNGSFLUID

MODULE FOR MANAGING MASS FLOW AND DAMPENING PRESSURE PULSATIONS IN A GASEOUS FUEL SUPPLY LINE

The module for managing mass flow and dampening pressure pulsations in the supply line of a gaseous fuelled internal combustion engine comprises a hollow body defining an expanded volume that is fluidly connected directly to a pressure sensor and a temperature sensor. The module is placed along the supply line of a gaseous fuel engine between a fuel pressure increasing device and the fuel rail that supplies fuel to the engine. The module can comprise a filter that filters the impurities from the gaseous fuel supplied to the engine and an overpressure protection device that can vent some of the gaseous fuel from the module to protect it for over-pressurization.

DISPOSITIF ET SYSTEME D'INSONORISATION POUR INSTALLATIONS A CIRCULATION DE FLUIDE

L'INVENTION A TRAIT A UN DISPOSITIF ET A UN SYSTEME D'INSONORISATION POUR INSTALLATIONS A CIRCULATION DE FLUIDE. ELLE A POUR OBJET UN DISPOSITIF SE COMPOSANT DE GUIDES D'ONDES ACOUSTIQUES ELEMENTAIRES DANS LESQUELS LES CONDITIONS DE LA PRESSION ACOUSTIQUE ET DE LA VITESSE DES PARTICULES NE SONT PAS LIMITEES A LA PRISE EN CONSIDERATION D'UNE VALEUR CARACTERISTIQUE D'IMPEDANCE, MAIS DE QUATRE VALEURS FONCTIONS DE LA FREQUENCE, C'EST-A-DIRE DES PARAMETRES QUADRIPOLAIRES ACOUSTIQUES. LES GUIDES D'ONDE ELEMENTAIRES, QUI SONT NOTAMMENT DES CHAMBRES OUVERTES A LEURS EXTREMITES DE MEME SECTION ET DE LONGUEUR DONNEE, NE REPRESENTENT AINSI NI UNE MASSE ACOUSTIQUE, NI UNE CAPACITE ACOUSTIQUE DE NATURE DIFFERENTE, MAIS LEUR REPONSE EN FREQUENCE EST EXCLUSIVEMENT DETERMINEE PAR LES RAPPORTS ENTRE LEURS PARAMETRES QUADRIPOLAIRES. APPLICATION NOTAMMENT A L'INSONORISATION D'INSTALLATIONS INDUSTRIELLES.

Apparatus for damping a pulsation of a fluid conveyed through a conveying device

Apparatus damps pulsations of a fluid conveyed through a conveying device. The fluid is led by way of a first tubular element into a cavity formed by a flexible element and emerges from the cavity by way of a second tubular element. The tubular elements are arranged within the cavity in the flexible element. The length of each of the individual tubular elements is less than the length of the cavity; however, the sum of the lengths of the tubular elements is greater than the length of the cavity.

Vorrichtung zum Verschluss von Rohrleitungen bei Explosionen

Silencer for pipe-line - has expansion spaces with offset pipes separated by plates of different lengths

FLOW CAGE ASSEMBLIES

Apparatus, systems and methods for implementing flow cages and flow cage assemblies in association with high pressure fluid flows and fluid valves are provided. Flow cages and flow assemblies are provided to dissipate the energy of a fluid flow, such as by reducing fluid flow pressure and/or fluid flow velocity. In some embodiments the dissipation of the fluid flow energy is adapted to reduce erosion, such as from high-pressure jet flows, to reduce cavitation, such as by controllably increasing the flow area, and/or to reduce valve noise associated with pressure surge.

FLUID PIPE DEVICE

A fluid pipe device is provided, which includes a pipe member forming a flow channel for flowing a fluid; a heating member for generating heat to heat the pipe member; a metal heat transfer member abutting against the heating member and conducting the heat to the pipe member; and a terminal member electrically connecting the heating member and the heat transfer member. The heat transfer member includes a first heat transfer member and a second heat transfer member, and at least one of the first heat transfer member and the second heat transfer member forms the terminal member at one portion, and the first heat transfer member is provided in the pipe member in such a way as not to be exposed inside the flow channel of the pipe member. 1. A fluid pipe device , comprising:a pipe member forming a flow channel for flowing a fluid;a heating member for generating heat to heat the pipe member;a metal heat transfer member abutting against the heating member and conducting heat to the pipe member; anda terminal member electrically connecting the heating member and heat transfer member,wherein the heat transfer member comprises a first heat transfer member and a second heat transfer member, and at least one of the first heat transfer member and second heat transfer member forms the terminal member at one portion, and the first heat transfer member is provided in the pipe member not to be exposed inside the flow channel of the pipe member.2. A fluid pipe device according to claim 1 , wherein the first heat transfer member is integrated with the pipe member by insert molding.3. A fluid pipe device according to claim 1 , wherein the heating member includes a PTC element having a flat plate shape claim 1 , and the first heat transfer member and/or second heat transfer member includes a portion abutting against an electrode of the PTC element formed in a flat portion.4. A fluid pipe device according to claim 3 , wherein the PTC element is clamped by the first heat transfer member ...

Pulsation damper suitable for hygienic processing lines

A pulsation damper configured to reduce pressure variations in a pipe system. The pulsation damper comprises a first pipe section and a second pipe section. The first pipe section is at least partly placed inside the second pipe section such that a product flow can flow through the first pipe section and then through a space formed between the first pipe section and the second pipe section. Due to the increased cross sectional area of the second pipe section pressure variations can be damped efficiently.

Pulsationsdaempfer fuer Stroemungsmittel

DEVICE DEPRIMOGENE COMPACT BENDS

Le dispositif déprimogène (10) est destiné à équiper un circuit de fluide, et comprend un circuit interne (16) dans lequel le fluide est destiné à circuler, le circuit interne (16) s'étendant entre une portion d'entrée (18) et une portion de sortie (20). Le circuit interne (16) comporte une pluralité de coudes (23) agencés en série.

sound duct pulsation of pressure supply fluid

PNEUMATIC RESTRICTOR

Pulsation Damper for fluid currents

1,182,032. Silencers for gaseous currents. W.S. EVERETT. June 24, 1968 [Oct.10, 19671, No. 30001/68. Heading F1B. [Also in Division G3] In a silencer for gaseous currents comprising a shell 10 divided by partitions 15, 16 into an inlet chamber 17, an outlet chamber 18 and a central chamber 19, with a tube 20 passing from chamber 17 to chamber 19, a tube 21 passing from chamber 19 to chamber 18, and a tube 22 passing from chamber 17 to chamber 18, the inlet opening 13 is covered by a cylinder 24 having small perforations 25 the total cross-sectional area of which is preferably at least equal to the crosssectional area of the inlet opening. Fluid entering the inlet opening 13 impinges on the curved closed end of the cylinder 24 and is diverted through the perforations 25, the dominant frequencies of fluidborne noises being thereby increased so that the subsequent parts of the silencer can attenuate the noises more effectively.

Device for reducing or adjusting gas pressures

... 185,366. Weil, C. R., Robinson, F., and Gould, A. J. Jan. 17, 1922. Fluids, regulating volume of flow or pressure of.-A gas-pressure reducing-device comprises a two-part cylindrical casing a, b provided with means a<1>, b<1> for coupling it in a pipe line and fitted internally with a tubular member d<1> having a small hole e in its hemispherical end. Concentric with and surrounding the member d<1> is a second similarly-shaped member h but without an aperture screwed into a perforated baffle-plate g so as to leave an exterior annular passage. The plate g is secured in position by lugs engaged by recesses in the part b.

Energy-dissipating device with baffles and cavities having a swirling effect

The invention relates to a device for dissipating the energy of a fluid, consisting of a channel equipped with walls and baffles of specific shapes, thus creating cavities where the flow becomes swirling. The channel is formed by walls 11, baffles 5 the concavity 12 or facet 7 of which sends the flow backwards and closes the swirling cavity 10. The energy is dissipated in the swirl and part of the flow passes from one cavity to the next. The favoured field of the application of the invention is drop-by-drop irrigation for flow rate limiters.

Schwingungsdämpfer für ein hydraulisches Kupplungssystem

Die vorliegende Erfindung betrifft einen Schwingungsdämpfer (10) für ein hydraulisches Betätigungssystem einer Fahrzeugkupplung, welcher ein Gehäuse (12) mit einer Durchgangskammer (14) aufweist, wobei die Durchgangskammer (14) durch einen ersten Hydraulikanschluss (16) und einen zweiten Hydraulikanschluss (18) als Teil einer hydraulischen Strecke des hydraulischen Betätigungssystems ausbildbar ist, wobei der erste Hydraulikanschluss (16) Teil eines Gehäusedeckels (24) zum Verschließen des Gehäuses (12) ist, wobei der Gehäusedeckel (24) ein erstes Bauteil (26) und ein zweites Bauteil (28) aufweist, wobei das erste Bauteil (26) den ersten Hydraulikanschluss (16) mit einer durch das erste Bauteil (26) verlaufenden Bohrung (30) zum Führen von Hydraulikflüssigkeit von der Durchgangskammer (14) zu einem Ausgang des ersten Hydraulikanschlusses (16) aufweist und gegen das Gehäuse (12) abgedichtet ist, und wobei das zweite Bauteil (28) das erste Bauteil (26) fixierend an dem Gehäuse (12) fixiert ...

DEVICE DEPRIMOGENE COMPACT BENDS

Le dispositif déprimogène (10) est destiné à équiper un circuit de fluide, et comprend un circuit interne (16) dans lequel le fluide est destiné à circuler, le circuit interne (16) s'étendant entre une portion d'entrée (18) et une portion de sortie (20). Le circuit interne (16) comporte une pluralité de coudes (23) agencés en série. The pressure reducing device (10) is intended to equip a fluid circuit, and comprises an internal circuit (16) in which the fluid is intended to circulate, the internal circuit (16) extending between an input portion (18) and an output portion (20). The internal circuit (16) has a plurality of bends (23) arranged in series.

DAMPING DEVICE

NEW CONTROL DEVICE, OPTIONALLY ADJUSTING, FLOW RATES OF FLUIDS, IN PARTICULAR EXTREMELY LOW, PARTICULARLY FOR PROVIDING VERY PRECISE QUANTITIES, PARTICULARLY VERY SMALL, FLUID.

Pulsation Damper for fluid currents

SCHALLDAEMPFENDE EINRICHTUNG UND SCHALLDAEMPFENDES SYSTEM FUER STROEMUNGSTECHNISCHE ANLAGEN

Fluid flow

The invention relates to means of suppressing pressure pulsation in fluid flow through a flexible pipe. It features a rigid enclosure 300 which is secured in an in-line configuration to an end fitting 305 of a flexible pipe 310 via a connector 335, and aligns the bores of the housing with that of the flexible pipe. The bore 370 of the housing comprises a cylindrical wall which features a plurality of openings and an attenuation region, which can contain absorber material, such as rock wool, fibreglass or steel wool, or a reactive attenuator which alters the phase of the fluid exiting the attenuator to cancel the pulsations. The cylindrical wall can further comprises a foraminous cylindrical inner wall of an insert 360 which has an outer wall coaxial with the inner wall, and is aligned with the through bore 370. The insert can comprise a plurality of spacer members.

ARRANGEMENT FOR PROVIDING CONTROLLED PRESSURE REDUCTION

Fluid flow

Fluid pipe device

A fluid pipe device is provided, which includes a pipe member forming a flow channel for flowing a fluid; a heating member for generating heat to heat the pipe member; a metal heat transfer member abutting against the heating member and conducting the heat to the pipe member; and a terminal member electrically connecting the heating member and the heat transfer member. The heat transfer member includes a first heat transfer member and a second heat transfer member, and at least one of the first heat transfer member and the second heat transfer member forms the terminal member at one portion, and the first heat transfer member is provided in the pipe member in such a way as not to be exposed inside the flow channel of the pipe member.

Vorrichtung zur Schwingungsdämpfung eines durch eine Transportvorrichtung geleiteten Fluids

Device for providing a controllable pressure reduction

The present invention relates to a device for providing a controllable pressure reduction between a first fluid conducting pipe (1) and a second fluid conducting pipe (2). The device (10) comprises a fluid inlet (11) in fluid communication with the first fluid conducting pipe (1), and a fluid outlet (12) in fluid communication with the second fluid conducting pipe (2). A S-shaped, spiral shaped, sinus shaped or the like fluid communicating, pressure reduction channel (14) is provided between the fluid inlet (11) and the fluid outlet (12).

FLUID PULSATION DAMPENER WITH THIMBLE

Flow paths throttling and controlling device for muffler, has side baffle blocking side opening from closed position upto control position of damper and increasingly releasing opening from control position upto opening position of damper

The device has a damper (9) controlled by dynamic pressure and flow force of a flow (11) through a flow path (12). The damper has a side baffle (15) at its side edge (16), where the side baffle extends along a duct wall (5). The side baffle blocks a side opening (13) from a closed position up to a control position of the damper and increasingly releases the side opening from the control position up to an opening position of the damper.

Apparatus for damping a pulsation of a fluid conveyed through a conveying device

Apparatus damps pulsations of a fluid conveyed through a conveying device. The fluid is led by way of a first tubular element into a cavity formed by a flexible element and emerges from the cavity by way of a second tubular element. The tubular elements are arranged within the cavity in the flexible element. The length of each of the individual tubular elements is less than the length of the cavity; however, the sum of the lengths of the tubular elements is greater than the length of the cavity.

LEITUNG ZUR ZUFÜHRUNG VON DRUCKPULSATIONSDÄMPFUNGSFLUID

Vortex diode system for reactor

SILENCER FOR PNEUMATIC DEVICE

The present invention provides a silencer, which is coupled to a pneumatic device to reduce noise. The silencer (10) of the present invention has a double pipe structure, which includes an inner casing (11), which is coupled to an outlet of the pneumatic device, and an outer casing (12), which is coaxially provided around the inner casing (11). A space (18) is defined between the inner casing and the outer casing. The space communicates with an air guide hole (15), which is formed in one end of the inner casing. Furthermore, an acoustical absorbent (22) is provided in the space (18). Preferably, the acoustical absorbent has a spiral shape. Thus, compressed air, which has passed through the pneumatic device, passes through the acoustical absorbent of the silencer. At this time, almost all noise is absorbed by the acoustical absorbent.

Schalldämpfervorrichtung, Druckreduktionsvorrichtung und Tankanlage mit einer Druckreduktionsvorrichtung

Die Erfindung betrifft eine Schalldämpfervorrichtung (12) für eine Druckreduktionsvorrichtung (10) einer Tankanlage, wobei die Schalldämpfervorrichtung (12) eine Einlassöffnung aufweist, welche dazu eingerichtet ist, mit einem Auslassventil (16) der Tankanlage verbunden zu werden, und zumindest ein Schalldämpferelement, welches sich zwischen der Einlassöffnung und einer Auslassöffnung (24) der Schalldämpfervorrichtung (12) erstreckt und dazu eingerichtet ist, einen Schalldruck eines von der Einlassöffnung zu der Auslassöffnung (24) strömenden Fluides zu reduzieren. Die Erfindung betrifft ferner eine Druckreduktionsvorrichtung (10) mit einer Schalldämpfervorrichtung (12), sowie eine Tankanlage mit einer erfindungsgemäßen Druckreduktionsvorrichtung (10).

Device for providing a controllable pressure reduction

PRESSURE-PULSATION-DAMPING FLUID SUPPLY CONDUIT

Described herein is a pressure-pulsation-damping fluid supply conduit (1) comprising: a flexible covering pipe (2), which has end portions (5) opposite to one another; tubular elements (7) having respective first axes (A) and being connected to the end portions (5); respective couplings (16), connected to the tubular elements (7) in such a way that they are free to rotate; respective flexible pipes (17), which have respective fixed portions (18) connected to the respective couplings (16) and respective free portions (19) located radially facing one another.

Pressure-pulsation-damping fluid supply conduit

Described herein is a pressure-pulsation-damping fluid supply conduit comprising: a flexible covering pipe, which has end portions opposite to one another; tubular elements having respective first axes and being connected to the end portions; respective couplings, connected to the tubular elements in such a way that they are free to rotate; respective flexible pipes, which have respective fixed portions connected to the respective couplings and respective free portions located radially facing one another.

For sanitary processing line of the pulsation damper

DEVICE FOR PROVIDING A CONTROLLABLE PRESSURE REDUCTION

The present invention relates to a device for providing a controllable pressure reduction between a first fluid conducting pipe (1) and a second fluid conducting pipe (2). The device (10) comprises a fluid inlet (11) in fluid communication with the first fluid conducting pipe (1), and a fluid outlet (12) in fluid communication with the second fluid conducting pipe (2). A S-shaped, spiral shaped, sinus shaped or the like fluid communicating, pressure reduction channel (14) is provided between the fluid inlet (11) and the fluid outlet (12).

Anordnung zur Dämpfung einer Pulsation eines durch eine Fördereinrichtung geförderten Fluids

Die Erfindung betrifft eine Anordnung zur Dämpfung einer Pulsation eines durch eine Fördereinrichtung geförderten Fluids, wobei das Fluid über ein erstes rohrförmiges Element in einen durch ein flexibles Element gebildeten Hohlraum geleitet wird und über eine zweites rohrförmiges Element aus dem Hohlraum austritt, und wobei die rohrförmigen Elemente (23, 25) innerhalb des Hohlraumes in dem flexiblen Element angeordnet sind. DOLLAR A Es ist vorgesehen, daß die Länge (a, b) der einzelnen rohrförmigen Elemente (23, 25) kleiner ist als die Länge (c) des Hohlraums, und daß die Summe der Längen (a + b) der rohrförmigen Elemente (23, 25) größer ist als die Länge (c) des Hohlraums.

ABSORPTIONSSCHALLDAEMPFER FUER AERODYNAMISCHES GERAEUSCH

Module for managing mass flow and dampening pressure pulsations in a gaseous fuel supply line

A module for managing mass flow and dampening pressure pulsations in the supply line of a gaseous fuelled internal combustion engine comprises a hollow body defining an expanded volume that is fluidly connected directly to a pressure sensor and a temperature sensor. The module is placed along the supply line of a gaseous fuel engine between a fuel pressure increasing device and the fuel rail that supplies fuel to the engine. The module can comprise a filter that filters the impurities from the gaseous fuel supplied to the engine and an overpressure protection device that can vent some of the gaseous fuel from the module to protect it from over-pressurization.

PRESSURE-PULSATION-DAMPING FLUID SUPPLY CONDUIT

Device for reducing pressure pulses in hydraulic systems, especially in servo-systems in cars, is positioned between pump and joint and consists of rigid housing which contains flexible, spiral-wound tube

The device for reducing pressure pulses in hydraulic systems, especially in servo-systems in cars, is positioned between the pump and the joint. It consists of a rigid housing (16) which contains a flexible, spiral-wound tube (12). This is connected at one end (17) to the housing inlet (18) while its outlet end (14) feeds freely into the interior (13) of the housing.

Explosion operated fire damping plug - has aluminium member forced against lead shoulder and incorporates pressure reducing plug

The plug which is operated in the event of an explosion is designed to close a pipe supplying e.g. acetylene to tanks, flasks etc. The housing (1) has a cylinder (2) closed at the input end made of e.g. aluminium, suspended by a loop (8) at that end, on a steel wire (7) across the inside. This fits into the deep ring shaped groove (5) between the inside of the housing and a sleeve (4) mounted inside. Following this sleeve, is a flame barrier plug (6) which may incorporate a piece of steel wool or may be a set of capillary tubes, so as to reduce the pressure. The base of the inner sleeve (4) may be of lead, and acts as a barrier when the aluminium tube is forced against it by the force of an explosion.

Vorrichtung zur Schwingungsdämpfung eines durch eine Transportvorrichtung geleiteten Fluids

FLUID PULSATION DAMPING DEVICE

PROBLEM TO BE SOLVED: To make a design having no additional constitution and excellent in cost and enlarge the damping of pulsation. SOLUTION: This device damps the pulsation of fluid carried from a carrying device. In this case, fluid is introduced into cavities formed in the inside of a flexible member by way of a first cylindrical member, and furthermore, it is discharged out of the cavities to the outside of the flexible member by way of a second cylindrical member, and the first and second cylindrical members 23 and 25 are disposed to the cavities in the inside of the flexible member. Each length (a) and (b) of the first and second cylindrical members 23 and 25 is made shorter than the length (c) of the cavities in the flexible member 20, and furthermore, the sum (a)+(b) of the length of the two cylindrical members 23 and 25 is made longer than the length (c) of the cavities. COPYRIGHT: (C)2000,JPO ...

Integral fluid filter and capillary

A comb filter (16) including a first plurality of generally parallel grooves (24) and a capillary (18) including a second groove (30) connected to the first plurality of grooves are integrally formed in a substrate (10) such as by selective etching a surface of a semiconductor substrate. A cover (14) is affixed to the surface (12) and covers the etched grooves (24, 28, 30). An input line (33) is connected to the filter (16) and an output line (35) is connected to the capillary (18). A second comb filter (20) can be included in the output line.

Arrangement for damping a pulsation of a fluid conveyed through a conveying device

The invention relates to an arrangement for damping a pulsation of a fluid conveyed through a conveying device, the fluid being led by way of a first tubular element into a cavity formed by a flexible element and emerging from the cavity by way of a second tubular element, and the tubular elements (23, 25) being arranged within the cavity in the flexible element. There is provision for the length (a, b) of the individual tubular elements (23, 25) to be smaller than the length (c) of the cavity and for the sum of the lengths (a + b) of the tubular elements (23, 25) to be greater than the length (c) of the cavity.

Arrangement for damping a pulsation of a fluid conveyed through a conveying device

A pulsation damper suitable for hygienic processing lines

Flow cage assemblies

Apparatus, systems and methods for implementing flow cages and flow cage assemblies in association with high pressure fluid flows and fluid valves are provided. Flow cages and flow assemblies are provided to dissipate the energy of a fluid flow, such as by reducing fluid flow pressure and/or fluid flow velocity. In some embodiments the dissipation of the fluid flow energy is adapted to reduce erosion, such as from high-pressure jet flows, to reduce cavitation, such as by controllably increasing the flow area, and/or to reduce valve noise associated with pressure surge.

DEVICE FOR PROVIDING A CONTROLLABLE PRESSURE REDUCTION

Module For Managing Mass Flow And Dampening Pressure Pulsations In A Gaseous Fuel Supply Line

A module for managing mass flow and dampening pressure pulsations in the supply line of a gaseous fuelled internal combustion engine comprises a hollow body defining an expanded volume that is fluidly connected directly to a pressure sensor and a temperature sensor. The module is placed along the supply line of a gaseous fuel engine between a fuel pressure increasing device and the fuel rail that supplies fuel to the engine. The module can comprise a filter that filters the impurities from the gaseous fuel supplied to the engine and an overpressure protection device that can vent some of the gaseous fuel from the module to protect it from over-pressurization.

Silencer for pneumatic device

The present invention provides a silencer, which is coupled to a pneumatic device to reduce noise. The silencer (10) of the present invention has a double pipe structure, which includes an inner casing (11), which is coupled to an outlet of the pneumatic device, and an outer casing (12), which is coaxially provided around the inner casing (11). A space (18) is defined between the inner casing andthe outer casing. The space communicates with an air guide hole (15), which is formed in one end of the inner casing. Furthermore, an acoustical absorbent (22) is provided in the space (18). Preferably, the acoustical absorbent has a spiral shape. Thus, compressed air, which has passed through the pneumatic device, passes through the acoustical absorbent of the silencer. At this time, almost all noise is absorbed by the acoustical absorbent.

Device for regulating the pressure of a liquid

Arrangement for damping a pulsation of a fluid conveyed through a conveying device

The safety device comprises an opening/closing cover 9, 12 which shuts off a takeout part 8c and an accommodating part 8a of a component feeder unit 8 from each other and which has a sensor for detecting a closed state, the component feeder unit 8 comprising the component accommodating part 8a, a feed-out part 8b and the takeout part 8c, and sensors 18, 19 for transmission through voids 81 common to the plurality of set component feeder units 8. Upon a detection of any one of the sensors during the operation of the machine, the machine is halted. For replacement of the component feeder units 8, a changeover switch 20 is pressed, by which the detecting function is halted for a specified time period. Thus, a safety device which allows the component feeder units 8 to be replaced even during the operation of the machine can be obtained.

DEVICE FOR PROVIDING A CONTROLLABLE PRESSURE REDUCTION

The present invention relates to a device for providing a controllable pressure reduction between a first fluid conducting pipe ( 1 ) and a second fluid conducting pipe ( 2 ). The device ( 10 ) comprises a fluid inlet ( 11 ) in fluid communication with the first fluid conducting pipe ( 1 ), and a fluid outlet ( 12 ) in fluid communication with the second fluid conducting pipe ( 2 ). A S-shaped, spiral shaped, sinus shaped or the like fluid communicating, pressure reduction channel ( 14 ) is provided between the fluid inlet ( 11 ) and the fluid outlet ( 12 ).

Pulsating pressure stabilizer

Integral fluid filter and capillary

A comb filter including a first plurality of generally parallel grooves and a capillary including a second groove connected to the first plurality of grooves are integrally formed in a substrate such as by selective etching a surface of a semiconductor substrate. A cover is affixed to the surface and covers the etched grooves. An input line is connected to the filter and an output line is connected to the capillary. A second comb filter can be included in the output line.

FLOW CAGE ASSEMBLIES

Apparatus, systems and methods for implementing flow cages and flow cage assemblies in association with high pressure fluid flows and fluid valves are provided. Flow cages and flow assemblies are provided to dissipate the energy of a fluid flow, such as by reducing fluid flow pressure and/or fluid flow velocity. In some embodiments the dissipation of the fluid flow energy is adapted to reduce erosion, such as from high-pressure jet flows, to reduce cavitation, such as by controllably increasing the flow area, and/or to reduce valve noise associated with pressure surge.

DAMPENING DEVICE

This dampening device comprises a body defining a chamber and presenting at least one orifice intended for the inlet and the outlet of the fluid in the chamber. The dampening device further comprises i) a dampening member located in the chamber and comprising at least one foam with closed cells, and ii) a holding member configured to hold the dampening member in place. The dampening device being characterized in that at least one foam has a porosity comprised between 50% and 98%.

DAMPENING DEVICE

本发明涉及一种减震装置(1)包括一本体(4)，本体限定一个腔室(6)和具有至少一个孔(8，10)，孔用于在腔室(6)内的流体的进口和出口。减震装置(1)还包括i)位于腔室(6)的减震构件(14)，且包括至少一个具有封闭小室的泡棉，和ii)夹持构件(16)，夹持构件被配置为适当地夹持减震构件(14)。减震装置(1)的特征在于，至少一个泡棉有一个在50％和98％之间的孔隙度。

Surge eliminator

A surge eliminator includes a longitudinal cylindrical housing (10) with rounded ends (12) and (14). Fluid flows into inlet chamber (20) and through pipes (34) to a first dampening chamber (22). The fluid then flows from the chamber (22) to a chamber (24) through pipes (36). Fluid then flows from chamber (24) to an outlet chamber (26) through orifices (38) to an outlet (18). The fluid is continually oriented such that it must turn 180 DEG from the inlet to the outlet in each of the dampening chambers.

Gas fuel supply line for the management in mass flow and inhibit pressure pulsation of module

气体加燃料内燃机的供应线路中的用于管理质量流量和抑制压力脉动的模块，包括：一个中空主体，限定一个扩张容积，该扩张容积被直接流体连接至一个压力传感器和一个温度传感器。该模块沿着气体燃料发动机的供应线路被放置在燃料压力增大设备和将燃料供应至发动机的燃料轨之间。该模块可以包括：一个过滤器，该过滤器将杂质从供应至发动机的气体燃料移除；以及，一个过压保护设备，该过压保护设备可以将气体燃料中的一些从该模块排出，以保护该模块免于过度加压。

Shock-absorbing device

Laminar flow restrictor

Apparatuses for controlling gas flow are important components for delivering process gases for semiconductor fabrication. These apparatuses for controlling gas flow frequently rely on flow restrictors which can provide a known flow impedance of the process gas. In one embodiment, a flow restrictor is disclosed, the flow restrictor constructed of a plurality of layers, one or more of the layers having a flow passage therein that extends from a first aperture at a first end of the flow restrictor to a second aperture at a second end of the flow restrictor.

Surge eliminator

A surge eliminator includes a longitudinal cylindrical housing (10) with rounded ends (12) and (14). Fluid flows into inlet chamber (20) and through pipes (34) to a first dampening chamber (22). The fluid then flows from the chamber (22) to a chamber (24) through pipes (36). Fluid then flows from chamber (24) to an outlet chamber (26) through orifices (38) to an outlet (18). The fluid is continually oriented such that it must turn 180° from the inlet to the outlet in each of the dampening chambers.

Integral fluid filter and capillary

A comb filter including a first plurality of generally parallel grooves and a capillary including a second groove connected to the first plurality of grooves are integrally formed in a substrate such as by selective etching a surface of a semiconductor substrate. A cover is affixed to the surface and covers the etched grooves. An input line is connected to the filter and an output line is connected to the capillary. A second comb filter can be included in the output line.

Silencer for pneumatic device

Silencer for pneumatic device

A silencer for a pneumatic device is provided to improve the noise prevention effect by spirally forming a noise absorbing member and maximally extending the entire length of the noise absorbing member. A silencer for a pneumatic device includes an inner tub(11), an outer tub(12), and a noise absorbing member(22). One end of the inner tub is opened and the other end thereof is closed. The inner tub includes a transverse air guide unit connected to a discharge opening of the pneumatic apparatus at the opened or closed end. The outer tub is coaxially disposed on the outer side of the inner tub so that a space connected to the air guide unit is secured between the inner tub and the outer tub. The outer tub includes a discharge opening connected to the space at a position opposite to the air guide unit. The noise absorbing member is provided in the space between the inner tub and the outer tub.

Device for regulating the pressure of a liquid

Silencer for pneumatic device

The present invention provides a silencer, which is coupled to a pneumatic device to reduce noise. The silencer (10) of the present invention has a double pipe structure, which includes an inner casing (11), which is coupled to an outlet of the pneumatic device, and an outer casing (12), which is coaxially provided around the inner casing (11). A space (18) is defined between the inner casing and the outer casing. The space communicates with an air guide hole (15), which is formed in one end of the inner casing. Furthermore, an acoustical absorbent (22) is provided in the space (18). Preferably, the acoustical absorbent has a spiral shape. Thus, compressed air, which has passed through the pneumatic device, passes through the acoustical absorbent of the silencer. At this time, almost all noise is absorbed by the acoustical absorbent.

Laminar flow restrictor

用于控制气流的设备是输送用于半导体制造的工艺气体的重要部件。这些用于控制气流的设备经常依赖于流量限制器，该流量限制器可以提供工艺气体的已知流动阻抗。在一个实施例中，公开了一种流量限制器，该流量限制器由多个层构成，其中一个或多个层具有从该流量限制器的第一端处的第一孔延伸到位于该流量限制器的第二端处的第二孔的流动通道。

Piping equipment for fluid

pressure pulsation damping duct for fluid supply

Duto amortecedor de pulsação de pressão para suprimento de fluido. Estando aqui descrito um duto (1) amortecedor de pulsação de pressão para suprimento de fluido compreendendo: um tubo (2) de cobertura flexível o qual tem porções de extremidade (5) opostas uma à outra; elementos tubulares (7) tendo respectivos primeiros eixos (A) e sendo conectados às porções (5) de extremidade; respectivos acoplamentos (16), conectados aos elementos (7) tubulares de tal maneira que são livres para girar; respectivos tubos flexíveis (17), os quais tem respectivas porções (18) fixas conectadas aos respectivos acoplamentos (16) e respectivas porções livres (19) dispostas radialmente de face uma com a outra. Pressure pulsation damping duct for fluid supply. Described herein is a fluid supply pressure pulsation damping duct (1) comprising: a flexible cover tube (2) which has opposite end portions (5); tubular elements (7) having respective first axes (A) and being connected to the end portions (5); respective couplings (16) connected to the tubular elements (7) such that they are free to rotate; respective flexible hoses (17) which have respective fixed portions (18) connected to respective couplings (16) and respective free portions (19) arranged radially facing each other.

蒸汽减压降温装置

本发明提供一种蒸汽减压降温装置，包括：壳体，壳体上开设有蒸汽进口以及蒸汽出口；第一降压通道，设于安装腔内，具有第一降压进口以及第一降压出口，自第一降压进口至第一降压出口，第一降压通道的内径逐渐增大设置，第一降压进口与蒸汽进口连通；第二降压通道，设于安装腔内，具有第二降压进口以及第二降压出口，自第二降压进口至第二降压出口，第二降压通道的内径逐渐增大设置，第二降压进口与第一降压出口连通，第二降压出口与蒸汽出口连通；以及，喷水机构，设有多个喷水口，用于喷水冷却蒸汽。本发明提供的蒸汽减压降温装置旨在解决传统技术中减温减压装置蒸汽流速较高不易控制、且流致噪声较为明显的问题。

一种用于反应堆的涡流二极管系统

本发明属于反应堆工程技术领域，公开了一种用于反应堆的涡流二极管系统。该系统的两端分别与液体流入管道和液体流出管道连接；该二极管系统包括圆盘形芯材及芯材内设置的1个二极管或多个并联排列的二极管，根据二极管数量的不同，该多个二极管在圆盘形芯材内按照排布成一圈或二圈的形式均匀分布。采用本发明提供的二极管系统对反应堆中液体流量进行输送，尤其是对快中子反应堆中的冷却介质钠进行输送，可以用于控制液体钠在正常工况及事故状态下的流动状态和流速、流量要求。

Leitung zur zufuhrung von druckpulsationsdampfungsfluid

層流制限器

一种压力释放井及水流消能方法

本发明涉及市政排水技术领域，尤其涉及一种压力释放井及水流消能方法。压力释放井包括进水管和消能防冲装置；所述进水管的出口设置在井底并朝上布置，所述防冲装置设置在所述进水管的出口处；所述消能防冲装置包括消能盆和消能环，所述消能环从井底向上凸起并环绕在所述消能盆周围；所述消能盆包括格栅条和至少两个消能盘，所述格栅条布置在消能盘之间以及消能盘与井底之间，上侧消能盘的直径大于下侧消能盘的直径，且每个消能盘上开设有消能洞。通过本发明解决了水流对排水井的冲击问题，延长了排水井的使用寿命。

층류 제한기

가스 흐름을 제어하기 위한 장치는 반도체 제조를 위한 공정 가스를 전달하기 위한 중요한 구성 요소이다. 가스 흐름을 제어하기 위한 이러한 장치는 프로세스 가스의 알려진 흐름 임피던스를 제공할 수 있는 유량 제한기에 자주 의존한다. 일 실시 형태에서, 유량 제한기가 개시되고, 유량 제한기는 복수의 층으로 구성되고, 하나 이상의 층은 유량 제한기의 제1 단부에 있는 제1 개구로부터 유량 제한기의 제2 단부에 있는 제2 개구까지 연장되는 유로를 내부에 갖는다.

Verbessertes Leitungssystem

Leitungssystem (100), insbesondere ein Frisch- oder Reinwasser-Rohrleitungssystem, mit a) einer Hauptleitung (10), die von einem Medium durchströmbar ist, und mit b) zumindest einer davon abgezweigten, einen Bypass bildenden Nebenleitung (20), an die wenigstens eine Entnahmestelle (30) anschliessbar ist, - wobei die Hauptleitung (10) mindestens einen Bereich (60) mit vergrössertem Innendurchmesser und mindestens einen Bereich (70) mit verkleinertem Innendurchmesser aufweist, - wobei jeweils der zuströmseitige Leitungsabschnitt (40, 41) einer Nebenleitung einem Bereich (60) der Hauptleitung mit vergrössertem Innendurchmesser zugeordnet ist, - wobei jeweils der abströmseitige Leitungsabschnitt (50, 51) einer Nebenleitung einem Bereich der Hauptleitung (70) mit verkleinertem Innendurchmesser zugeordnet ist, dadurch gekennzeichnet, dass zumindest einer der zuströmseitigen oder abströmseitigen Leitungsabschnitte (40, 41, 50, 51) der Nebenleitung(en) mit der Hauptleitung (10) in einem schiefen Winkel α zur Längsachse der Hauptleitung in Hauptfliessrichtung (1) verbunden ist.

Dispositivo silenziatore

Anordning for tilveiebringelse av en kontrollerbar trykkreduksjon.

流体用の配管装置

　流体を流す流路を形成している管部材と、管部材を加熱するため熱を発生させる加熱部材と、加熱部材と当接して管部材に熱を伝える金属製伝熱部材と、加熱部材と伝熱部材を電気的に接続可能にする端子部材とを備えた流体用の配管装置であって、伝熱部材は第一伝熱部材及び第二伝熱部材からなり、前記第一伝熱部材及び第二伝熱部材の少なくとも一方は前記端子部材を一部に形成しているとともに、前記第一伝熱部材は前記管部材の流路内に露出しないよう該管部材に設けられている。

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一种压力释放井及水流消能方法

本发明涉及市政排水技术领域，尤其涉及一种压力释放井及水流消能方法。压力释放井包括进水管和消能防冲装置；所述进水管的出口设置在井底并朝上布置，所述防冲装置设置在所述进水管的出口处；所述消能防冲装置包括消能盆和消能环，所述消能环从井底向上凸起并环绕在所述消能盆周围；所述消能盆包括格栅条和至少两个消能盘，所述格栅条布置在消能盘之间以及消能盘与井底之间，上侧消能盘的直径大于下侧消能盘的直径，且每个消能盘上开设有消能洞。通过本发明解决了水流对排水井的冲击问题，延长了排水井的使用寿命。

蒸汽减压降温装置

本发明提供一种蒸汽减压降温装置，包括：壳体，壳体上开设有蒸汽进口以及蒸汽出口；第一降压通道，设于安装腔内，具有第一降压进口以及第一降压出口，自第一降压进口至第一降压出口，第一降压通道的内径逐渐增大设置，第一降压进口与蒸汽进口连通；第二降压通道，设于安装腔内，具有第二降压进口以及第二降压出口，自第二降压进口至第二降压出口，第二降压通道的内径逐渐增大设置，第二降压进口与第一降压出口连通，第二降压出口与蒸汽出口连通；以及，喷水机构，设有多个喷水口，用于喷水冷却蒸汽。本发明提供的蒸汽减压降温装置旨在解决传统技术中减温减压装置蒸汽流速较高不易控制、且流致噪声较为明显的问题。

层流限制器

用于控制气流的设备是输送用于半导体制造的工艺气体的重要部件。这些用于控制气流的设备经常依赖于流量限制器，该流量限制器可以提供工艺气体的已知流动阻抗。在一个实施例中，公开了一种流量限制器，该流量限制器由多个层构成，其中一个或多个层具有从该流量限制器的第一端处的第一孔延伸到位于该流量限制器的第二端处的第二孔的流动通道。

一种用于反应堆的涡流二极管系统

本发明属于反应堆工程技术领域，公开了一种用于反应堆的涡流二极管系统。该系统的两端分别与液体流入管道和液体流出管道连接；该二极管系统包括圆盘形芯材及芯材内设置的1个二极管或多个并联排列的二极管，根据二极管数量的不同，该多个二极管在圆盘形芯材内按照排布成一圈或二圈的形式均匀分布。采用本发明提供的二极管系统对反应堆中液体流量进行输送，尤其是对快中子反应堆中的冷却介质钠进行输送，可以用于控制液体钠在正常工况及事故状态下的流动状态和流速、流量要求。