With Means For Mounting Or Connecting To System Patents (Class 137/507)
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Patent number: 8915263Abstract: A pressure regulator apparatus usable with an aerosol supply device containing a fluid includes an inflatable diaphragm unit including an upper surface member, a lower surface member, and a diaphragm chamber formed between the upper surface member and the lower surface member, an output port member having an output cavity and an output port, at least a portion of the output port member is disposed within and in fluid communication with the diaphragm chamber, a valve actuator including an actuator cavity and one or more actuator openings in fluid communication with the output port, at least a portion of the valve actuator is moveably disposed within the output cavity, an input port member having an input port configured to allow the fluid to enter the actuator cavity, at least a portion of the input port member is disposed proximate to the actuator cavity, and an axial flow path extending between the input port and the output port, and configured to allow the fluid to selectively pass in a substantially axialType: GrantFiled: September 14, 2009Date of Patent: December 23, 2014Assignee: Hewlett-Packard Development Company, L.P.Inventors: Paul Mark Haines, Mark A Devries, Ronald Ender, Craig Malik
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Patent number: 8850800Abstract: An exhaust treatment system for machine is disclosed that includes a burner body having an inlet for receiving a flow of exhaust, an outlet for the exhaust flow to exit, an opening and a receiving mount disposed around the opening. A fuel injector head is mounted over the opening in any one of a plurality of angular positions relative to the body. The burner body includes a plurality of mounting pads extending at least partially and circumferentially around the burner body for coupling a support bracket to the burner body in any one of a plurality of positions relative to the burner body. The support bracket may be used to couple the burner to a fixture device such as a cradle for supporting other exhaust treatment system components.Type: GrantFiled: October 17, 2012Date of Patent: October 7, 2014Assignee: Caterpillar Inc.Inventors: Eric J. Charles, Jack A. Merchant, David L. Demeny, Govind S. Madaiah, Naseer A. Niaz, Eric J. Blankenship, Thomas R. McClure
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Publication number: 20130263944Abstract: Provided are gas distribution apparatus with a delivery channel having an inlet end, an outlet end and a plurality of apertures spaced along the length. The inlet end is connectable to an inlet gas source and the outlet end is connectible with a vacuum source. Also provided are gas distribution apparatus with spiral delivery channels, intertwined spiral delivery channels, splitting delivery channels, merging delivery channels and shaped delivery channels in which an inlet end and outlet end are configured for rapid exchange of gas within the delivery channels.Type: ApplicationFiled: March 14, 2013Publication date: October 10, 2013Inventors: Faruk Gungor, Dien-Yeh Wu, Joseph Yudovsky, Mei Chang
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Patent number: 8469162Abstract: A piston with a piston rod coupled thereto is inserted in a cylinder, which sealingly contains oil. An oil flow generated by movement of the piston is controlled by a damping force generation mechanism, thereby generating a damping force. A separator tube is disposed around the cylinder, and the oil is transmitted to the damping force generation mechanism through a branch tube integrally formed on a cylindrical sidewall of the separator tube. The branch tube is tapered at the outer circumferential portion thereof with the outer diameter thereof reducing toward the distal end of the branch tube.Type: GrantFiled: September 27, 2011Date of Patent: June 25, 2013Assignee: Hitachi Automotive Systems, Ltd.Inventors: Makoto Nishimura, Jin Yamasaki, Shinichi Kagawa, Tetsuo Yoshida
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Patent number: 8429903Abstract: An exhaust treatment system for machine is disclosed that includes a burner body having an inlet for receiving a flow of exhaust, an outlet for the exhaust flow to exit, an opening and a receiving mount disposed around the opening. A fuel injector head is mounted over the opening in any one of a plurality of angular positions relative to the body. The burner body includes a plurality of mounting pads extending at least partially and circumferentially around the burner body for coupling a support bracket to the burner body in any one of a plurality of positions relative to the burner body. The support bracket may be used to couple the burner to a fixture device such as a cradle for supporting other exhaust treatment system components.Type: GrantFiled: December 22, 2009Date of Patent: April 30, 2013Assignee: Caterpillar Inc.Inventors: Eric J. Charles, Jack A. Merchant, David L. Demeny, Govind S. Madaiah, Naseer A. Niaz, Eric J. Blankenship, Thomas R. McClure
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Publication number: 20130098477Abstract: Provided are gas distribution apparatus with a delivery channel having an inlet end, an outlet end and a plurality of apertures spaced along the length. The inlet end is connectable to an inlet gas source and the outlet end is connectible with a vacuum source. Also provided are gas distribution apparatus with spiral delivery channels, intertwined spiral delivery channels, splitting delivery channels, merging delivery channels and shaped delivery channels in which an inlet end and outlet end are configured for rapid exchange of gas within the delivery channels.Type: ApplicationFiled: October 17, 2012Publication date: April 25, 2013Inventors: Joseph Yudovsky, Mei Chang, Faruk Gungor, Paul F. Ma, David Chu, Chien-Teh Kao, Hyman Lam, Dien-Yeh Wu
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Patent number: 8235066Abstract: The disclosure relates to a safety device to be inserted in a pipe through which a fluid flows from an upstream side to a downstream side, this device comprising a tube offering the fluid a central flow path controlled by a central valve which closes in the event of excessive flow of this fluid, an elastically deformable annular shutter mounted on the external periphery of the tube, and retention clamps. According to the disclosure, each of the clamps has a tied end fastened to the periphery of the tube upstream of the annular shutter and can adopt, under the effect of a radial compression, a folded configuration in which its free end is turned towards this annular shutter.Type: GrantFiled: May 19, 2008Date of Patent: August 7, 2012Assignee: GDZ SuezInventors: Amine Dalibey, Didier Mangon
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Patent number: 8024922Abstract: A reductant delivery unit (10) is provided for selective catalytic reduction (SCR) after-treatment for vehicles. The unit includes a solenoid fluid injector (10) constructed and arranged to be associated with an exhaust gas flow path (14) upstream of a SCR catalytic converter (17). The fluid injector has a fluid inlet (13) and a fluid outlet (15) with the fluid inlet being constructed and arranged to receive a source of urea solution and the fluid outlet being constructed and arranged to communicate directly with the exhaust flow path so as to control injection of urea solution into the exhaust gas flow path. An interface (24) is constructed and arranged to couple the fluid injector to the gas flow path. The interface defines a thermal barrier constructed and arranged to decoupled a body of the injector from exposure to heat in the exhaust gas flow path.Type: GrantFiled: March 28, 2008Date of Patent: September 27, 2011Assignee: Continental Automotive Systems US, Inc.Inventors: Willem Nicolaas van Vuuren, Stephen Bugos, William Imoehl, Michael Hornby, Ray Wildeson, Olaf Graupner, David Cole
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Patent number: 7866338Abstract: A breathing air tank and valve assembly is provided for use in a self-contained breathing apparatus. The breathing air tank and valve assembly includes a pressure vessel and a cylinder valve for connection to the pressure vessel. The cylinder valve includes a valve body having an interior, and a first fitting adapted to connect the valve body directly to the pressure vessel, thereby creating a fluid connection to the interior of the valve body. The cylinder valve includes a second fitting that is an outlet adapted to connect the valve body to a pressure reducer assembly, and a third fitting that is an inlet having a check valve. The third fitting is adapted to connect the valve body to an external source of pressurized air and thereby provide a direct air path from the external source of pressurized air through the interior of the valve body to the pressure vessel.Type: GrantFiled: April 29, 2008Date of Patent: January 11, 2011Assignee: STI Licensing Corp.Inventor: Ronald B. Mele
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Patent number: 7708016Abstract: A gas regulator includes a delivery valve assembly having a delivery outlet and a delivery valve member engageable with the delivery outlet for controlling flow of a gas from a gas source. A timing gas chamber receives gas from the gas source. Gas pressure within the timing gas chamber controls the operation of the delivery valve member. An adjustment system controls the amount of time required for the gas to fill the timing gas chamber so as to control the length of time that the delivery valve assembly is opened to conserve gas. In other embodiments, a capacity adjustment system can adjust the capacity of a gas reservoir system.Type: GrantFiled: November 12, 2003Date of Patent: May 4, 2010Assignee: Inovo, Inc.Inventors: LeNoir E. Zaiser, Kevin Confoy
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Publication number: 20090301581Abstract: A pressurized gas containing system has a cowling and mounting ring which supports a valve and regulator on a cylinder containing gas under pressure.Type: ApplicationFiled: April 3, 2009Publication date: December 10, 2009Inventors: James R. MacNeal, Edward L. Hamernik, David B. Larson, William T. Harrod
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Patent number: 7527240Abstract: The invention relates to a flow control device which is insertable into a fluid pipeline (K) and comprising a valve (1), an obturator with membrane (2), and anchoring flaps (3) that can deploy like umbrella spokes under the action of an elastic stress until it presses against the wall (P) of the pipeline (K). According to the invention, the membrane (2) and the flaps (3) are mutually attached to and disposed on a same side of the valve body (10), so that as the flaps (3) deploy the membrane (2) deploys at the same time until the membrane presses against the internal wall of the pipeline (K) and the fluid exerts on the deployed membrane a pressure which increases the pressure of the flaps (3) against this wall (P).Type: GrantFiled: March 29, 2006Date of Patent: May 5, 2009Assignee: Gaz de FranceInventors: Luc Mesnier, Amine Dalibey
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Patent number: 7448594Abstract: Fluid regulators are disclosed. An exemplary fluid regulator having a cylindrical body and a reduced diameter portion adjacent an open end of the fluid regulator along with a flow selector positioned adjacent the open end of the fluid regulator and having a diameter larger than the reduced diameter of the cylindrical body is disclosed. Another exemplary fluid regulator having a pressure reduction section positioned within a housing is disclosed.Type: GrantFiled: October 21, 2005Date of Patent: November 11, 2008Assignee: Ameriflo, Inc.Inventors: James A. Voege, David A. Ferrer
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Patent number: 6986350Abstract: A gas flow regulator includes a one-piece housing with an internally disposed flowmeter. The flowmeter is screwed into the housing. A fitting, such as a hose barb, extends through the housing and into the body of the flowmeter to secure the pieces together. Similarly, an inner core assembly can be separately fabricated, screwed into the housing and secured by fittings. This allows a full brass core for oxygen regulators.Type: GrantFiled: November 17, 2003Date of Patent: January 17, 2006Inventors: LeNoir E. Zaiser, Kevin Confoy
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Patent number: 6647982Abstract: A gas flow regulator includes a one-piece housing with an internally disposed flowmeter. The flowmeter is screwed into the housing. A fitting, such as a hose barb, extends through the housing and into the body of the flowmeter to secure the pieces together. Similarly, an inner core assembly can be separately fabricated, screwed into the housing and secured by fittings. This allows a full brass core for oxygen regulators.Type: GrantFiled: June 29, 1999Date of Patent: November 18, 2003Inventors: LeNoir E. Zaiser, Kevin Confoy
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Patent number: 6622743Abstract: A surge prevention valve may be used to prevent the formation of an initial surge of high pressure. The valve may be located, for example, between a high pressure oxygen cylinder and a medical pressure regulator. The valve also may be used for other purposes. The surge prevention valve may have a housing with an inlet and an outlet. A seal unit may be used to close the main flow path from the inlet to the outlet, and a bleed passageway may be provided in the seal unit to bypass the main flow path. The valve may have an actuator for opening the bleed passageway and for moving the seal unit to open the main flow path. According to a preferred embodiment of the invention, a manual push-then-turn operation is used to open the valve. The actuator may be used to threadedly move the seal unit toward and away from the valve seat to close and open the main flow path. In addition, a valve rod may be provided for closing the bleed passageway.Type: GrantFiled: August 9, 1999Date of Patent: September 23, 2003Assignee: Allied Healthcare Products, Inc.Inventors: Gabriel S. Kohn, Kevin Donald Kroupa, David L. Boger
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Patent number: 6517615Abstract: A filter arrangement for use with a vessel containing pressurized fluid includes a body engageable with the vessel. The arrangement further includes a coalescing filter assembly supported by the body such that the filter assembly is disposable inside the vessel when the body is engaged with the vessel. In one embodiment of the filter arrangement, the coalescing filter assembly includes a housing having a cavity, a coalescing filter disposed in the cavity for removing entrained liquid from the fluid, and a drain device in fluid communication with the cavity for draining the liquid removed by the coalescing filter from the cavity into the vessel.Type: GrantFiled: February 8, 2001Date of Patent: February 11, 2003Assignee: Dynetek Industries Ltd.Inventors: Gary Wayne Miller, Thomas Dean Barker, Garth James Schultz, Stephen Alan Carter
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Patent number: 6416036Abstract: The present invention provides a sealing arrangement between a flow regulator and a shut-off valve attached to an oxygen cylinder. The shut-off valve includes a casing which is adapted to be mounted to an oxygen cylinder containing oxygen gas or an oxygen enhanced gas, a side wall defining a part of the casing. A female outlet port is defined in the side wall of the casing. The flow regulator includes a metallic cylindrical body which has first and second end faces. A yoke extends from the first end face of the cylindrical body. A screw bolt, which has an end facing the first end face of the cylindrical body, operates with the yoke to clamp the casing of the shut-off valve between the first end face of the cylindrical body and the end of the screw bolt. A male inlet port extends from the first end face of the cylindrical body into the female outlet port of the shut-off valve to receive the oxygen gas or the oxygen enhanced gas.Type: GrantFiled: January 31, 2001Date of Patent: July 9, 2002Assignee: Teijin LimitedInventors: Yutaka Yagi, Katsuhiko Okada, Yoichi Yoshida
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Patent number: 6382242Abstract: A manifold assembly is provided which includes a manifold block having a gas inlet and a gas outlet. The block also includes a regulator inlet in a planar surface of the manifold block which is connected to the gas inlet. The regulator outlet is also provided in the planar surface spaced from the regulator inlet and connected to the gas outlet. A regulator is mounted to the manifold block at the planar surface and includes an inlet and outlet on a common wall of the regulator. The inlet and outlet of the regulator have the same spacing as and communicates with the regulator inlet and outlet of the manifold block. In the preferred embodiment, one of the inlet and outlet of the regulator is annular and encompasses the other.Type: GrantFiled: October 9, 2001Date of Patent: May 7, 2002Assignee: Hill-Rom Services, Inc.Inventors: Dennis J. Gallant, John W. Ruehl, John C. Gray, Edward W. Catton, Jerome B. Batta
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Patent number: 6328280Abstract: A compressed gas regulator for use in the medical, emergency and home health care fields is disclosed. The regulator includes a body having a rectangular aperture for receiving an industry standard post valve typically found on a high pressure gas tank. The regulator includes a mechanical attachment device for securing the regulator to the post valve. The mechanical attachment device, or knob, is cylindrical in cross-section and is hollow so that it may receive a portion of the regulator therein. The outer periphery of the knob includes a knurl pattern to aid in gripping the knob. The knob includes a threaded rod extending axially along the hollow interior of the knob. The threaded rod engages mating threads in a threaded aperture of the regulator body. Rotating the fastener urges the regulator into contact with the post valve, and a valve seat on the regulator provide a gas seal between the regulator and the post valve.Type: GrantFiled: July 28, 2000Date of Patent: December 11, 2001Inventor: Gilbert Davidson
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Patent number: 6325097Abstract: A manifold assembly is provided which includes a manifold block having a gas inlet and a gas outlet. The block also includes a regulator inlet in a planar surface of the manifold block which is connected to the gas inlet. The regulator outlet is also provided in the planar surface spaced from the regulator inlet and connected to the gas outlet. A regulator is mounted to the manifold block at the planar surface and includes an inlet and outlet on a common wall of the regulator. The inlet and outlet of the regulator have the same spacing as and communicates with the regulator inlet and outlet of the manifold block. In the preferred embodiment, one of the inlet and outlet of the regulator is annular and encompasses the other.Type: GrantFiled: May 25, 1999Date of Patent: December 4, 2001Assignee: Hill-Rom Services, Inc.Inventors: Dennis J. Gallant, John W. Ruehl, John C. Gray, Edward W. Catton, Jerome B. Batta
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Patent number: 6321779Abstract: A regulator for regulating outlet pressure of a fluid supplied to the regulator from a fluid source includes a body having an inlet, and a pressure regulating chamber disposed in the body. A high pressure fluid circuit extends between the inlet and the pressure regulating chamber for transmitting the fluid from the inlet to the pressure regulating chamber. The high pressure fluid circuit includes at least two longitudinally extending high pressure passages in fluid communication with each other. One longitudinally extending high pressure passage transmits the fluid in a first direction, and another longitudinally extending high pressure passage transmits the fluid in a second direction different than the first direction.Type: GrantFiled: August 18, 2000Date of Patent: November 27, 2001Assignee: Veritek NGV, Corp.Inventors: Gary W Miller, Thomas Dean Barker, Sathish Atluri, Garth J Schultz, Stephen A Carter
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Patent number: 6158457Abstract: A gas pressure reduction apparatus has a high pressure inlet port and low pressure outlet port. A spring-biased piston is operatively interposed between the inlet and outlet ports. The apparatus includes a metal part with a high pressure passage communicating the inlet port with the piston. The high pressure passage has a portion with a relatively constricted flow area, whereby compression of gas flowing through the passage yields heat of compression that heats the metal part. The apparatus further includes a plastic part configured to engage and support the metal part in an operative position in which the inlet port communicates with an outlet port on a pressure vessel outlet valve.Type: GrantFiled: May 18, 1999Date of Patent: December 12, 2000Assignee: Western/Scott Fetzer CompanyInventors: Douglas S. Byrd, David R. Greene, Douglas A. Bosnik, Byron A. Crampton
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Patent number: 6062245Abstract: An integral gas burner manifold and pressure regulator with an inlet fitting received through one wall of the manifold and threadedly engaging in the manifold a regulator body received through a second oppositely disposed wall of the manifold. The body has a valve seat and downstream ports for supplying the interior of the manifold. Portions of the body extending exteriorly of the manifold, retain and seal a housing shell having a pressure responsive diaphragm exposed to the pressure of the ports. A poppet is disposed on the valve seat and is connected to the diaphragm by a rod; and, the poppet is moved by the rod in response to changes in pressure acting on the diaphragm. The diaphragm is preloaded by an adjustable spring.Type: GrantFiled: November 21, 1997Date of Patent: May 16, 2000Inventors: Eric J. Berglind, James J. Nonnie, Stefan J. Szewczyk, Norman K. Peck, Donald M. Krueger, Paul D. Frazier
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Patent number: 5465750Abstract: A two-stage regulator includes first and second regulator units in series. The regulator units are mounted upon a unitary base which forms the lower portion of each regulator and includes the inlets and outlets for each regulator unit as well as a passageway between the units. Each of the regulator units is of the diaphragm and main spring type. The first regulator unit, which operates upon the input high-pressure flow, includes a valve assembly proximate the diaphragm. The second regulator unit, which decreases the pressure of the intermediate pressure flow to the final low-pressure outlet flow includes a stem mounted to the diaphragm which terminates at a valve assembly displaced from the diaphragm body. In a preferred embodiment, the surface area of the low-pressure regulator unit is approximately 25% greater than the surface area of the high-pressure unit.Type: GrantFiled: May 17, 1994Date of Patent: November 14, 1995Assignee: Standard Keil Industries, Inc.Inventor: Yushan Wang
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Patent number: 5435344Abstract: An in-tank fuel pressure regulator having a through-passage member on the moveable wall for controlling the flow of fuel from the inlet to the outlet chambers of the regulator. The through-passage member has a central through-hole in which is positioned a valve seat that mates with a valve closure member that is in the inlet chamber. The valve closure member is a truncated sphere that is swivel mounted to maintain seal tight alignment with the valve seat.Type: GrantFiled: May 9, 1994Date of Patent: July 25, 1995Assignee: Siemens Automotive L.P.Inventors: Barry S. Robinson, Michael J. Hornby
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Patent number: 5320128Abstract: According to the invention there is provided a gas chlorinator with reduced number of components, having a chlorinator housing consisting of a front and a back body forming an interior cavity, a diaphragm assembly disposed between the front and back body dividing the cavity into a front chamber and a back chamber, a chlorine inlet in the back body connecting the back chamber with a chlorine source, a chlorine flow valve in the inlet in operative engagement with the diaphragm assembly for controlling flow of chlorine into the back chamber, a chlorine outlet connecting the back chamber with a vacuum source for activating the diaphragm assembly to supply chlorine to the vacuum source via the chlorine inlet and the flow valve. According to a further feature, the gas chlorinator has matching screw threads formed in the front and back body for threadedly joining the front and back body.Type: GrantFiled: November 12, 1992Date of Patent: June 14, 1994Assignee: Chlorinators IncorporatedInventor: Christian D. Talbert
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Patent number: 5176169Abstract: A first stage SCUBA diving regulator has a removable cartridge containing the pressure regulating mechanism and a plurality of intermediate pressure outlet ports extending at acute angles from the body of the regulator. A plurality of rotatable intermediate pressure outlet ports are provided in one embodiment.Type: GrantFiled: June 3, 1991Date of Patent: January 5, 1993Assignee: Dacor CorporationInventor: Arthur R. Ferguson
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Patent number: 5174331Abstract: A pressure regulator includes a flexible diaphragm which sets-off a liquid chamber having an inlet and an outlet for respectively introducing liquid into and discharging liquid from the liquid chamber under the control of an associated valve through an actuator operated by the movement of the diaphragm. The valve is carried by a coupling which is connected to the housing inlet which, upon the uncoupling of the coupling, allows inspection and/or repair of an associated valve seat or the actuator through the pressure regulator inlet.The pressure regulator can be cleaned or flushed by a novel method which includes uncoupling the coupling from the liquid inlet and reversing the connection with an associated standpipe outlet and thereafter reopening the liquid inlet valve. Liquid enters the liquid chamber through the standpipe outlet and discharges the liquid chamber through the liquid outlet thereby flushing the liquid chamber in a thorough and effective manner.Type: GrantFiled: September 25, 1991Date of Patent: December 29, 1992Assignee: Val Products, Inc.Inventor: Frederick W. Steudler, Jr.
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Patent number: 5163472Abstract: A fuel pressure control valve wherein a pipe press-fit opening 15a is formed on a housing 11 constituting a control valve chamber 16 together with a diaphragm 12, a mounting flange 26 is projectedly provided on the outer surface of this housing 11 and a return pipe 17 is press-fitted into a pipe press-fit opening 15a. A boss portion 33 is expandedly provided at a rear surface of the housing 11, which is opposite to the mounting flange 26, and seat surfaces 32 and 34 for receiving a jig during press-fitting of the return pipe 17 into the pipe press-fit opening are formed at end faces of the mounting flange 26 and the boss portion 37, in a flat plate shape and in a parallel alignment between one end face with the other.Type: GrantFiled: March 20, 1992Date of Patent: November 17, 1992Assignee: Mitsuba Electric Manufacturing Co., Ltd.Inventors: Yoshio Takada, Katsuya Shirasaki
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Patent number: 5070903Abstract: A pressure regulator includes a flexible diaphragm which sets-off a liquid chamber having an inlet and an outlet for respectively introducing liquid into and discharging liquid from the liquid chamber under the control of an associated valve through an actuator operated by the movement of the diaphragm. The valve is carried by a coupling which is connected to the housing inlet which, upon the uncoupling of the coupling, allows inspection and/or repair of an associated valve seat or the actuator through the pressure regulator inlet. The pressure regulator can be cleaned or flushed by a novel method which includes uncoupling the coupling from the liquid inlet and reversing the connection with an associated standpipe outlet and thereafter reopening the liquid inlet valve. Liquid enters the liquid chamber through the standpipe outlet and discharges the liquid chamber through the liquid outlet thereby flushing the liquid chamber in a thorough and effective manner.Type: GrantFiled: September 20, 1990Date of Patent: December 10, 1991Assignee: Val Products, Inc.Inventor: Frederick W. Steudler, Jr.
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Patent number: 4664142Abstract: A pressure regulating device is proposed, which serves to regulate the fuel pressure in a fuel injection system for internal combustion engines. The pressure regulating device includes a pressure regulating valve which has a valve diaphragm fastened in a valve housing and defining a fuel chamber which communicates via an inflow opening with a fuel distributor line. Protruding into the fuel chamber is a valve seat body joined to the valve housing, on one end of which body a valve seat is formed and the other end of which is embodied as an outlet pipe that passes through the wall of the fuel distributor line. The fuel distributor line is formed of two shell halves inserted one inside the other, of which the first shell half has a tub-shaped end into which the pressure regulating valve is inserted and with which it is securely fastened.Type: GrantFiled: November 21, 1985Date of Patent: May 12, 1987Assignee: Robert Bosch GmbHInventors: Richard Bertsch, Dieter Gunther, Claus Ruppmann
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Patent number: 4431117Abstract: A propellant storage construction having a chamber for storing propellant and a passage leading to the chamber and containing a valve unit therein for opening and closing the passage, the construction having a removable pressure regulator unit interconnected thereto and being operatively associated with the valve unit for operating the valve unit in relation to the pressure of the propellant having passed through the valve unit. One of the passage and the pressure regulator unit defines a generally conical seat adjacent the valve unit and on the side thereof opposite to the chamber and the other of the passage and the pressure regulator unit having a generally conical nose-like member seated in the seat to fluidly interconnect the pressure regulator unit to the passage downstream from the valve unit.Type: GrantFiled: December 9, 1981Date of Patent: February 14, 1984Assignee: Robertshaw Controls CompanyInventors: Francis S. Genbauffe, Joseph J. Erdelsky, Eugene C. Greenwood