WO2017196295A1 - Piston régulateur de pression à clapet anti-retour intégré - Google Patents

Piston régulateur de pression à clapet anti-retour intégré Download PDF

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Publication number
WO2017196295A1
WO2017196295A1 PCT/US2016/031463 US2016031463W WO2017196295A1 WO 2017196295 A1 WO2017196295 A1 WO 2017196295A1 US 2016031463 W US2016031463 W US 2016031463W WO 2017196295 A1 WO2017196295 A1 WO 2017196295A1
Authority
WO
WIPO (PCT)
Prior art keywords
retainer
pressure regulator
relief valve
inlet portion
pressure
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/US2016/031463
Other languages
English (en)
Inventor
Miguel A. MALDONADO
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Cummins Inc
Original Assignee
Cummins Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Cummins Inc filed Critical Cummins Inc
Priority to PCT/US2016/031463 priority Critical patent/WO2017196295A1/fr
Publication of WO2017196295A1 publication Critical patent/WO2017196295A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K15/00—Check valves
    • F16K15/02—Check valves with guided rigid valve members
    • F16K15/04—Check valves with guided rigid valve members shaped as balls
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K27/00—Construction of housing; Use of materials therefor
    • F16K27/02—Construction of housing; Use of materials therefor of lift valves
    • F16K27/0209—Check valves or pivoted valves

Definitions

  • This disclosure relates to pressure regulators with integrated check valves. More specifically, this disclosure relates to pressure regulators with integrated check valves that do not have springs and their manufacture.
  • Pressure regulators are important components in fuel systems, such as a fuel system in a conventional gasoline or diesel engine.
  • the pressure regulator helps to ensure a consistent pressure within the fuel rail and, thus, helps to improve the accuracy and precision of the amount of fuel actually injected into the engine.
  • pressure regulators may comprise a housing unit comprising a chamber having an inlet portion and an outlet portion, a pressure relief valve disposed between the inlet portion and a retainer, wherein the retainer is structured to prevent the relief valve from moving past a predetermined longitudinal position and the retainer is structured to allow fluid to pass from the inlet portion to the outlet portion, wherein the pressure regulator does not comprise a spring.
  • pressure regulators may comprising a housing unit comprising a chamber having an inlet portion and an outlet portion, a pressure relief valve disposed between the inlet portion and a retainer, means for preventing the relief valve from moving past a predetermined longitudinal position, means for allowing fluid to pass from the inlet portion to the outlet portion, and means for biasing the pressure relief valve, wherein the biasing means is not a spring.
  • Various embodiments may include methods may also include method of manufacture comprising disposing a pressure relief valve into a housing unit comprising a chamber having an inlet portion and an outlet portion, disposing a retainer into the housing unit, biasing the pressure relief valve without a spring, and coupling the retainer to the housing unit so the pressure relief valve is disposed between the inlet portion and the retainer, wherein the retainer is structured to prevent the relief valve from moving past a predetermined longitudinal position and the retainer is structured to allow fluid to pass from the inlet portion to the outlet portion.
  • FIG. 1A and 2B are perspective views of a pressure regulator plunger with an integrated priming check valve
  • FIG. 2A is a front view of a pressure regulator plunger with an integrated priming check valve
  • FIG. 3 is an exploded, perspective view of a pressure regulator plunger with an integrated check valve
  • FIG. 4 is cross-sectional view of a pressure regulator plunger with an integrated priming check valve
  • FIG. 5 is a flowchart of a method of manufacture of a pressure regulator plunger with integrated priming check valve.
  • FIGs. 1A and IB illustrate perspective views of a pressure regulator plunger with integrated check valve.
  • Pressure regulator plunger 100 may comprise a housing unit 110 which may include a chamber (shown in FIG. 4) having an inlet portion 120 and an outlet portion 130.
  • Pressure regulator plunger 100 may also include a pressure relief valve 150 disposed between the inlet portion 120 and a retainer (shown in FIGs. 2, 3, and 4 as 160).
  • the retainer 160 may be structured to prevent the relief valve 150 from moving past a predetermined longitudinal position (e.g., past the position of the retainer 160), while the inlet housing 190 may be structured to prevent the relief valve from moving past a predetermined longitudinal position proximate inlet portion 120.
  • inlet housing may comprise an inner angled surface 1 13, which may allow for relief valve to seat against inlet housing 190.
  • Inner angled surface 1 13 may comprise various angles and is not particularly limited. In embodiments where the inner wall of the housing unit is substantially annular, inner angled surface 1 13 may be substantially frustoconical, as exemplified in FIG. 4.
  • inlet housing 190 and housing unit 110 may form an integral piece, for example, as illustrated in FIG. 4.
  • the retainer 160 may be structured to allow fluid to pass from the inlet portion 120 to the outlet portion 130.
  • the pressure regulator does not comprise a spring and, thus, may be preferable to other conventional pressure regulator plungers because of reduced costs, improved robustness, and a reduction of internal components.
  • the pressure regulator plunger 100 may comprise relief holes 140 for ease of handling during manufacture or installation.
  • FIG. 1A shows the pressure relief valve 150 in an over-pressure configuration. This configuration may occur when the fuel pressure exceeds certain thresholds. In various embodiments, fuel is then allowed to flow from the inlet 120 around the pressure relief valve 150 and through outlet 130. In some embodiments, for example, fuel that passes through the outlet 130 may be redirected back to the fuel pump.
  • FIG. 2A is a front view of the pressure regulator plunger 100 with the inlet housing 190 and priming valve 150 removed.
  • FIG. 2B is a front view of the pressure regulator plunger 100 with the inlet housing 190 and pressure relief valve 150 in an exemplary configuration.
  • retainer 160 may be structured to allow fluid to pass from the inlet portion 120 to the outlet portion 130.
  • retainer 160 may be structured to allow fluid flow between an outer portion of the retainer and an inner wall of the housing unit.
  • retainer 160 may include flat flow areas 165 along an outer surface of retainer 160 as exemplified in FIG 2 A and FIG. 3.
  • this configuration constitutes an exemplary means for allowing the fluid to pass from inlet portion 120 to outlet portion 130.
  • the retainer 160 may be substantially cylindrical in shape (except for flat flow areas 165), as shown in FIG. 3, which is an exploded view of pressure regulator plunger 100.
  • retainer 160 also comprises rounded portions 167, which may be configured to engage with the inner wall 115 (shown in FIG. 4) of housing unit 110.
  • retainer 160 is not particularly limited and may include any shape or other means for allowing fluid to pass from the inlet portion to the outlet portion.
  • retainer 160 may be structured to allow fluid to flow though the retainer (e.g., through a hole or plurality of holes) or past the retainer in one or more grooves formed on the outer surface of retainer 160.
  • FIG. 4 is a cross-sectional view of a pressure regulator plunger 100 with an integrated check valve.
  • housing unit 110 may include a chamber 111.
  • the inner wall 115 of the chamber 111 may be form a substantially cylindrical bore (e.g., where retainer 160 is substantially
  • pressure relief valve 150 may be configured to move longitudinally along inner wall 115 of chamber 111.
  • pressure relief valve may be a variety of shapes and is not particularly limited.
  • pressure relief valve 150 may be spherical, such as a sphere, a sphere with tiling, or spheroid (e.g., a prolate, an oblate, etc.).
  • Other exemplary geometries for pressure relief valve 150 include a toms, a cone, or a pyramid.
  • pressure relief valve 150 is also not particularly limited.
  • pressure relief 150 valve may comprise a metal, plastic/rubbers, or combinations thereof.
  • Exemplary metals include aluminum, tungsten, platinum, iridium, rhodium, nickel, copper, zinc, cadmium, silver, gold, iron, ruthenium, molybdenum, alloys thereof, or combinations thereof.
  • Exemplary plastics/rubbers include fiuoroelastomers (FKM), perfluoro-elastomers (FFKM), tetrafluoro ethylene/propylene rubbers (FEPM), or mixtures thereof.
  • pressure relief valve 150 may be biased towards inlet portion 120 of chamber 1 15 of inlet housing 190.
  • pressure relief valve 150 may be configured to move longitudinally towards outlet portion 130, in response to the pressure near inlet portion 120 of pressure regulator plunger 100 reaching a threshold value.
  • a flow path may be created, relieving the overpressure in the fuel system, for example, in an engine.
  • pressure regulators having a housing unit comprising a chamber having an inlet portion and an outlet portion, a pressure relief valve disposed between the inlet portion and a retainer, means for preventing the relief valve from moving past a predetermined longitudinal position, means for allowing fluid to pass from the inlet portion to the outlet portion, and means for biasing the pressure relief valve, wherein the biasing means is not a spring.
  • FIG. 4 illustrates pressure regulator 100 having a housing unit 110 comprising a chamber 11 1 having an inlet portion 120 and an outlet portion 130, a pressure relief valve 150 disposed between the inlet portion 120 and a retainer 160, means for preventing the relief valve from moving past a predetermined longitudinal position, means for allowing fluid to pass from the inlet portion 120 to the outlet portion 130, and means for biasing the pressure relief valve, wherein the biasing means is not a spring.
  • the biasing means are not particularly limited and may include magnetic means, gravitational means, or a combination thereof.
  • part of the housing unit 110 near inlet portion 120 may comprise magnetic material and pressure relief valve 150 may comprise ferromagnetic material, biasing pressure relief valve 150 near inlet portion 120 (e.g., in a closed position).
  • the pressure regulator may include a housing unit including a chamber having an inlet portion and an outlet portion, a pressure relief valve disposed between the inlet portion and a retainer, wherein the retainer is structured directly communicate with the pressure relief valve to prevent the relief valve from moving past a predetermined longitudinal position and the retainer is structured to allow fluid to pass from the inlet portion to the outlet portion.
  • the pressure relief valve may be biased to the inlet portion of the housing unit, for example, in some embodiments, in the closed position.
  • FIG. 5 illustrates a method for manufacturing of a pressure regulator plunger with an integrated check valve.
  • Method 500 may include disposing a pressure relief valve into a housing unit comprising a chamber having an inlet portion and an outlet portion (step 510), disposing a retainer into the housing unit (step 520), biasing the pressure relief valve without a spring (step 530), and coupling the retainer to the housing unit (step 540) so the pressure relief valve is disposed between the inlet portion and the retainer, wherein the retainer is structured to prevent the relief valve from moving past a predetermined longitudinal position and the retainer is structured to allow fluid to pass from the inlet portion to the outlet portion.
  • Method 500 is not particularly limited and may include any of the various embodiments of pressure relief valves, housing units, and/or retainers disclosed herein.
  • step 510 may include disposing a pressure relief valve into a housing unit where the pressure relief valve comprises a fiuoroelastomer (FKM), perfiuoro-elastomers (FFKM), tetrafluoro ethylene/propylene rubbers (FEPM), aluminum, tungsten, platinum, iridium, rhodium, nickel, copper, zinc, cadmium, silver, gold, iron, ruthenium, molybdenum, alloys thereof, or combinations thereof.
  • FKM fiuoroelastomer
  • FFKM perfiuoro-elastomers
  • FEPM tetrafluoro ethylene/propylene rubbers
  • an example embodiment indicates that the embodiment described may include a particular feature, structure, or characteristic, but every embodiment may not necessarily include the particular feature, structure, or characteristic. Moreover, such phrases are not necessarily referring to the same embodiment. Further, when a particular feature, structure, or characteristic is described in connection with an embodiment, it is submitted that it is within the knowledge of one skilled in the art with the benefit of the present disclosure to affect such feature, structure, or characteristic in connection with other embodiments whether or not explicitly described. After reading the description, it will be apparent to one skilled in the relevant art(s) how to implement the disclosure in alternative embodiments.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Safety Valves (AREA)

Abstract

L'invention concerne un régulateur de pression comprenant une unité de boîtier ayant une chambre avec une partie d'entrée et une partie de sortie et une soupape de décharge de pression disposée entre la partie d'entrée et un dispositif de retenue, le dispositif de retenue étant structuré de manière à empêcher la soupape de décharge de se déplacer au-delà d'une position longitudinale prédéterminée et le dispositif de retenue étant structuré de manière à permettre au fluide de passer de la partie d'entrée à la partie de sortie, le régulateur de pression ne comprenant pas de ressort.
PCT/US2016/031463 2016-05-09 2016-05-09 Piston régulateur de pression à clapet anti-retour intégré Ceased WO2017196295A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PCT/US2016/031463 WO2017196295A1 (fr) 2016-05-09 2016-05-09 Piston régulateur de pression à clapet anti-retour intégré

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/US2016/031463 WO2017196295A1 (fr) 2016-05-09 2016-05-09 Piston régulateur de pression à clapet anti-retour intégré

Publications (1)

Publication Number Publication Date
WO2017196295A1 true WO2017196295A1 (fr) 2017-11-16

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ID=60267485

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PCT/US2016/031463 Ceased WO2017196295A1 (fr) 2016-05-09 2016-05-09 Piston régulateur de pression à clapet anti-retour intégré

Country Status (1)

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WO (1) WO2017196295A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20230417334A1 (en) * 2020-11-27 2023-12-28 Kyocera Corporation Ball for check valves
CN118274161A (zh) * 2024-06-03 2024-07-02 诚联恺达科技有限公司 一种重锤式泄压阀、真空回流焊接炉及稳压方法

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB958512A (en) * 1959-11-25 1964-05-21 Knopf Karl Horst Ball check valve for pressurized gas containers
EP0321129A2 (fr) * 1987-12-04 1989-06-21 Vernay Laboratories,Inc. Dispositif tubulaire métallique comportant une pointe en élastomère composite pour armature et vanne à aiguille
JPH1073028A (ja) * 1996-08-29 1998-03-17 Futaba Corp 模型用エンジンの燃料加圧制御弁
US6186368B1 (en) * 1999-05-26 2001-02-13 Michael Gene Knickerbocker Manually actuated pump assembly
WO2004016974A1 (fr) * 2002-08-14 2004-02-26 Kunitaka Mizobe Soupape de retour
US20040173312A1 (en) * 2001-09-06 2004-09-09 Kouji Shibayama Vacuum exhaust apparatus and drive method of vacuum apparatus
US20080230131A1 (en) * 2007-03-23 2008-09-25 Madama Llc Irrigation system and shut-off control device therefor
US8347688B2 (en) * 2000-01-25 2013-01-08 State Of Oregon Acting By And Through The State Board Of Higher Education On Behalf Of Portland State University Method and apparatus for sample analysis
DE102014109587A1 (de) * 2013-07-16 2015-01-22 GM Global Technology Operations, LLC (n.d. Ges. d. Staates Delaware) Zweiflutiges Rückschlagventil für Kurbelgehäuse-Zwangsentlüftungssystem

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB958512A (en) * 1959-11-25 1964-05-21 Knopf Karl Horst Ball check valve for pressurized gas containers
EP0321129A2 (fr) * 1987-12-04 1989-06-21 Vernay Laboratories,Inc. Dispositif tubulaire métallique comportant une pointe en élastomère composite pour armature et vanne à aiguille
JPH1073028A (ja) * 1996-08-29 1998-03-17 Futaba Corp 模型用エンジンの燃料加圧制御弁
US6186368B1 (en) * 1999-05-26 2001-02-13 Michael Gene Knickerbocker Manually actuated pump assembly
US8347688B2 (en) * 2000-01-25 2013-01-08 State Of Oregon Acting By And Through The State Board Of Higher Education On Behalf Of Portland State University Method and apparatus for sample analysis
US20040173312A1 (en) * 2001-09-06 2004-09-09 Kouji Shibayama Vacuum exhaust apparatus and drive method of vacuum apparatus
WO2004016974A1 (fr) * 2002-08-14 2004-02-26 Kunitaka Mizobe Soupape de retour
US20080230131A1 (en) * 2007-03-23 2008-09-25 Madama Llc Irrigation system and shut-off control device therefor
DE102014109587A1 (de) * 2013-07-16 2015-01-22 GM Global Technology Operations, LLC (n.d. Ges. d. Staates Delaware) Zweiflutiges Rückschlagventil für Kurbelgehäuse-Zwangsentlüftungssystem

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20230417334A1 (en) * 2020-11-27 2023-12-28 Kyocera Corporation Ball for check valves
CN118274161A (zh) * 2024-06-03 2024-07-02 诚联恺达科技有限公司 一种重锤式泄压阀、真空回流焊接炉及稳压方法

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