GB2612070B - Pneumatic valve damping to improve air venting noise - Google Patents

Pneumatic valve damping to improve air venting noise Download PDF

Info

Publication number
GB2612070B
GB2612070B GB2115071.9A GB202115071A GB2612070B GB 2612070 B GB2612070 B GB 2612070B GB 202115071 A GB202115071 A GB 202115071A GB 2612070 B GB2612070 B GB 2612070B
Authority
GB
United Kingdom
Prior art keywords
pneumatic valve
improve air
air venting
valve damping
venting noise
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.)
Withdrawn - After Issue
Application number
GB2115071.9A
Other versions
GB2612070A (en
GB202115071D0 (en
Inventor
Andrews Jake
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.)
Jaguar Land Rover Ltd
Original Assignee
Jaguar Land Rover Ltd
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 Jaguar Land Rover Ltd filed Critical Jaguar Land Rover Ltd
Priority to GB2115071.9A priority Critical patent/GB2612070B/en
Publication of GB202115071D0 publication Critical patent/GB202115071D0/en
Publication of GB2612070A publication Critical patent/GB2612070A/en
Application granted granted Critical
Publication of GB2612070B publication Critical patent/GB2612070B/en
Withdrawn - After Issue legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60G—VEHICLE SUSPENSION ARRANGEMENTS
    • B60G17/00—Resilient suspensions having means for adjusting the spring or vibration-damper characteristics, for regulating the distance between a supporting surface and a sprung part of vehicle or for locking suspension during use to meet varying vehicular or surface conditions, e.g. due to speed or load
    • B60G17/02—Spring characteristics, e.g. mechanical springs and mechanical adjusting means
    • B60G17/04—Spring characteristics, e.g. mechanical springs and mechanical adjusting means fluid spring characteristics
    • B60G17/052—Pneumatic spring characteristics
    • B60G17/0523—Regulating distributors or valves for pneumatic springs
    • B60G17/0528—Pressure regulating or air filling valves
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60G—VEHICLE SUSPENSION ARRANGEMENTS
    • B60G17/00—Resilient suspensions having means for adjusting the spring or vibration-damper characteristics, for regulating the distance between a supporting surface and a sprung part of vehicle or for locking suspension during use to meet varying vehicular or surface conditions, e.g. due to speed or load
    • B60G17/02—Spring characteristics, e.g. mechanical springs and mechanical adjusting means
    • B60G17/04—Spring characteristics, e.g. mechanical springs and mechanical adjusting means fluid spring characteristics
    • B60G17/052—Pneumatic spring characteristics
    • B60G17/0523—Regulating distributors or valves for pneumatic springs
    • 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
    • F16K17/00—Safety valves; Equalising valves, e.g. pressure relief valves
    • F16K17/02—Safety valves; Equalising valves, e.g. pressure relief valves opening on surplus pressure on one side; closing on insufficient pressure on one side
    • F16K17/04—Safety valves; Equalising valves, e.g. pressure relief valves opening on surplus pressure on one side; closing on insufficient pressure on one side spring-loaded
    • F16K17/0433—Safety valves; Equalising valves, e.g. pressure relief valves opening on surplus pressure on one side; closing on insufficient pressure on one side spring-loaded with vibration preventing means
    • 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
    • F16K31/00—Actuating devices; Operating means; Releasing devices
    • F16K31/12—Actuating devices; Operating means; Releasing devices actuated by fluid
    • F16K31/122—Actuating devices; Operating means; Releasing devices actuated by fluid the fluid acting on a piston
    • F16K31/1221—Actuating devices; Operating means; Releasing devices actuated by fluid the fluid acting on a piston one side of the piston being spring-loaded
    • 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
    • F16K31/00—Actuating devices; Operating means; Releasing devices
    • F16K31/12—Actuating devices; Operating means; Releasing devices actuated by fluid
    • F16K31/122—Actuating devices; Operating means; Releasing devices actuated by fluid the fluid acting on a piston
    • F16K31/1226—Actuating devices; Operating means; Releasing devices actuated by fluid the fluid acting on a piston the fluid circulating through the piston
    • 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
    • F16K47/00—Means in valves for absorbing fluid energy
    • F16K47/01—Damping of valve members
    • F16K47/011—Damping of valve members by means of a dashpot
    • F16K47/0111—Damping of valve members by means of a dashpot the valve members comprising a plunger sliding within a fixed dashpot
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60G—VEHICLE SUSPENSION ARRANGEMENTS
    • B60G2500/00—Indexing codes relating to the regulated action or device
    • B60G2500/20—Spring action or springs
    • B60G2500/201—Air spring system type
    • B60G2500/2012—Open systems
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60G—VEHICLE SUSPENSION ARRANGEMENTS
    • B60G2500/00—Indexing codes relating to the regulated action or device
    • B60G2500/20—Spring action or springs
    • B60G2500/204—Pressure regulating valves for air-springs
    • B60G2500/2044—Air exhausting valves

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Vehicle Body Suspensions (AREA)
GB2115071.9A 2021-10-21 2021-10-21 Pneumatic valve damping to improve air venting noise Withdrawn - After Issue GB2612070B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB2115071.9A GB2612070B (en) 2021-10-21 2021-10-21 Pneumatic valve damping to improve air venting noise

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB2115071.9A GB2612070B (en) 2021-10-21 2021-10-21 Pneumatic valve damping to improve air venting noise

Publications (3)

Publication Number Publication Date
GB202115071D0 GB202115071D0 (en) 2021-12-08
GB2612070A GB2612070A (en) 2023-04-26
GB2612070B true GB2612070B (en) 2023-12-06

Family

ID=78806091

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2115071.9A Withdrawn - After Issue GB2612070B (en) 2021-10-21 2021-10-21 Pneumatic valve damping to improve air venting noise

Country Status (1)

Country Link
GB (1) GB2612070B (en)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20090079154A1 (en) * 2007-09-21 2009-03-26 Bendix Commercial Vehicle Systems Llc Pilot operated valve with inversion control and pressure hold functions
CN113580869A (en) * 2021-08-30 2021-11-02 中车长春轨道客车股份有限公司 Novel rail vehicle height adjusting device

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20090079154A1 (en) * 2007-09-21 2009-03-26 Bendix Commercial Vehicle Systems Llc Pilot operated valve with inversion control and pressure hold functions
CN113580869A (en) * 2021-08-30 2021-11-02 中车长春轨道客车股份有限公司 Novel rail vehicle height adjusting device

Also Published As

Publication number Publication date
GB2612070A (en) 2023-04-26
GB202115071D0 (en) 2021-12-08

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Legal Events

Date Code Title Description
S29 Surrender of patent (sect. 29/pat. act 1977)

Free format text: OFFER FILED; APPLICATION FILED 12 DECEMBER 2023

S29 Surrender of patent (sect. 29/pat. act 1977)

Free format text: OFFER ACCEPTED