US3203449A - Supply and exhaust valve with piston type inlet - Google Patents

Supply and exhaust valve with piston type inlet Download PDF

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Publication number
US3203449A
US3203449A US252803A US25280363A US3203449A US 3203449 A US3203449 A US 3203449A US 252803 A US252803 A US 252803A US 25280363 A US25280363 A US 25280363A US 3203449 A US3203449 A US 3203449A
Authority
US
United States
Prior art keywords
piston
valve
cam
push rod
leveller
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.)
Expired - Lifetime
Application number
US252803A
Other languages
English (en)
Inventor
Alfieri Giuseppe
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.)
Industrie Magneti Marelli SRL
Original Assignee
Fabbrica Italiana Magneti Marelli SpA
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 Fabbrica Italiana Magneti Marelli SpA filed Critical Fabbrica Italiana Magneti Marelli SpA
Application granted granted Critical
Publication of US3203449A publication Critical patent/US3203449A/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • B60G17/0525—Height adjusting or levelling valves
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T137/00—Fluid handling
    • Y10T137/8593—Systems
    • Y10T137/86919—Sequentially closing and opening alternately seating flow controllers
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T137/00—Fluid handling
    • Y10T137/8593—Systems
    • Y10T137/87917—Flow path with serial valves and/or closures
    • Y10T137/88022—One valve head provides seat for other head

Definitions

  • FIG. 2 shows the device on a larger scale and in a position in which the leveller is operative.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Vehicle Body Suspensions (AREA)
US252803A 1962-01-25 1963-01-21 Supply and exhaust valve with piston type inlet Expired - Lifetime US3203449A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT145062 1962-01-25

Publications (1)

Publication Number Publication Date
US3203449A true US3203449A (en) 1965-08-31

Family

ID=11101462

Family Applications (1)

Application Number Title Priority Date Filing Date
US252803A Expired - Lifetime US3203449A (en) 1962-01-25 1963-01-21 Supply and exhaust valve with piston type inlet

Country Status (3)

Country Link
US (1) US3203449A (it)
BE (1) BE626818A (it)
CH (1) CH386261A (it)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3401134A1 (en) * 2017-05-08 2018-11-14 WABCO Europe BVBA Leveling valve for discharging and supplying fluid
US20190084595A1 (en) * 2016-04-13 2019-03-21 Kyb Corporation Leveling valve

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1747910A (en) * 1928-02-13 1930-02-18 Chester J Siefarth Variable-pressure valve
DE1098309B (de) * 1958-10-10 1961-01-26 Weserhuette Ag Eisenwerk Steuerschieber
US2997314A (en) * 1958-06-18 1961-08-22 Gabriel Co Air spring control mechanism
US3071393A (en) * 1957-09-13 1963-01-01 Bendix Westinghouse Automotive Load control valve for vehicle air springs
US3096789A (en) * 1961-01-23 1963-07-09 Berg Airlectro Products Co Dash control parking brake valve

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1747910A (en) * 1928-02-13 1930-02-18 Chester J Siefarth Variable-pressure valve
US3071393A (en) * 1957-09-13 1963-01-01 Bendix Westinghouse Automotive Load control valve for vehicle air springs
US2997314A (en) * 1958-06-18 1961-08-22 Gabriel Co Air spring control mechanism
DE1098309B (de) * 1958-10-10 1961-01-26 Weserhuette Ag Eisenwerk Steuerschieber
US3096789A (en) * 1961-01-23 1963-07-09 Berg Airlectro Products Co Dash control parking brake valve

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20190084595A1 (en) * 2016-04-13 2019-03-21 Kyb Corporation Leveling valve
EP3401134A1 (en) * 2017-05-08 2018-11-14 WABCO Europe BVBA Leveling valve for discharging and supplying fluid
CN108869793A (zh) * 2017-05-08 2018-11-23 威伯科欧洲有限责任公司 用于排出和供应流体的调平阀
US10696120B2 (en) 2017-05-08 2020-06-30 Wabco Europe Bvba Leveling valve for discharging and supplying fluid
CN108869793B (zh) * 2017-05-08 2022-01-11 威伯科欧洲有限责任公司 用于排出和供应流体的调平阀

Also Published As

Publication number Publication date
BE626818A (it) 1900-01-01
CH386261A (it) 1964-12-31

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