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GB1176627A - Vehicle Suspension Strut. - Google Patents

Vehicle Suspension Strut.

Info

Publication number
GB1176627A
GB1176627A GB537868A GB537868A GB1176627A GB 1176627 A GB1176627 A GB 1176627A GB 537868 A GB537868 A GB 537868A GB 537868 A GB537868 A GB 537868A GB 1176627 A GB1176627 A GB 1176627A
Authority
GB
United Kingdom
Prior art keywords
piston
chamber
cylinder
space
valve
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
Application number
GB537868A
Inventor
Norman Waddleton
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.)
Caterpillar Inc
Original Assignee
Caterpillar Tractor Co
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 Caterpillar Tractor Co filed Critical Caterpillar Tractor Co
Priority to GB537868A priority Critical patent/GB1176627A/en
Priority to FR1554454D priority patent/FR1554454A/fr
Publication of GB1176627A publication Critical patent/GB1176627A/en
Expired 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
    • F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
    • F16F9/00—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium
    • F16F9/32—Details
    • F16F9/48—Arrangements for providing different damping effects at different parts of the stroke

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Vehicle Body Suspensions (AREA)
  • Fluid-Damping Devices (AREA)

Abstract

1,176,627. Fluid springs. CATERPILLAR TRACTOR CO. 2 Feb., 1968, No. 5378/68. Heading F2S. In a vehicle suspension strut employing a gas spring, the spring rate is automatically modified according to the load by changing the effective gas volume. The strut consists of a piston and cylinder and the gas is contained in three chambers, viz. the cylinder space A on one side of the piston, a space B within the piston and a reservoir 25 outside the cylinder. The means for changing the effective gas volume is a sliding valve element 37 which, as the piston advances, can isolate space B and/or reservoir 25 from the cylinder space A. Under light loads the gas spring comprises all three chambers. As the piston 15 moves further in, the valve element 37 engages opening 42 and isolates chamber 25. Further compression causes valve 37 to slide, against spring 40, through guide 30 and break the alignment of groove 38 with groove 32 to isolate chamber B. The tube 31 is present to prevent a build up in chamber B of valve-lubricating oil from chamber A. Damping is obtained by oil flow between chambers 18 and 19 via bore 21 and a damping valve 20.
GB537868A 1968-02-02 1968-02-02 Vehicle Suspension Strut. Expired GB1176627A (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
GB537868A GB1176627A (en) 1968-02-02 1968-02-02 Vehicle Suspension Strut.
FR1554454D FR1554454A (en) 1968-02-02 1968-02-20

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB537868A GB1176627A (en) 1968-02-02 1968-02-02 Vehicle Suspension Strut.

Publications (1)

Publication Number Publication Date
GB1176627A true GB1176627A (en) 1970-01-07

Family

ID=9795019

Family Applications (1)

Application Number Title Priority Date Filing Date
GB537868A Expired GB1176627A (en) 1968-02-02 1968-02-02 Vehicle Suspension Strut.

Country Status (2)

Country Link
FR (1) FR1554454A (en)
GB (1) GB1176627A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0133157A2 (en) * 1983-07-20 1985-02-13 Schweizerische Aluminium Ag Shock absorber
GB2149055A (en) * 1983-09-26 1985-06-05 Nhk Spring Co Ltd Vehicle suspension unit with damping & spring rate adjustable

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT1119229B (en) * 1979-10-17 1986-03-03 Roberto Perlini PNEUMATIC OR HYDROPNEUMATIC SUSPENSION PARTICULARLY FOR HEAVY VEHICLES

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0133157A2 (en) * 1983-07-20 1985-02-13 Schweizerische Aluminium Ag Shock absorber
EP0133157A3 (en) * 1983-07-20 1987-06-03 Schweizerische Aluminium Ag Shock absorber
GB2149055A (en) * 1983-09-26 1985-06-05 Nhk Spring Co Ltd Vehicle suspension unit with damping & spring rate adjustable
US4720085A (en) * 1983-09-26 1988-01-19 Nhk Spring Co., Ltd. Vehicle suspension apparatus

Also Published As

Publication number Publication date
FR1554454A (en) 1969-01-17

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