GB722812A - Improvements relating to shock absorbers - Google Patents

Improvements relating to shock absorbers

Info

Publication number
GB722812A
GB722812A GB2422651A GB2422651A GB722812A GB 722812 A GB722812 A GB 722812A GB 2422651 A GB2422651 A GB 2422651A GB 2422651 A GB2422651 A GB 2422651A GB 722812 A GB722812 A GB 722812A
Authority
GB
United Kingdom
Prior art keywords
ring
piston
piston portion
pumps
portions
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
GB2422651A
Inventor
John Leslie Cloudsley
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.)
TANCHESTER PROPERTIES Ltd
Original Assignee
TANCHESTER PROPERTIES 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 TANCHESTER PROPERTIES Ltd filed Critical TANCHESTER PROPERTIES Ltd
Priority to GB2422651A priority Critical patent/GB722812A/en
Publication of GB722812A publication Critical patent/GB722812A/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
    • F16F9/50—Special means providing automatic damping adjustment, i.e. self-adjustment of damping by particular sliding movements of a valve element, other than flexions or displacement of valve discs; Special means providing self-adjustment of spring characteristics
    • F16F9/516—Special means providing automatic damping adjustment, i.e. self-adjustment of damping by particular sliding movements of a valve element, other than flexions or displacement of valve discs; Special means providing self-adjustment of spring characteristics resulting in the damping effects during contraction being different from the damping effects during extension, i.e. responsive to the direction of movement
    • 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
    • F16F9/36—Special sealings, including sealings or guides for piston-rods
    • F16F9/368—Sealings in pistons

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Details Of Reciprocating Pumps (AREA)

Abstract

722,812. Piston packing. TANCHESTER PROPERTIES, Ltd. Jan. 16, 1953 [Oct. 17, 1951], No. 24226/51. Class 122 (1). [Also in Group XXXII] A piston in an hydraulic shock-absorber comprises two axially-spaced disc-like portions 7, 8, having a gap between in which a ring 11 fits with friction against the wall of a cylindrical casing 1, one of the piston portions (8) having a smaller diameter than that of the casing 1, and having a resiliently yieldable disc valve 12 operating against its outer face. The ring 11 comprises a band of rigid material embedded in rubber. The ring 11 may also be constructed as shown in Figs. 2 and 3. It may also comprise a rubber annulus in which is embedded a sinuouslyshaped resilient strip, Figs. 4, 5 (not shown). The ring 11 may, however, be of non-composite construction. A spring may be disposed between the piston portion 7 and the ring 11. In operation, on compression, the ring 11 rises against the piston portion 11, and permits flow round the periphery of the piston portion 8. On rebound, the ring 11 cuts off return flow around the piston portion 11, and the resilient disc valve 12 is lifted. According to the Provisional Specification, the invention is applicable to the pistons of pumps (e.g. tyre pumps).
GB2422651A 1951-10-17 1951-10-17 Improvements relating to shock absorbers Expired GB722812A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB2422651A GB722812A (en) 1951-10-17 1951-10-17 Improvements relating to shock absorbers

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB2422651A GB722812A (en) 1951-10-17 1951-10-17 Improvements relating to shock absorbers

Publications (1)

Publication Number Publication Date
GB722812A true GB722812A (en) 1955-02-02

Family

ID=10208378

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2422651A Expired GB722812A (en) 1951-10-17 1951-10-17 Improvements relating to shock absorbers

Country Status (1)

Country Link
GB (1) GB722812A (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1228154B (en) * 1963-08-06 1966-11-03 Erich Loehr G M B H Hydraulic telescopic shock absorber for release brakes
FR2479388A1 (en) * 1980-03-26 1981-10-02 Iao Industrie Riunite Spa TELESCOPIC HYDRAULIC DAMPER FOR THE SUSPENSION OF A MOTOR VEHICLE
US4834223A (en) * 1986-10-29 1989-05-30 Sadao Kawamura Valve structure for telescopic hydraulic damper
EP1026421A2 (en) * 1999-01-27 2000-08-09 Draftex Industries Limited Gas spring
EP3845771A1 (en) * 2019-12-27 2021-07-07 BeijingWest Industries Co. Ltd. Hydraulic damper assembly including an anti-noise member

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1228154B (en) * 1963-08-06 1966-11-03 Erich Loehr G M B H Hydraulic telescopic shock absorber for release brakes
FR2479388A1 (en) * 1980-03-26 1981-10-02 Iao Industrie Riunite Spa TELESCOPIC HYDRAULIC DAMPER FOR THE SUSPENSION OF A MOTOR VEHICLE
US4834223A (en) * 1986-10-29 1989-05-30 Sadao Kawamura Valve structure for telescopic hydraulic damper
EP1026421A2 (en) * 1999-01-27 2000-08-09 Draftex Industries Limited Gas spring
EP1026421A3 (en) * 1999-01-27 2000-12-27 Draftex Industries Limited Gas spring
EP3845771A1 (en) * 2019-12-27 2021-07-07 BeijingWest Industries Co. Ltd. Hydraulic damper assembly including an anti-noise member
US11434969B2 (en) 2019-12-27 2022-09-06 Beijingwest Industries Co., Ltd. Hydraulic damper assembly including an anti-noise member

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