GB1335815A - Piston with a pressure seal - Google Patents

Piston with a pressure seal

Info

Publication number
GB1335815A
GB1335815A GB1335815DA GB1335815A GB 1335815 A GB1335815 A GB 1335815A GB 1335815D A GB1335815D A GB 1335815DA GB 1335815 A GB1335815 A GB 1335815A
Authority
GB
United Kingdom
Prior art keywords
piston
ring
along line
pressure seal
cylinder
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
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.)
WORCESTER VLAVE CO Ltd
Original Assignee
WORCESTER VLAVE CO 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 WORCESTER VLAVE CO Ltd filed Critical WORCESTER VLAVE CO Ltd
Publication of GB1335815A publication Critical patent/GB1335815A/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
    • F16J—PISTONS; CYLINDERS; SEALINGS
    • F16J15/00—Sealings
    • F16J15/16—Sealings between relatively-moving surfaces
    • F16J15/32—Sealings between relatively-moving surfaces with elastic sealings, e.g. O-rings

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Transmission Of Braking Force In Braking Systems (AREA)

Abstract

1335815 Piston rings WORCESTER VALVE CO Ltd 16 Nov 1970 31961/73 Divided out of 1334667 Heading F2T A piston and cylinder arrangement includes a piston ring 55 located in a stepped circumferential groove 52, 53 of the piston 51, the ring having a greater coefficient of expansion than the piston so that on decreasing temperature, as the piston and ring contract radially, the portion 57 of the ring 55 splays outwardly to maintain a seal with the cylinder 50. The ring may be made of p.t.f.e. or p.t.f.e. filled with glass powder and the piston may be metallic and split radially along line A or axially along line B.
GB1335815D 1969-08-27 1969-08-27 Piston with a pressure seal Expired GB1335815A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB3196173 1969-08-27

Publications (1)

Publication Number Publication Date
GB1335815A true GB1335815A (en) 1973-10-31

Family

ID=10330965

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1335815D Expired GB1335815A (en) 1969-08-27 1969-08-27 Piston with a pressure seal

Country Status (1)

Country Link
GB (1) GB1335815A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2535797A1 (en) * 1982-11-08 1984-05-11 Teves Gmbh Alfred HYDRAULIC ACTUATING UNIT, ESPECIALLY FOR DISC BRAKE WITH PARTIAL FITTINGS

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2535797A1 (en) * 1982-11-08 1984-05-11 Teves Gmbh Alfred HYDRAULIC ACTUATING UNIT, ESPECIALLY FOR DISC BRAKE WITH PARTIAL FITTINGS

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Legal Events

Date Code Title Description
PS Patent sealed
PLNP Patent lapsed through nonpayment of renewal fees