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GB2145771B - Valve stem seals - Google Patents
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GB2145771B - Valve stem seals - Google Patents

Valve stem seals

Info

Publication number
GB2145771B
GB2145771B GB08421222A GB8421222A GB2145771B GB 2145771 B GB2145771 B GB 2145771B GB 08421222 A GB08421222 A GB 08421222A GB 8421222 A GB8421222 A GB 8421222A GB 2145771 B GB2145771 B GB 2145771B
Authority
GB
United Kingdom
Prior art keywords
valve stem
stem seals
seals
valve
stem
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
GB08421222A
Other versions
GB8421222D0 (en
GB2145771A (en
Inventor
Charles William Potter
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.)
JH Fenner and Co Ltd
Original Assignee
JH Fenner and 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 JH Fenner and Co Ltd filed Critical JH Fenner and Co Ltd
Publication of GB8421222D0 publication Critical patent/GB8421222D0/en
Publication of GB2145771A publication Critical patent/GB2145771A/en
Application granted granted Critical
Publication of GB2145771B publication Critical patent/GB2145771B/en
Expired legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01L—CYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES
    • F01L3/00—Lift-valve, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces; Parts or accessories thereof
    • F01L3/08—Valves guides; Sealing of valve stem, e.g. sealing by lubricant

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Sealing With Elastic Sealing Lips (AREA)
GB08421222A 1983-09-01 1984-08-21 Valve stem seals Expired GB2145771B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB838323418A GB8323418D0 (en) 1983-09-01 1983-09-01 Valve stem seals

Publications (3)

Publication Number Publication Date
GB8421222D0 GB8421222D0 (en) 1984-09-26
GB2145771A GB2145771A (en) 1985-04-03
GB2145771B true GB2145771B (en) 1987-06-24

Family

ID=10548155

Family Applications (2)

Application Number Title Priority Date Filing Date
GB838323418A Pending GB8323418D0 (en) 1983-09-01 1983-09-01 Valve stem seals
GB08421222A Expired GB2145771B (en) 1983-09-01 1984-08-21 Valve stem seals

Family Applications Before (1)

Application Number Title Priority Date Filing Date
GB838323418A Pending GB8323418D0 (en) 1983-09-01 1983-09-01 Valve stem seals

Country Status (2)

Country Link
EP (1) EP0136057A3 (en)
GB (2) GB8323418D0 (en)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4763618A (en) * 1987-04-03 1988-08-16 Microdot Inc. Valve stem oil deflector
US4834037A (en) * 1987-10-14 1989-05-30 Dana Corporation Unitary molded plastic valve seal
DE3836578A1 (en) * 1988-10-27 1990-05-03 Goetze Ag Valve stem sealing for internal combustion engines
DE19945348C2 (en) * 1999-09-22 2003-07-10 Freudenberg Carl Kg Seal for reciprocating machine parts
US6764079B1 (en) * 2002-04-19 2004-07-20 Dana Corporation Valve seal assembly with straight-walled retainer
CA2521353A1 (en) * 2004-09-29 2006-03-29 Dana Corporation Upside-down square-up valve stem seal
JP2007298143A (en) * 2006-05-02 2007-11-15 Nok Corp Oil seal
JP5751450B2 (en) * 2011-07-09 2015-07-22 Nok株式会社 Valve stem seal device

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1078586A (en) * 1912-04-22 1913-11-11 George C Knauff Socket for electric lamps.
IT7967950A0 (en) * 1979-05-07 1979-05-07 Supertex Spa ASSEMBLY CONSISTING OF A SEAL FOR VALVE STEMS AND A SPRING SUPPORT CAP
GB2105403B (en) * 1981-06-17 1984-09-19 Fenner Co Ltd J H I c engine intake and exhaust valve stem seals
DE3245338C2 (en) * 1982-12-08 1985-10-31 Fa. Carl Freudenberg, 6940 Weinheim poetry

Also Published As

Publication number Publication date
GB8323418D0 (en) 1983-10-05
EP0136057A3 (en) 1986-04-16
EP0136057A2 (en) 1985-04-03
GB8421222D0 (en) 1984-09-26
GB2145771A (en) 1985-04-03

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee