GB831984A - Improvements in or relating to self adjusting tappets for internal combustion enginevalve gear - Google Patents

Improvements in or relating to self adjusting tappets for internal combustion enginevalve gear

Info

Publication number
GB831984A
GB831984A GB33994/56A GB3399456A GB831984A GB 831984 A GB831984 A GB 831984A GB 33994/56 A GB33994/56 A GB 33994/56A GB 3399456 A GB3399456 A GB 3399456A GB 831984 A GB831984 A GB 831984A
Authority
GB
United Kingdom
Prior art keywords
valve
gear
plunger
enginevalve
relating
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
GB33994/56A
Inventor
Cormac Garrett O'neill
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.)
Engineering Res & Applic Ltd
Original Assignee
Engineering Res & Applic 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 Engineering Res & Applic Ltd filed Critical Engineering Res & Applic Ltd
Priority to GB33994/56A priority Critical patent/GB831984A/en
Publication of GB831984A publication Critical patent/GB831984A/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
    • F01L1/00—Valve-gear or valve arrangements, e.g. lift-valve gear
    • F01L1/20—Adjusting or compensating clearance
    • F01L1/22—Adjusting or compensating clearance automatically, e.g. mechanically
    • F01L1/24—Adjusting or compensating clearance automatically, e.g. mechanically by fluid means, e.g. hydraulically
    • F01L1/245—Hydraulic tappets
    • F01L1/25—Hydraulic tappets between cam and valve stem

Abstract

831,984. Valve gear. ENGINEERING RESEARCH & APPLICATION Ltd., [formerly ENGLISH RACING AUTOMOBILES Ltd.]. Nov. 5, 1957 [Nov. 7, 1956], No. 33994/56. Class 7(6) An hydraulic tappet for an overhead camshaft engine comprises a cam-follower 10 with a boss 11 in which slides a spring- loaded plunger 13, the space 22 being supplied with oil through a supply passage 19 and a valve 21 formed by a thin-walled flexible cylinder. The upper end of the plunger 13 is relieved at 20 to accommodate the valve 21 which comprises a cupshaped member formed of nylon, the cylindrical wall of which may be slit on opposite sides of the outlet of passage 19. If the valve 21 fails, the valve 16 remains operative due to the cam-follower 10 contacting the upper end of the plunger 13.
GB33994/56A 1956-11-07 1956-11-07 Improvements in or relating to self adjusting tappets for internal combustion enginevalve gear Expired GB831984A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB33994/56A GB831984A (en) 1956-11-07 1956-11-07 Improvements in or relating to self adjusting tappets for internal combustion enginevalve gear

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB33994/56A GB831984A (en) 1956-11-07 1956-11-07 Improvements in or relating to self adjusting tappets for internal combustion enginevalve gear

Publications (1)

Publication Number Publication Date
GB831984A true GB831984A (en) 1960-04-06

Family

ID=10360031

Family Applications (1)

Application Number Title Priority Date Filing Date
GB33994/56A Expired GB831984A (en) 1956-11-07 1956-11-07 Improvements in or relating to self adjusting tappets for internal combustion enginevalve gear

Country Status (1)

Country Link
GB (1) GB831984A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2441719A1 (en) * 1978-11-15 1980-06-13 Fiat Auto Spa HYDRAULIC TAPPETER FOR INTERNAL COMBUSTION ENGINE AND HEAD CAMSHAFT

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2441719A1 (en) * 1978-11-15 1980-06-13 Fiat Auto Spa HYDRAULIC TAPPETER FOR INTERNAL COMBUSTION ENGINE AND HEAD CAMSHAFT

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