EP0160287A3 - Perfected hydraulic tappet with automatic slack take-up for internal combustion engines - Google Patents

Perfected hydraulic tappet with automatic slack take-up for internal combustion engines Download PDF

Info

Publication number
EP0160287A3
EP0160287A3 EP85105161A EP85105161A EP0160287A3 EP 0160287 A3 EP0160287 A3 EP 0160287A3 EP 85105161 A EP85105161 A EP 85105161A EP 85105161 A EP85105161 A EP 85105161A EP 0160287 A3 EP0160287 A3 EP 0160287A3
Authority
EP
European Patent Office
Prior art keywords
internal combustion
combustion engines
hydraulic tappet
slack take
automatic slack
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.)
Withdrawn
Application number
EP85105161A
Other languages
German (de)
French (fr)
Other versions
EP0160287A2 (en
Inventor
Franco Colanzi
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.)
SKF Industrie SpA
Original Assignee
RIV SKF Officine di Villar Perosa SpA
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 RIV SKF Officine di Villar Perosa SpA filed Critical RIV SKF Officine di Villar Perosa SpA
Publication of EP0160287A2 publication Critical patent/EP0160287A2/en
Publication of EP0160287A3 publication Critical patent/EP0160287A3/en
Withdrawn legal-status Critical Current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

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Valve-Gear Or Valve Arrangements (AREA)

Abstract

Tappet (1) having a pressure chamber (8) supplied by a pipe (10) having a cut-off valve (11) with a ball (12) floating in a respective truncated-cone seat (13), the said chamber (8) being defined by the upper part (23) of an outer coupling (16) forming part of a cup member (2) cooperating with a cam (9), by a lower annular wall (19) connecting the said outer coupling (16) to a corresponding integral inner coupling (18), by a plate (14) laser-welded for closing off the said upper part of the said outer coupling (16) and the said chamber (8), and by a piston (5) housed in sliding manner inside the said inner coupling (18).
EP85105161A 1984-05-03 1985-04-26 Perfected hydraulic tappet with automatic slack take-up for internal combustion engines Withdrawn EP0160287A3 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
IT5333184U 1984-05-03
IT5333184U IT8453331V0 (en) 1984-05-03 1984-05-03 HYDRAULIC TAPPING MACHINE WITH AUTOMATIC SHOOTING GAME OF THE PERFECT TYPE FOR ENDOTHERMAL ENGINES

Publications (2)

Publication Number Publication Date
EP0160287A2 EP0160287A2 (en) 1985-11-06
EP0160287A3 true EP0160287A3 (en) 1987-01-14

Family

ID=11281851

Family Applications (1)

Application Number Title Priority Date Filing Date
EP85105161A Withdrawn EP0160287A3 (en) 1984-05-03 1985-04-26 Perfected hydraulic tappet with automatic slack take-up for internal combustion engines

Country Status (2)

Country Link
EP (1) EP0160287A3 (en)
IT (1) IT8453331V0 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3919777C1 (en) * 1989-06-16 1990-06-21 Daimler-Benz Aktiengesellschaft, 7000 Stuttgart, De
GB2279719A (en) * 1993-07-09 1995-01-11 Clancey G Ltd An adjustable cam follower

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1241634A (en) * 1968-04-19 1971-08-04 Motomak Valve tappet for engines having an overhead camshaft
DE2952290A1 (en) * 1978-12-26 1980-07-17 Eaton Corp CAM FOLLOWERS
EP0052704A1 (en) * 1980-11-21 1982-06-02 RIV-SKF OFFICINE DI VILLAR PEROSA S.p.A A self adjusting hydraulic tappet for heat engines
EP0055399A1 (en) * 1980-12-29 1982-07-07 Eaton Corporation Hydraulic lash adjuster with plunger retainer

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1241634A (en) * 1968-04-19 1971-08-04 Motomak Valve tappet for engines having an overhead camshaft
DE2952290A1 (en) * 1978-12-26 1980-07-17 Eaton Corp CAM FOLLOWERS
EP0052704A1 (en) * 1980-11-21 1982-06-02 RIV-SKF OFFICINE DI VILLAR PEROSA S.p.A A self adjusting hydraulic tappet for heat engines
EP0055399A1 (en) * 1980-12-29 1982-07-07 Eaton Corporation Hydraulic lash adjuster with plunger retainer

Also Published As

Publication number Publication date
IT8453331V0 (en) 1984-05-03
EP0160287A2 (en) 1985-11-06

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Effective date: 19870715

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Inventor name: COLANZI, FRANCO