EP0247230A3 - Cup-shaped tappet - Google Patents

Cup-shaped tappet Download PDF

Info

Publication number
EP0247230A3
EP0247230A3 EP86114107A EP86114107A EP0247230A3 EP 0247230 A3 EP0247230 A3 EP 0247230A3 EP 86114107 A EP86114107 A EP 86114107A EP 86114107 A EP86114107 A EP 86114107A EP 0247230 A3 EP0247230 A3 EP 0247230A3
Authority
EP
European Patent Office
Prior art keywords
cavity
inner housing
piston
disposed
chamber
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.)
Granted
Application number
EP86114107A
Other languages
German (de)
Other versions
EP0247230A2 (en
EP0247230B1 (en
Inventor
Alfred Laffter
Erich Neuthard
Klaus Schlag
Helmut Dr. Schluter
Heinz Jansen
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.)
Carl Freudenberg KG
Original Assignee
Carl Freudenberg KG
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 Carl Freudenberg KG filed Critical Carl Freudenberg KG
Priority to AT86114107T priority Critical patent/ATE51935T1/en
Publication of EP0247230A2 publication Critical patent/EP0247230A2/en
Publication of EP0247230A3 publication Critical patent/EP0247230A3/en
Application granted granted Critical
Publication of EP0247230B1 publication Critical patent/EP0247230B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • 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
    • F01L2309/00—Self-contained lash adjusters

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Valve-Gear Or Valve Arrangements (AREA)
  • Treating Waste Gases (AREA)
  • Transition And Organic Metals Composition Catalysts For Addition Polymerization (AREA)
  • Polyesters Or Polycarbonates (AREA)
  • Agricultural Chemicals And Associated Chemicals (AREA)
  • Cookers (AREA)
  • Steroid Compounds (AREA)
  • Carbon And Carbon Compounds (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
  • Food-Manufacturing Devices (AREA)
  • Diaphragms For Electromechanical Transducers (AREA)
  • Control Of Motors That Do Not Use Commutators (AREA)

Abstract

A piston-cylinder cup-type tappet for an internal combustion engine comprises an outer housing defining a first cavity and a hollow piston having a second cavity with the hollow piston being disposed in the first cavity. An aperture provides for fluid flow between the first and second cavities. An inner housing is disposed in the first cavity with the inner housing defining a third cavity. The piston is received in the third cavity of the inner housing wherein the piston and the inner housing jointly define a throttle gap. A compression spring is disposed in the third cavity and supports the hollow piston and the inner housing. A check valve is disposed between the second and third cavities and permits fluid flow from the second cavity to the third cavity. A chamber is defined by the first cavity, the second cavity, the third cavity, the aperture and the throttle gap. An incompressible fluid fills this chamber. The chamber is closed off from the exterior thereof by a fluid impermeable wall and at least a portion of this wall adjacent the first cavity is designed as an elastically resilient spring bellows.
EP86114107A 1986-05-27 1986-10-11 Cup-shaped tappet Expired - Lifetime EP0247230B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT86114107T ATE51935T1 (en) 1986-05-27 1986-10-11 CUP PESTLE.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19863617858 DE3617858A1 (en) 1986-05-27 1986-05-27 MUG PESTLE
DE3617858 1986-05-27

Publications (3)

Publication Number Publication Date
EP0247230A2 EP0247230A2 (en) 1987-12-02
EP0247230A3 true EP0247230A3 (en) 1988-01-20
EP0247230B1 EP0247230B1 (en) 1990-04-11

Family

ID=6301760

Family Applications (1)

Application Number Title Priority Date Filing Date
EP86114107A Expired - Lifetime EP0247230B1 (en) 1986-05-27 1986-10-11 Cup-shaped tappet

Country Status (10)

Country Link
US (1) US4779583A (en)
EP (1) EP0247230B1 (en)
JP (1) JPS62279212A (en)
AT (1) ATE51935T1 (en)
BR (1) BR8701709A (en)
CA (1) CA1329523C (en)
DE (2) DE3617858A1 (en)
ES (1) ES2003512A6 (en)
MX (1) MX169474B (en)
NO (1) NO164194C (en)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE8902780U1 (en) * 1989-03-08 1989-04-20 INA Wälzlager Schaeffler KG, 8522 Herzogenaurach Self-adjusting hydraulic valve tappet
GB2237858A (en) * 1989-11-11 1991-05-15 Gen Motors Luxembourg Operatio Valve-lash adjustment system.
DE4107041A1 (en) * 1991-03-06 1992-09-10 Freudenberg Carl Fa HYDRAULIC GAME COMPENSATION ELEMENT FOR A VALVE DRIVE
DE4125568A1 (en) * 1991-08-02 1993-02-04 Schaeffler Waelzlager Kg HYDRAULIC CUPS
DE4136746A1 (en) * 1991-11-08 1993-05-13 Schaeffler Waelzlager Kg Hydraulic tappet used in IC engine - has membranes actuated by piston to hold fluid volume constant
DE4203897C2 (en) * 1992-02-11 1994-01-27 Freudenberg Carl Fa Hydraulic valve lash adjuster
DE4209245A1 (en) * 1992-03-21 1993-09-23 Schaeffler Waelzlager Kg Self-adjusting cup tappet for vehicle IC engine - has pressure piston formed by spring covered with elastomer material
US5584268A (en) * 1994-12-27 1996-12-17 Ford Motor Company Low inertia rocker arm with lash adjuster and engine valve
US6723451B1 (en) * 2000-07-14 2004-04-20 3M Innovative Properties Company Aluminum matrix composite wires, cables, and method

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2093940A (en) * 1981-03-02 1982-09-08 Stanadyne Inc Hydraulic lash adjuster
EP0156260A2 (en) * 1984-03-27 1985-10-02 RIV-SKF OFFICINE DI VILLAR PEROSA S.p.A Hydraulic tappet for controlling an internal combustion engine valve
DE3506730A1 (en) * 1985-02-26 1986-04-17 Daimler-Benz Ag, 7000 Stuttgart Hydraulic valve clearance adjustment element for internal combustion engines

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA504132A (en) * 1954-07-06 Oldberg Sidney Self-contained hydraulic tappet
JPS6010810B2 (en) * 1975-08-25 1985-03-20 株式会社日立製作所 Rolling mill plate thickness control method
JPS6010810U (en) * 1983-07-04 1985-01-25 小田井鉄工株式会社 Sealed direct-seat hydraulic lifter for internal combustion engine valve mechanism
DE3347670A1 (en) * 1983-12-31 1985-07-11 Jörg 4800 Bielefeld Schwarzbich Hydraulic valve tappet
IT1180083B (en) * 1984-07-24 1987-09-23 Riv Officine Di Villar Perosa WATERPROOF WATER TAPPET FOR THE CONTROL OF THE MOTOR OF A VALVE OF AN ENDOTHERMAL MOTOR
IT8454108V0 (en) * 1984-12-04 1984-12-04 Riv Officine Di Villar Perosa WATERPROOF WATER TAPPET FOR THE CONTROL OF THE MOTOR OF A VALVE OF AN ENDOTHERMAL MOTOR
DE3511501A1 (en) * 1985-03-29 1986-10-09 Motomak Motorenbau, Maschinen- u. Werkzeugfabrik, Konstruktionen GmbH, 8070 Ingolstadt HYDRAULIC CUPS FOR COMBUSTION ENGINES
DE3513161A1 (en) * 1985-04-12 1986-10-16 Goetze Ag, 5093 Burscheid VALVE GAME COMPENSATION DEVICE

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2093940A (en) * 1981-03-02 1982-09-08 Stanadyne Inc Hydraulic lash adjuster
EP0156260A2 (en) * 1984-03-27 1985-10-02 RIV-SKF OFFICINE DI VILLAR PEROSA S.p.A Hydraulic tappet for controlling an internal combustion engine valve
DE3506730A1 (en) * 1985-02-26 1986-04-17 Daimler-Benz Ag, 7000 Stuttgart Hydraulic valve clearance adjustment element for internal combustion engines

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
MOTORTECHNISCHE ZEITSCHRIFT, Band 41, nr. 12, Dezember 1980, Seiten 539-542, Schwäbisch Gmünd, DE; K. DANIEL: "Hydraulischer Ventilspielausgleich - Aufbau, Funktion, Entwicklungsgrundlagen" *

Also Published As

Publication number Publication date
MX169474B (en) 1993-07-07
JPH0553926B2 (en) 1993-08-11
JPS62279212A (en) 1987-12-04
DE3617858C2 (en) 1989-05-18
US4779583A (en) 1988-10-25
DE3617858A1 (en) 1987-12-03
NO164194C (en) 1990-09-05
EP0247230A2 (en) 1987-12-02
BR8701709A (en) 1988-01-26
EP0247230B1 (en) 1990-04-11
NO864505L (en) 1987-11-30
NO864505D0 (en) 1986-11-12
NO164194B (en) 1990-05-28
ES2003512A6 (en) 1988-11-01
ATE51935T1 (en) 1990-04-15
CA1329523C (en) 1994-05-17
DE3670339D1 (en) 1990-05-17

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