EP 0272423 B1 19910410 - SELF-ADJUSTING HYDRAULIC VALVE TAPPET
Title (en)
SELF-ADJUSTING HYDRAULIC VALVE TAPPET
Publication
Application
Priority
DE 3639911 A 19861122
Abstract (en)
[origin: US4787347A] A self-adjusting hydraulic valve tappet arranged in a guide bore of a cylinder head of an internal combustion engine and comprising a cup-shaped housing (1) formed by a hollow cylindrical wall (2) closed at one end by an end member (3) against the outside of which a cam abuts, a radial flange (4) provided in the bore of the hollow cylindrical wall (2) at a distance from the end member and guides for longitudinal movement of the hydraulic play compensating element (6) in a bore (5) concentric to the hollow cylindrical wall (2), characterized in that the radial flange (4) is a separate unit made of a material which has a higher thermal expansion coefficient than steel and the radial flange is inserted with its outer surface (7) in liquid-tight manner in the bore of the hollow cylindrical wall (2) and fixed therein.
IPC 1-7
IPC 8 full level
CPC (source: EP US)
F01L 1/25 (2013.01 - EP US)
Citation (examination)
- EP 0030781 A1 19810624 - EATON CORP [US]
- EP 0179323 A1 19860430 - SCHAEFFLER WAELZLAGER KG [DE]
- FR 2476740 A1 19810828 - MOTOMAK [DE]
Designated contracting state (EPC)
DE ES FR GB IT
DOCDB simple family (publication)
EP 0272423 A1 19880629; EP 0272423 B1 19910410; BR 8706265 A 19880628; DE 3639911 A1 19880601; DE 3769297 D1 19910516; ES 2021326 B3 19911101; JP H0451644 B2 19920819; JP S63131807 A 19880603; US 4787347 A 19881129
DOCDB simple family (application)
EP 87116363 A 19871106; BR 8706265 A 19871120; DE 3639911 A 19861122; DE 3769297 T 19871106; ES 87116363 T 19871106; JP 28860687 A 19871117; US 10163487 A 19870928