Double overhead camshaft bearing structure

Details Double overhead camshaft bearing structure Double overhead camshaft bearing structure

1990-07-02

1991-10-01

Okonsky, David A.

Internal-combustion engines

Poppet valve operating mechanism

Overhead camshaft

123 9034, 123 9038, 123193H, F01L 146, F02F 124

Patent

active

050523511

ABSTRACT:
A double overhead camshaft engine has a pair of camshafts, interconnected by gearing, which are disposed in juxtaposition over a cylinder head and supported by bearings. Either one of the camshafts is coupled to a crankshaft by a timing belt. A sealing member is disposed between the engine and a front cover so as to sealingly enclose and hide the timing belt. The sealing member, in the form of a rib forming a closed loop, is divided into a plurality of rib segments, at least one of which is formed integrally with the bearing member.

REFERENCES:
patent: 4497289 (1985-02-01), Bortolussi
patent: 4553510 (1985-11-01), Yano et al.
patent: 4607601 (1986-08-01), Kohler
patent: 4840149 (1989-06-01), Fujita

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