Arrangement for hydraulic pressure feed in internal combustion e

Details Arrangement for hydraulic pressure feed in internal combustion e Arrangement for hydraulic pressure feed in internal combustion e

1984-01-18

1987-06-16

Cline, William R.

Internal-combustion engines

Poppet valve operating mechanism

Lubrication

123 9027, F01L 124

Patent

active

046729267

ABSTRACT:
An arrangement for hydraulic pressure feed to self-adjusting hydraulic valve pushers in an internal combustion engine has a number of valves arranged in line in the engine cylinder head. The valve pushers are actuable by a cam shaft rotatably mounted in a number of bearings mounted on the cylinder head above the valves and the valve pushers. For providing the valve pushers and cam shaft bearings with satisfactory hydraulic pressure feed via a passage system limited in the cylinder head, in a simple and inexpensive way, the pressure oil is fed via a distribution conduit running along the line of valves and having a number of branch conduits. Each branch conduit extends in a plane at right angles to the cam shaft through one of its bearings, for pressure feed to said bearing and to at least one valve pusher. Each branch conduit preferably connects to a pocket formed in the cylinder head connecting the bearings of two valve pushers to each other.

REFERENCES:
patent: 2641235 (1953-06-01), Slonneger
patent: 3412720 (1968-11-01), Binder
patent: 3877446 (1975-04-01), Morgan
patent: 4258673 (1981-03-01), Stoody, Jr. et al.
patent: 4430968 (1984-02-01), Futakuchi et al.
patent: 4441465 (1984-04-01), Nakamura
European Patent Application 0030781, 6/24/81, Buente.

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