Hydraulic tappet for an internal combustion engine having an ove

Details Hydraulic tappet for an internal combustion engine having an ove Hydraulic tappet for an internal combustion engine having an ove

1979-08-13

1981-07-21

Myhre, Charles J.

Internal-combustion engines

Poppet valve operating mechanism

Tappet

123 9056, 123 9048, F01L 114, F01L 124

Patent

active

042792266

ABSTRACT:
An automatic hydraulic tappet for taking up clearance between a cam and a valve stem in an internal combustion engine with an overhead camshaft can rapidly attain its optimum operational efficiency when the engine is started, since the supply conduit, which supplies engine lubricating oil to an annular groove communicating with a chamber between two tappet members, is provided with a sump which is lower than the groove and, therefore, acts as an oil reservoir when the engine is stopped.

REFERENCES:
patent: 3658038 (1972-04-01), Bergmann
patent: 3670707 (1972-06-01), Guido
patent: 3728990 (1973-04-01), Lampredi et al.

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