Internal-combustion engines – Poppet valve operating mechanism – Camshaft drive means
Patent
1988-07-01
1989-06-20
Myhre, Charles J.
Internal-combustion engines
Poppet valve operating mechanism
Camshaft drive means
123 9034, F01L 104, F01M 106
Patent
active
048401498
ABSTRACT:
A camshaft apparatus in which different amounts of oil are supplied to both sides of a thrust bearing for a camshaft driven by another camshaft through helical gears. A bearing cap, which is a part of the thrust bearing for the camshaft, is formed with first and second holes communicating with both sides of the thrust bearing. The first hole is located at a certain angular position from the center of the camshaft, and the second hole is located at another certain angular position from the center of the camshaft.
REFERENCES:
patent: 4199202 (1980-04-01), Maeda
patent: 4258673 (1981-03-01), Stoody, Jr. et al.
patent: 4610224 (1986-09-01), Fujita
Lo Weilun
Myhre Charles J.
Toyota Jidosha & Kabushiki Kaisha
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