Valve gear for four-cycle engine

Details Valve gear for four-cycle engine Valve gear for four-cycle engine

1986-04-04

1987-10-06

Lazarus, Ira S

Internal-combustion engines

Poppet valve operating mechanism

Plural valve trains, single actuator

123 902, 123 9017, F01L 126

Patent

active

046975551

ABSTRACT:
A valve gear adapted for a four-cycle engine having a guide portion formed on the outer surface of an output shaft connected to a crankshaft, and of such a shape folding around the output shaft as to return back to a starting point in two turns, and having interlocking mechanisms provided with portions engaging with the guide portion and moved by the rotation of the crankshaft to open valves. The guide portion, only one in number, is provided on the output shaft connected to the crankshaft, and the interlocking mechanisms for driving intake and exhaust valves are disposed substantially opposite to each other across the output shaft as to engage with aforesaid single guide portion.

REFERENCES:
patent: 979794 (1910-12-01), Peteler
patent: 1102717 (1914-07-01), Brown
patent: 1248597 (1917-12-01), Baker
patent: 1708749 (1929-04-01), Adam
patent: 1741090 (1929-12-01), Adam
patent: 1817153 (1931-08-01), Kinder
patent: 2843095 (1958-07-01), Prentice
patent: 2907311 (1959-10-01), Waldron
patent: 3262435 (1966-07-01), Cribbs
patent: 4577592 (1986-03-01), Bosch et al.

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