Internal-combustion engines – Starting device – Compression relieving type
Patent
1980-12-03
1983-01-25
Myhre, Charles J.
Internal-combustion engines
Starting device
Compression relieving type
F01L 1308
Patent
active
043697410
ABSTRACT:
The device comprises a conventional arrangement for opening the decompression valve comprising a manual actuating lever connected to the valve and operative to open the valve in opposition to the action of a return spring which biases the valve to the closing position. A delay device is provided for delaying the return of the valve to the closing position when the actuating lever has been released. The delay device comprises a control member connected to the connection between the actuating lever and the valve and movable substantially in a plane between a first position for opening the valve and a second position for closing the valve. A finger member pivotally mounted on the control member is positioned to engage a helical groove on a shaft rotated by the engine when starting up and is blocked by the shaft until the finger member has travelled to the end of the helical groove and reached the outer extremity of the shaft whereupon it suddenly ceases to be blocked by the shaft and the control member can move to its second position and suddenly close the valve.
REFERENCES:
patent: 1749152 (1930-03-01), Muller
patent: 2947300 (1960-08-01), Trapp
patent: 4185606 (1980-01-01), Miyata
Cycles Peugeot
Dolinar Andrew M.
Myhre Charles J.
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