Internal-combustion engines – Accessories – Covers – trays – vibrators – corrosion inhibitors – air filters
Patent
1981-08-31
1984-06-26
Lazarus, Ira S.
Internal-combustion engines
Accessories
Covers, trays, vibrators, corrosion inhibitors, air filters
123182, 123321, 123 9017, F02B 7708
Patent
active
044559771
ABSTRACT:
A safety device for an implement powered by a four-stroke cycle internal combustion engine having a deadman control for reducing the time required to stop the engine when the deadman control is released is disclosed and includes a switch operable upon release of the deadman control to disable the engine ignition system and an arrangement for opening an engine valve at a time other than its normal opening time in the engine cycle. In one preferred embodiment an engine exhaust valve is opened about maximum at 25 degrees prior to top deadcenter position of the engine piston during its compression stroke.
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Hoffman John F.
Jeffers Albert L.
Lazarus Ira S.
Tecumseh Products Company
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