Internal-combustion engines – Lubricators – Crankcase – pressure control
Patent
1977-10-31
1979-03-20
Lazarus, Ronald H.
Internal-combustion engines
Lubricators
Crankcase, pressure control
123198D, 184 64, F01M 118
Patent
active
041448626
ABSTRACT:
A system which normally prevents an attempt to start an engine while the engine lubricant pressure is high. However, in an emergency it is possible to crank the engine even though the lubricant pressure is high by operating the start switch and main switch in the reverse of the usual sequence.
REFERENCES:
patent: 2122049 (1938-06-01), Stark
patent: 2499319 (1950-02-01), Lillquist
patent: 2747564 (1956-05-01), Wehling
patent: 2838039 (1958-06-01), Smith et al.
Clark Equipment Company
Lazarus Ronald H.
Witt Kenneth C.
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