Internal-combustion engines – Starting device – For airplane
Patent
1982-04-05
1984-03-13
Lazarus, Ira S.
Internal-combustion engines
Starting device
For airplane
123179A, 200293, 200159B, F02N 1700
Patent
active
044360657
ABSTRACT:
A starter relay includes a battery terminal, a starter motor terminal connected to the starter motor and a coil for making the relay contacts, with a coil terminal and an energizing circuit which includes a safety switch, as well as an ignition switch and starter switch. Two manually-operable bridging contacts are provided for making connection between the battery terminals and starter motor and respective leads which are connected to the two sides of the safety switch so that manual starting requires closing of the safety switch, as well as the closing of both bridging contacts. The bridging contacts are preferably contacts secured inside an insulation housing which prevents access to the battery and coil terminals for bridging from the outside. Pressure on the housing pushes the bridging contacts into contact with their respective relay terminals.
REFERENCES:
patent: 2828382 (1958-03-01), Davidson
patent: 2887588 (1959-05-01), Williams
patent: 2949105 (1960-08-01), Davis
patent: 2989644 (1961-06-01), Schultz
patent: 3071125 (1963-01-01), Leaver et al.
patent: 3208021 (1965-09-01), Elliott
patent: 3553472 (1971-01-01), Arlandson
patent: 3808914 (1974-05-01), Hauser
Bailey R. S.
Deere & Company
Lazarus Ira S.
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