Machine element or mechanism – Engine starters – Automatic
Patent
1986-03-27
1989-02-21
Herrmann, Allan D.
Machine element or mechanism
Engine starters
Automatic
192 42, 192 94, 192104R, F02N 1502, F16D 4306
Patent
active
048054704
ABSTRACT:
An engagement coupling for a starter drive, in which driving and driven jaws (20, 21) engage each other through face gears, is provided with a blocking mechanism (51). The blocking mechanism (51) is located in the driven jaw (21) and consists of flyweights (57) and a blocking rod (55). The flyweights (57) cause the rod (55) to extend into a blocking position against a pinion assembly (11) when a predetermined engine speed has been reached and the jaws (20, 21) have been separated. Once the rod (55) has been extended and the rotational speed of the driven jaw (21)is maintained, the rod (55) blocks the driving jaw (20) from destructively engaging the driven jaw (21). The blocking condition remains effective until such time as the driven (21) jaw has slowed down, e.g. after the engine has been shut down.
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patent: 1144097 (1915-06-01), Bendix
patent: 2526127 (1950-10-01), Gilbert
patent: 2762224 (1956-09-01), Hoefener
patent: 2921473 (1960-01-01), Fellows
patent: 2937730 (1960-05-01), Quenneville
patent: 3090242 (1963-05-01), Sabatini
patent: 3319755 (1967-05-01), Digby
patent: 3458019 (1969-07-01), Fant et al.
patent: 3915020 (1975-10-01), Johnson
patent: 4114746 (1978-09-01), Usui et al.
patent: 4253557 (1981-03-01), Bunger
patent: 4355917 (1982-10-01), Bunger
Herrmann Allan D.
Morgan Christopher H.
Parker-Hannifin Corporation
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