Electricity: motive power systems – Automatic and/or with time-delay means – Plural – diverse conditions or with time-delay means
Patent
1988-01-14
1989-04-18
Ro, Bentsu
Electricity: motive power systems
Automatic and/or with time-delay means
Plural, diverse conditions or with time-delay means
318466, 296 76, 29234116, E05B 4700, E05B 6519, E05F 1510
Patent
active
048230596
ABSTRACT:
A control for a motorized deck lid pull down mechanism which does not require the use of mechanically activated limit switches for detecting deck lid positions or the presence of closing or sealing obstructions. Detection of specified pull down conditions as well as the presence of deck lid obstructions is achieved by monitoring the magnitude of motor current in relation to various predefined motor current thresholds. Engagement of the deck lid with obstructions during the pull down sequence will cause the motor current to exceed the closing and sealing thresholds, terminating or reversing the respective function.
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Chapman Walter C.
Compeau David E.
Pyszel Ronald J.
Rogers Lloyd W.
General Motors Corporation
Navarre Mark A.
Ro Bentsu
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