Electricity: motive power systems – Plural diverse motor controls – Motor-reversing
Patent
1998-08-18
2000-08-29
Ro, Bentsu
Electricity: motive power systems
Plural diverse motor controls
Motor-reversing
318266, 318267, 318446, B60J 117
Patent
active
061113735
ABSTRACT:
A power window apparatus for a vehicle, which can open or close a door window by manual operation of a power window switch for energizing either of window-opening and closing relays for rotating a motor in the forward or reverse direction or by automatic operation of the same switch to cause an auto-latching circuit or a control unit to maintain either of the relays in an energized state until the window becomes fully opened or closed. The apparatus is provided with a switch for deenergizing a coil of the window-closing relay by disconnecting the control circuit for latching the energized window-closing relay, thus enabling the opening of the window by manual switch operation whenever an abnormal operation of the auto-latch control system occurs with simultaneous energization of both the window-opening and closing relays in an accident such as the vehicle sinking into water.
REFERENCES:
patent: 3611099 (1971-10-01), Kuroyama
patent: 3675101 (1972-07-01), Robbins
patent: 5574315 (1996-11-01), Weber
Ro Bentsu
Toyo Denso Kabushiki Kaisha
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