Intermittent windshield wiper with wipe after wash

Details Intermittent windshield wiper with wipe after wash Intermittent windshield wiper with wipe after wash

1994-05-02

1998-09-22

Cabeca, John W.

Electricity: motive power systems

Automatic and/or with time-delay means

Time or with time-delay means

1525013, 1525017, 318444, H02P 104

Patent

active

058119507

ABSTRACT:
An intermittent windshield wiper system achieves a substantial wipe event at the end of a wash cycle during intermittent operation. The innovative wiper system includes gear reducing box for reducing the oscillation rate of the wipers below the rotation rate of the wiper motor; a selector switch that functions in conjunction with a first rely for controlling the supply of power to the wiper motor to operate it at a higher speed during the initial phase of intermittent operation and during the wash cycle and with a second relay for controlling the supply of power to the wiper motor to operate it at a lower speed during the remainder of the intermittent cycle and to brake the wiper motor during the final phase of intermittent cycle. The innovative wiper system advantageously utilizes the same mechanism to achieve the normal intermittent dwell, instant on, and wipe after wash timing.

REFERENCES:
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patent: 4158159 (1979-06-01), Orris et al.
patent: 4339698 (1982-07-01), Kearns
patent: 4544870 (1985-10-01), Kearns et al.
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patent: 4916373 (1990-04-01), Al-Attar et al.
patent: 4947092 (1990-08-01), Nabba et al.
patent: 5241248 (1993-08-01), Furukoshi
Helmut G Seidler, "Electronic wiper timing devices," Society of Automotive Engineers, Automotive Engineering Congress, Jan. 15, 1971, pp. 1-8.

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