Automatic venting system

Details Automatic venting system Automatic venting system

1988-02-18

1989-08-01

Joyce, Harold

Electricity: motive power systems

Motor-reversing

Armature or primary circuit control

98 202, 318266, B60H 124

Patent

active

048524697

ABSTRACT:
An automatic venting system for an enclosed space such as a vehicle having one or more venting elements. The venting system senses precipitation and commands drive means to close the venting element when precipitation is detected and to open the venting element when precipitation ceases to accomplish passive venting of the enclosed space while minimizing entry of precipitation.

REFERENCES:
patent: 3337992 (1967-08-01), Tolson
patent: 4139801 (1979-02-01), Linares
patent: 4481450 (1984-11-01), Watanabe et al.
patent: 4527247 (1985-07-01), Kaiser et al.
patent: 4544865 (1985-10-01), Sharp
patent: 4553656 (1985-11-01), Lense

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