Control system for vehicular air conditioning compressor

Details Control system for vehicular air conditioning compressor Control system for vehicular air conditioning compressor

1986-12-10

1988-03-29

Tanner, Harry B.

Refrigeration

Automatic control

Responsive to vehicle body motion or traction

623234, 62231, 123198R, F25B 2700, B60H 132

Patent

active

047335408

ABSTRACT:
A control system for controlling operation of a compressor of a vehicular air conditioning system. The control system comprises an electromagnetic clutch which is adapted to disengage so as to cut the drivable connection of the compressor with an engine. The electromagnetic clutch is in an electric circuit including a first switch adapted to close in the overheat condition of a fuel system, and a second switch adapted to close at an abrupt vehicle acceleration. Additionally, a timer is provided in the electric circuit to maintain the disengaged state of the electromagnetic clutch for a predetermined time upon close of both the first and second switches thereby to stop the operation of the compressor, thus improving vehicle acceleration performance under the fuel system overheat condition.

REFERENCES:
patent: 4424682 (1984-01-01), Miska et al.
patent: 4480443 (1984-11-01), Nishi et al.
patent: 4610146 (1986-09-01), Tanemura
Nissan Service Periodical Bulletin (published in Jun., 1983).

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