Air conditioning control system for automotive vehicles

Refrigeration – Automatic control – Refrigeration producer

Patent

Rate now

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Details

62158, 62243, F25B 2700

Patent

active

050741233

ABSTRACT:
An air conditioning control system for an automotive vehicle having an internal combustion engine. A variable capacity compressor has a pump having displacement thereof variable in response to a change in pressure within a controlled pressure chamber, a communication passage communicating between a low pressure chamber and the controlled pressure chamber, and a valve disposed to vary an opening area of the communication passage. An electromagnetic clutch connects and disconnects the compressor to and from the engine. An evaporator is connected to the compressor. A control unit controls the capacity of the compressor by supplying the valve with control current normally set within a predetermined range, to vary the opening area of the communication passage such that the temperature of outlet air from the evaporator becomes equal to a desired value. The control unit supplies the control current having a predetermined value larger than the above predetermined range over a predetermined time period to control the capacity of the compressor to the minimum value, when the electromagnetic clutch is brought into an engaged state from a disengaged state.

REFERENCES:
patent: 4821527 (1989-04-01), Suzuki et al.
patent: 4898005 (1990-02-01), Sakurai

LandOfFree

Say what you really think

Search LandOfFree.com for the USA inventors and patents. Rate them and share your experience with other people.

Rating

Air conditioning control system for automotive vehicles does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Air conditioning control system for automotive vehicles, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Air conditioning control system for automotive vehicles will most certainly appreciate the feedback.

Rate now

     

Profile ID: LFUS-PAI-O-37196

  Search
All data on this website is collected from public sources. Our data reflects the most accurate information available at the time of publication.