Room-warming/cooling and hot-water supplying heat-pump apparatus

Refrigeration – Automatic control – Selective heating or cooling

Patent

Rate now

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Details

622284, 622386, 623246, F25B 1300, F25B 2700

Patent

active

045922063

ABSTRACT:
A room-warming/cooling and hot-water supplying heat-pump apparatus comprises a refrigerant circuit provided with a compressor, a four-way valve for switching room warming and cooling operations, a room side heat exchanger, a reversible flow type expansion device and an outdoor side heat exchanger, wherein a first switching means is connected to the outlet side of the compressor; a first branch of the switching means is connected to the four-way valve and a second branch of the first switching means is connected to one end of a heating coil in a hot water tank; the other end of the heating coil extends out of the hot water tank and has a branched part. A pipeline including the branched part has both ends connected to the refrigerant circuit at both sides of the expansion device in which at least one valve means is provided in the pipeline including the branched part and the first switching means and the valve means are controlled by a control device.

REFERENCES:
patent: 4299098 (1981-11-01), Derosier
patent: 4507938 (1985-04-01), Hama et al.
"Water Heater Attached to the Packaged Air Conditioner", Refrigerator vol. 58, No. 671, pp. 25 to 29, published 9/83.
"Cooling, Heating & Hot Water Heat Pump Unit", Refrigeration vol. 58, No. 671, pp. 14 to 18, published in Sep., 1983.
"A Feature of Construction of Water Heating Heat Pump", Refrigeration vol. 58, No. 671, pp. 19 to 24, published in 9/83.
"Q & A Concerning Heat Pump for Buildings", Japan Refrigeration Air-Conditioning Industrial Association, published Mar., 1982.

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

Room-warming/cooling and hot-water supplying heat-pump apparatus does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Room-warming/cooling and hot-water supplying heat-pump apparatus, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Room-warming/cooling and hot-water supplying heat-pump apparatus will most certainly appreciate the feedback.

Rate now

     

Profile ID: LFUS-PAI-O-1226777

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