초록 ▼

What is disclosed is a heat pump apparatus for conditioning a fluid characterized by a fluid handler for circulating the fluid in heat exchange relationship with a refrigerant fluid; two refrigerant heat exchangers; one for effecting the heat exchange with the fluid and a second refrigerant-heat exc

What is disclosed is a heat pump apparatus for conditioning a fluid characterized by a fluid handler for circulating the fluid in heat exchange relationship with a refrigerant fluid; two refrigerant heat exchangers; one for effecting the heat exchange with the fluid and a second refrigerant-heat exchange fluid heat exchanger for effecting a low pressure ratio of compression of the refrigerant; a rotary compressor for compressing the refrigerant with low power consumption at the low pressure ratio; at least one throttling valve connecting at the inlet side of heat exchanger in which liquid refrigerant is vaporized; a refrigerant circuit serially connecting the above elements; refrigerant in the circuit; a source of heat exchange fluid; heat exchange fluid circulating device and heat exchange fluid circuit for circulating the heat exchange fluid in heat exchange relationship with the refrigerant.

대표청구항 ▼

An apparatus for heating a fluid comprising: a. fluid handler and fluid path means for circulating said fluid in a path in heat exchange relationship with a refrigerant fluid; b. a first refrigerant-fluid heat exchanger disposed in said path of said fluid such that said fluid is passed in heat excha

An apparatus for heating a fluid comprising: a. fluid handler and fluid path means for circulating said fluid in a path in heat exchange relationship with a refrigerant fluid; b. a first refrigerant-fluid heat exchanger disposed in said path of said fluid such that said fluid is passed in heat exchange therewith; c. a second refrigerant-heated fluid heat exchanger for circulating said refrigerant in heat exchange relationship with a nonambiently heated fluid to effect high evaporator temperatures and resulting high suction pressure; d. a rotary compressor having a single suction pressure intake location for efficiently compressing said refrigerant with low power consumption at said high evaporator temperatures and resultant low pressure ratio; e. at least one throttling valve connected at the heating inlet side of said second heat exchanger; f. a refrigerant circuit serially connecting said first heat exchanger, throttling valve, second heat exchanger, and compressor and defining a flow path for said refrigerant; g. refrigerant disposed in said refrigerant circuit and adapted to be circulated for transferring heat with respect to said fluid; h. a source of heated fluid heated to a temperature greater than ambient; i. heated fluid circulating means for circulating said heated fluid in heat exchange relationship with said refrigerant in said second heat exchanger; j. heated fluid circuit serially connecting said heated fluid source, circulating means and said second heat exchanger for providing said elevated evaporator temperatures for heating.