公开(公告)号：US06425257B1

公开(公告)日：2002-07-30

申请号：US09912363

申请日：2001-07-26

申请人： Shigeki Ohseki ,  Takaaki Ohtsuka ,  Hideaki Kasahara ,  Atsushi Yoshimura

发明人： Shigeki Ohseki ,  Takaaki Ohtsuka ,  Hideaki Kasahara ,  Atsushi Yoshimura

IPC分类号： F25B2700

CPC分类号： B60H1/00885 ,  B60H2001/00949 ,  F01P3/20 ,  F01P9/06 ,  F01P2060/08 ,  F01P2060/14 ,  F25B27/00 ,  F25B27/02 ,  F25B2313/001 ,  F25B2313/004 ,  F25B2313/0213 ,  F25B2313/02531 ,  F25B2313/02533 ,  F25B2327/001 ,  F25B2400/16 ,  F25B2400/19 ,  F25B2500/12 ,  F25B2500/31 ,  F25B2700/2106 ,  Y02A30/274

摘要： An object of the present invention is to provide an air conditioner which can efficiently vaporize the refrigerant using the waste heat of the engine; which has a stable heating capability regardless of the temperature of the outside air, and which can decease the electric power required for the fan and thereby decrease the noise due to the fan, in a heating operation; in order to achieve the object, the present invention provide an air conditioner comprising: a refrigerant circuit comprising a compressor for compressing a refrigerant; an outer heat exchanger for exchanging heat between the refrigerant and outside air; a restrictor for restricting the refrigerant flowing out from a water heat exchanger; and an inner heat exchanger for exchanging heat between inside air and the refrigerant; an engine cooling water circuit comprising an engine for driving the compressor; and a radiator for exchanging heat between engine cooling water and outside air; and a water heat exchanger for exchanging heat between the refrigerant circulating in the refrigerant circuit and the engine cooling water circulating in the engine cooling water circuit; wherein an evaporator comprising the outer heat exchanger and the water heat exchanger connected in parallel to the outer heat exchanger, is provided in the refrigerant circuit.

摘要翻译： 本发明的目的是提供一种能够使用发动机的废热有效地蒸发制冷剂的空调机， 具有与外部空气温度无关的稳定的加热能力，并且能够降低风扇所需的电力，从而在加热操作中降低由风扇引起的噪音; 为了达到上述目的，本发明提供一种空调机，其特征在于，包括：制冷剂回路，包括用于压缩制冷剂的压缩机; 用于在制冷剂和外部空气之间进行热交换的外部热交换器; 用于限制从热交换器流出的制冷剂的限制器; 以及用于在内部空气和制冷剂之间交换热量的内部热交换器; 发动机冷却水回路，包括用于驱动压缩机的发动机; 以及用于在发动机冷却水和外部空气之间进行热交换的散热器; 以及用于在制冷剂回路中循环的制冷剂与在发动机冷却水回路中循环的发动机冷却水之间进行热交换的水热交换器; 其特征在于，在所述制冷剂回路中设置有与所述外部热交换器并联连接的所述外部热交换器和所述水热交换器的蒸发器。