公开(公告)号：US5984198A

公开(公告)日：1999-11-16

申请号：US871785

申请日：1997-06-09

申请人： Gregory S. Bennett ,  Thomas J. Carr ,  Merlin K. Chapin ,  Nabil G. Hamad

发明人： Gregory S. Bennett ,  Thomas J. Carr ,  Merlin K. Chapin ,  Nabil G. Hamad

IPC分类号： F24D17/02 ,  F24F5/00 ,  G05D23/00 ,  F25B27/00

CPC分类号： F24F5/0096 ,  F24D17/02

摘要： Heat pump apparatus for heating liquid, such as water, includes a refrigerant circuit and a water circuit, a refrigerant-to-water heat exchanger and an air-to-refrigerant heat exchanger operably disposed in heat exchange relationship with a air fluid stream of a systemically separate primary source of space conditioning. A compressor is provided for circulating the refrigerant between the two heat exchangers and a water pump is provided for circulating the water to be heated through the refrigerant-to-water heat exchanger. A tank is also provided for storing the heated water. The tank has an electrically resistive heating element operably associated therewith. A control circuit is provided for normally enabling operation of the heat pump and disabling the heating element in response to a demand for liquid heating. However, in response to selected conditions, such as a low outdoor air temperature condition, the control circuit disables the heat pump and enables the heating element in response to a demand for water heating.

摘要翻译： 用于加热诸如水的液体的热泵装置包括制冷剂回路和水回路，制冷剂 - 水热交换器和空气 - 制冷剂热交换器，其可操作地设置成与空气流动物流 系统分离空间调节的主要来源。 设置有用于使制冷剂在两个热交换器之间循环的压缩机，并且设置有用于使被加热的水循环通过制冷剂对水热交换器的水泵。 还提供了用于储存加热的水的罐。 该罐具有与其可操作地相关联的电阻加热元件。 提供了一种控制电路，用于响应于液体加热的需要，正常地使能热泵的操作和禁用加热元件。 然而，响应于诸如室外空气温度低的选择条件，控制电路使热泵不起作用，并且能够响应于对水加热的需求。