介绍四吨燃气发动机驱动热泵（GEHP）的加热性能，并简要介绍所用发动机。重点介绍了系统中使用的独特制冷剂加热器，它最大限度地提高了GEHP的加热性能，尤其是在低环境温度下。关键词:性能，燃气发动机热泵，热泵，制冷剂，R22，加热器，低温，环境温度，性能系数，加热，冷却，耗电量，燃气消耗，能耗，压缩机，热容量，日本:ASHRAE Trans。1992年，第98卷，第1部分，论文编号AN-92-10-3，989-993，图9。，1个标签。

Describes the heating performance of a four-ton gas-engine-driven heat pump (GEHP) and includes a brief description of the engine used. Concentrates on the unique refrigerant heater used in the system, which maximises the heating performance of the GEHP, particularly at low ambient temperatures.KEYWORDS: performance, gas engine heat pumps, heat pumps, refrigerants, R22, heaters, low temperature, ambient temperature, coefficient of performance, heating, cooling, electricity consumption, gas consumption, energy consumption, compressors, thermal capacity, Japan