Forced air supply type engine and generator set

The utility model discloses a forced air supply type engine and a generator set, relates to the technical field of engines, and aims to solve the problem of pollutant emission of small general gasoline engines, the technical scheme is that the forced air supply type engine comprises an engine body, the engine body is provided with a tail gas pipe, and the tail end of the tail gas pipe is connected with a catalyst silencer; and an air blower is further included, an air supplementing pipe is connected between an air outlet of the air blower and the catalyst silencer, and the air supplementing pipe is provided with a one-way valve which is in one-way conduction towards the catalyst silencer. The external forced air supply structure is adopted, forced air supply is achieved, the tail gas treatment efficiency of the catalyst silencer is improved, and emission of an engine is reduced. 本实用新型公开一种强制补气式发动机及发电机组，涉及发动机技术领域，旨在解决小型通用汽油机的污染物排放量的问题，其技术方案要点是：包括发动机本体，发动机本体具有尾气管，尾气管的末端连接有触媒消声器；还包括鼓风机，鼓风机的出气口与触媒消声器之间连接有补气管，补气管设置