FLUID CIRCULATION PUMP WITH INTEGRATED SHORT CIRCUIT

摘要

Fluid circulation pump. According to the invention, said pump is a vibrating-diaphragm pump (33) comprising a pump body (10) and means (70) for short-circuiting said pump body (10). Switching means (71) are designed to select for said fluid a path which passes through said short-circuit means or a path which passes through said pump body (10). The invention can be applied to the recovery of exhaust gases or to the supercharging of internal combustion engines. (Figure 2)