To provide a pump that has no movable components such as pistons and exhibits high durability.
The thermoacoustic pump 10 includes: a thermoacoustic engine 11 including a pipe 17 filled with operating fluid where a heater 18, a stack 19 and a cooler 20 are arranged; a suction pipe 12 connected to the pipe 17 of the thermoacoustic engine 11; a suction check valve 13 mounted to the suction pipe 12 and permitting a flow toward a thermoacoustic engine 11 side but checking a flow in an opposite direction; a discharge pipe 14 connected to the pipe 17 of the thermoacoustic engine 11; and a discharge check valve 15 mounted to the discharge pipe 14 and checking a flow toward the thermoacoustic engine 11 side but permitting a flow in the opposite direction.
ABE MAKOTO
KUROSAWA HIROFUMI
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