Combined heater and pump

Details Combined heater and pump Combined heater and pump

F - Mech Eng,Light,Heat,Weapons

04

D

F04D 29/58 (2006.01) B23K 20/10 (2006.01) F04D 29/08 (2006.01) F04D 29/42 (2006.01) F24H 1/00 (2006.01) H02K 9/04 (2006.01)

Patent

CA 2497872

A compact combined heater and pump is disclosed. There is a pump housing forming an internal pump chamber, the housing having both an inlet and an outlet and an opening therethrough. A drive shaft is rotatably mounted in the opening and is driven by a motor located outside the chamber. An impeller is mounted on the drive shaft within the housing and a heater is sandwiched in the chamber between the motor and impeller. Rotation of the shaft can draw liquid in from the inlet, past the heater and through the outlet. A cooling fan attached to the shaft for rotation therewith draws cooling air over control circuitry and then forces the air over the motor.

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