Pump apparatus

Details Pump apparatus Pump apparatus

F - Mech Eng,Light,Heat,Weapons

04

B

F04B 53/14 (2006.01) F04B 21/04 (1990.01)

Patent

CA 2069340

2069340 9105954 PCTABS00005 A pumping apparatus has a linear electric motor (10; 40) reciprocally driving motor pistons (16; 45) hydraulically coupled with pump pistons (25) or with coupling pistons (51) mechanically connected with pump pistons (61) which move the fluid to be pumped. For undersea use, the coupling arrangements allow convenient separation and retrieval of sub-assemblies requiring relatively frequent servicing.

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