US PATENT SUBCLASS 415 / 912
INTERCHANGEABLE PARTS TO VARY PUMPING CAPACITY OR SIZE OF PUMP

Current as of: June, 1999
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415 /   HD   ROTARY KINETIC FLUID MOTORS OR PUMPS

912INTERCHANGEABLE PARTS TO VARY PUMPING CAPACITY OR SIZE OF PUMP

DEFINITION

Classification: 415/912

INTERCHANGEABLE PARTS TO VARY PUMPING CAPACITY OR SIZE OF PUMP:

Rotary device which adds energy to working fluid* (i.e., "pump"* device) and comprises pieces intended to be exchanged with other pieces within or separate from the device to change (a) the maximum or minimum working fluid* flow which can be handled by the device or (b) working fluid pumping characteristics of the device.