.~ Including rotary nonexpansible chamber type {2}
202
.~.~ Diverse pump controlled by rotary pump condition
DEFINITION
Classification: 417/202
(under subclass 201) Apparatus having means to modify the operation of another of the pumps in response to a condition of the rotary nonexpansible chamber-type pump.
(1) Note. The operation of the pump is considered to be modified, for example, if the drive means is controlled, the capacity is varied, or a valve is operated to bypass the discharge, to draw from a different source, to deliver to a different place or vary the inlet or outlet.
(2) Note. The condition of the pump to which the control responds may be, for example, pressure, flow, loss of prime, etc.
