Automatic water drain and priming pump for fuel systems

Details Automatic water drain and priming pump for fuel systems Automatic water drain and priming pump for fuel systems

1994-12-16

1996-07-09

Savage, Matthew O.

Liquid purification or separation

Processes

Including controlling process in response to a sensed condition

210114, 210117, 210136, 210138, 210143, 210313, 2104164, 210533, 210803, B01D 3600

Patent

active

055341616

ABSTRACT:
An automatic water drain and priming pump for a fuel system in which a reversible pump is operable in a first direction to pump separated water out of a fuel filter and into a water drain, and further operable in a second (opposite) direction to pump fuel into the fuel filter in order to prime the fuel pump. Operation of the pump in the first direction to drain water from the fuel filter is initiated by water-in-fuel sensors within the fuel filter. Operation of the pump in the second direction to prime the fuel pump is initiated by manual activation of a switch during servicing of the fuel filter.

REFERENCES:
patent: 4539109 (1985-09-01), Davis
patent: 4562431 (1985-12-01), Jahnke et al.
patent: 4637351 (1987-01-01), Pakula
patent: 4706636 (1987-11-01), Davis
patent: 5053120 (1991-10-01), Mollmann

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