Pump seal flushing ring

Details Pump seal flushing ring Pump seal flushing ring

1999-04-13

2000-06-27

Look, Edward K.

Rotary kinetic fluid motors or pumps

With lubricating, sealing, packing or bearing means having...

For shaft sealing, packing, lubricating or bearing means

415111, 415230, 415915, F04D 2908

Patent

active

060799420

ABSTRACT:
A pump seal flushing ring (12) for a vehicle fluid pump (10) includes a top portion (22) and a bottom portion (20) and a tapered wall (36) extending therebetween. The bottom portion (20) has an opening (28) formed therein for communicating with a pump seal (52) to seal off the fluid chamber of the pump from the mechanical portion of the pump. The tapered wall (36) has a plurality of holes (48) formed therein that are uniformly spaced about the periphery of the tapered wall (36) to evenly communicate fluid to all portions of the seal (52).

REFERENCES:
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patent: 4275889 (1981-06-01), Butler et al.
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patent: 4498681 (1985-02-01), Heinz
patent: 4746270 (1988-05-01), Hale
patent: 5226209 (1993-07-01), Baker
patent: 5332361 (1994-07-01), Brass et al.
patent: 5558343 (1996-09-01), Aparicio, Jr.
patent: 5605338 (1997-02-01), Poll
patent: 5755817 (1998-05-01), Prouty

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