Fuel pump sealed in a bellows

Details Fuel pump sealed in a bellows Fuel pump sealed in a bellows

1998-09-11

2000-03-14

Solis, Erick R.

Pumps

Three or more cylinders arranged in parallel, radial, or...

92 71, 91499, F01B 302

Patent

active

060364483

ABSTRACT:
A piston-type fuel pump has two or more cylinder bores in a barrel. A piston in each cylinder bore has a port for admitting fuel into the cylinder bore. A swash plate assembly includes a wobble plate connected to each of the pistons. The wobble plate is given an oscillatory motion producing reciprocal movement of the pistons. A thin-walled metal bellows defines a closed interior space surrounding the pistons to prevent escape of fuel.

REFERENCES:
patent: 2759467 (1956-08-01), Leibing
patent: 5307731 (1994-05-01), Chamberlain et al.
patent: 5419687 (1995-05-01), Adahan
patent: 5573384 (1996-11-01), Ernsberger
patent: 5667203 (1997-09-01), Romer
patent: 5755562 (1998-05-01), Novacek et al.
patent: 5772413 (1998-06-01), Oshidari
patent: 5782161 (1998-07-01), Okubo et al.
patent: 5832904 (1998-11-01), Morishita et al.

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