Tandem pump assembly

Details Tandem pump assembly Tandem pump assembly

1984-10-05

1986-05-06

Croyle, Carlton R.

Internal-combustion engines

Accessories

Covers, trays, vibrators, corrosion inhibitors, air filters

417364, 417429, 418 3, F02B 7714, F04B 1700, F04B 2312, E04C 1100

Patent

active

045864683

ABSTRACT:
A tandem pump arrangement is disclosed comprising a first pump having two meshing gears of different pitch diameter adapted to produce pumping action by their meshing engagement upon drive to the one gear having the larger pitch diameter and the drive thereby of the other gear having the smaller pitch diameter at a higher speed. A second pump has an input connected to be driven by the gear with the smaller pitch diameter with the result that the second pump is driven through the first pump at increased speed with an overdrive ratio determined by the ratio of the pitch diameters of the gears.

REFERENCES:
patent: 1341915 (1920-06-01), Ladd et al.
patent: 1665670 (1928-04-01), Manzed
patent: 1695152 (1928-12-01), Martindale
patent: 2698576 (1955-01-01), Strub
patent: 2837075 (1958-06-01), Leach
patent: 4134713 (1979-01-01), Binaut
patent: 4436067 (1984-03-01), Fritzenwenger

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