Pumps – Changeable by assembly or disassembly
Patent
1980-03-20
1982-09-21
Gluck, Richard E.
Pumps
Changeable by assembly or disassembly
417368, F04B 3700
Patent
active
043504752
ABSTRACT:
An air cooled compressor is provided with a centrifugal type fan mounted on one end of a motor shaft. Cooling air is drawn through a shroud for bearing eccentric and connecting rod cooling. A shroud also directs the cooling air drawn and delivered by the fan, over the external surfaces of thinned cylinders and cylinder heads. The cooling air flowing over the thinned cylinder heads also functions to cool the intake air which assists in reducing the temperature experience within the compression chambers of the compressor. A pair of oppositely disposed openings are formed in the wall of each cylinder, which openings register with a wrist-pin that connects a connecting rod to a reciprocating piston when the piston is in the lowermost portion of a stroke within the cylinder. This construction allows the cooling air to flow through the hollow wrist-pin for cooling purposes. The cylinders are mounted to the motor frame by first securing a crankcase base to the frame, after which four equally spaced dowel pins are threaded into the crankcase base so that a pair of lugs formed on each cylinder may be slid over the dowel pins. The lugs are there to secure on dowel pins through the use of an outer bearing support which functions to hold the cylinders in place and provides an outer bearing support for the motor shaft. The outer bearing support is bolted to the dowel pins. The lugs, which are formed on cylinders are offset from the center axis of the cylinder so that a single cylinder design may be used for the opposing cylinder of the compressor. When two opposing cylinders are mounted on the dowel pins, the lugs will be axially aligned, but the cylinders will be axially offset to provide for the mounting of the connecting rods, bearings and eccentrics at offset positions on the motor shaft. When it is desired to construct a higher capacity compressor, longer dowel pins are used so that an additional one or two cylinders may be added, with each cylinder being axially offset from the others.
REFERENCES:
patent: 1187031 (1916-06-01), Black & Decker
patent: 1964679 (1934-06-01), Springfield
patent: 3039677 (1962-06-01), Nissley
patent: 3667868 (1972-06-01), Brunner
patent: 4105371 (1978-08-01), Savage et al.
patent: 4190402 (1980-02-01), Meece et al.
Meece Meredith W.
Paget Win W.
Gluck Richard E.
International Telephone and Telegraph Corporation
O'Halloran John T.
Van Der Sluys Peter C.
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