Double-headed piston type compressor

Details Double-headed piston type compressor Double-headed piston type compressor

2004-03-15

2009-06-16

Freay, Charles G (Department: 3746)

Pumps

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

C417S270000, C091S499000

Reexamination Certificate

active

07547198

ABSTRACT:
A double-headed piston type compressor forms a first compression chamber and a second compression chamber for compressing gas. The compressor has rotary shaft having an inner chamber that interconnects a suction chamber and the first and second compression chambers for introducing the gas into the first and second compression chambers. The compressor also has a partition wall that is located in the inner chamber for dividing the inner chamber into a first passage and a second passage. The first passage interconnects the suction chamber and the first compression chamber. The second passage interconnects the suction chamber and the second compression chamber.

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patent: 7063165 (1995-07-01), None

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