Multi-stage compressor

Details Multi-stage compressor Multi-stage compressor

2008-07-01

2008-07-01

Kramer, Devon (Department: 3746)

Pumps

Successive stages

Stages driven by relatively movable motor working members

C417S254000, C417S266000, C417S415000

Reexamination Certificate

active

10514116

ABSTRACT:
A multi-stage compressor is disclosed, which comprises: two motion converters driven by one driving shaft and converting a rotary motion to a straight-line reciprocating motion; first and second pistons (62) connected to one of the motion converters in opposite directions and moving reciprocatively in a straight line; and third and fourth pistons (72) connected to the other one of the motion converters in opposite directions, arranged at a predetermined angle with respect to the first and second pistons (62), and moving reciprocatively in a straight line, and which is characterized in that at least two of the four pistons operate for first-stage compression and at least one of the others operate for second-stage compression.

REFERENCES:
patent: 4906110 (1990-03-01), Van Wyk et al.
patent: 5252045 (1993-10-01), Shinoto et al.
patent: 5560103 (1996-10-01), Harris et al.
patent: 5846059 (1998-12-01), Mizuno et al.
patent: 5879145 (1999-03-01), Baumgartner et al.
patent: 2002/0012592 (2002-01-01), Nishikawa et al.
patent: 2248137 (1974-04-01), None
patent: 3028170 (1982-03-01), None
patent: 2001-304124 (2001-10-01), None

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