Pumps – Motor driven – Resiliently mounted pump or motor
Patent
1996-09-26
1998-06-30
Thorpe, Timothy
Pumps
Motor driven
Resiliently mounted pump or motor
417372, 417417, F04B 1703
Patent
active
057724105
ABSTRACT:
A linear compressor includes a casing, and a cylinder member suspended by springs from the casing. The cylinder member forms a compression chamber in which a piston is reciprocated by a linear motor. The motor includes a first stator situated inside of the piston, and a second stator situated opposite the first stator outside of the piston. The cylinder member comprises spaced apart first and second cylinder blocks with the second stator clamped therebetween. The first cylinder block contains the compression chamber, and the second cylinder block carries a hollow guide extending into the piston, with the first stator mounted on an outer surface of the guide. The piston includes an axial shaft reciprocally guided within the hollow guide. The piston carries a first magnet. A coil disposed between the first and second stators generates a magnetic field passing across the magnet to cause the piston to reciprocate. The cylinder member can be cooled by cooling fluid conducted through a cooling pipe wrapped around the cylinder member.
REFERENCES:
patent: 4027211 (1977-05-01), Omura et al.
patent: 4416594 (1983-11-01), Ichikawa
patent: 4421464 (1983-12-01), Schmidt et al.
patent: 4632645 (1986-12-01), Kawakami et al.
patent: 5275542 (1994-01-01), Terauchi
patent: 5597294 (1997-01-01), McGrath
Korytnyk Peter G.
Samsung Electronics Co,. Ltd.
Thorpe Timothy
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