Pumps – Three or more cylinders arranged in parallel – radial – or...
Patent
1993-10-05
1996-03-26
Bertsch, Richard A.
Pumps
Three or more cylinders arranged in parallel, radial, or...
91480, 91499, 137312, 13762511, F04B 112
Patent
active
055015794
ABSTRACT:
An axial multi-piston compressor includes a drive shaft, a cylinder block having cylinder bores formed therein and surrounding the drive shaft, and a plurality of pistons slidably received in the respective cylinder bores, wherein the pistons are successively reciprocated in the cylinder bores by a rotation of the drive shaft so that a suction stroke and a discharge stroke are alternately executed in each of the cylinder bores. During the suction stroke, a fluid is introduced into the cylinder bore, and during the compression stroke, the introduced fluid is compressed and discharged from the cylinder bore such that a residual part of the compressed fluid is inevitably left in the cylinder bore when the compression stroke is finished. The compressor further includes a rotary valve for allowing the residual part of the compressed fluid to escape from the cylinder bore into another cylinder bore after the suction stroke is executed in the former cylinder bore over a given short period of time.
REFERENCES:
patent: 1367914 (1921-02-01), Larsson
patent: 5232349 (1993-08-01), Kimura et al.
Ito Masafumi
Kawamura Chuichi
Kimura Kazuya
Makino Yoshihiro
Bertsch Richard A.
Kabushiki Kaisha Toyoda Jidoshokki Seisakusho
Wicker William
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