Pumps – Condition responsive control of drive transmission or pump... – Adjustable cam or linkage
Patent
1987-08-10
1989-01-31
Neils, Paul F.
Pumps
Condition responsive control of drive transmission or pump...
Adjustable cam or linkage
417269, 92 122, 74 60, F04B 126, F04B 2708
Patent
active
048012483
ABSTRACT:
The variable capacity swash plate compressor of the present invention includes a rotary swash plate having an eccentric mass located opposite to the driving point of the swash plate with respect to the axis of the same. The mass distribution in the rotary swash plate is established such that, within a range in which the piston stroke is less than a predetermined value, a moment about a pivot point produced by the rotation of the swash plate becomes larger than a moment produced by the reciprocating motion of pistons, piston rods and the like and acting upon the swash plate, while, within a range in which the stroke is larger than the predetermined value, the former moment becomes smaller than the latter moment. Accordingly, it is possible to provide a compressor of the type in which its capacity control characteristics are improved over a wide shaft speed range.
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Hayase Isao
Kadomukai Yuzo
Nakamura Yozo
Suginuma Atsushi
Takahashi Yukio
Hitachi , Ltd.
Neils Paul F.
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