Pumps – With condition responsive pumped fluid control – Plural separate sensing means for a single fluid controller
Patent
1989-12-26
1991-09-10
Smith, Leonard E.
Pumps
With condition responsive pumped fluid control
Plural separate sensing means for a single fluid controller
417289, 417290, 417295, 417307, F04B 4908
Patent
active
050469282
ABSTRACT:
In a compressor control system, a subcontroller is coupled with the master-controller in order to detect, when the bypass valve is being modulated, whether there is a deviation between the minimum inlet valve position assigned to the system and the actual inlet valve position. In such case, correction of the inlet valve position is automatically effected by the subcontroller in either direction to restore the minimum assigned inlet valve position.
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patent: 3863110 (1975-01-01), Bauer, Jr.
patent: 4080110 (1978-03-01), Szymaszek
patent: 4191511 (1980-03-01), Stewart et al.
patent: 4462217 (1984-07-01), Fehr
patent: 4519748 (1985-05-01), Murphy et al.
Lorin C. M.
Scheuermann David W.
Smith Leonard E.
Westingshouse Electric Corp.
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