Pumps – Processes – Of pumping one fluid by contact or entrainment with another
Patent
1987-02-02
1988-02-16
Croyle, Carlton R.
Pumps
Processes
Of pumping one fluid by contact or entrainment with another
417162, 417174, 417189, 417192, 417197, F04F 548
Patent
active
047252014
ABSTRACT:
Automatic starting of a hydrokinetic amplifier 10 is accomplished by: an overflow pilot valve 32 responsive to output pressure for opening an overflow line 30 when output pressure drops below a predetermined level; and a start-up pilot valve 36 responsive to reduced pressure within amplifier 10 upon opening of overflow pilot valve 32 so that the reduced internal pressure opens the start-up pilot valve and admits vapor into the amplifier to merge with the already flowing liquid and start up the amplifier. Preferably a safety pilot valve 38 arranged in the vapor input line 13, in series with start-up pilot valve 36, closes the vapor input line whenever liquid input pressure to the amplifier falls below an adequate level.
REFERENCES:
patent: 978000 (1910-12-01), Brooke
patent: 1546712 (1925-07-01), Brooke
patent: 2129515 (1938-09-01), Williams et al.
patent: 2288777 (1942-07-01), Bosonetto et al.
patent: 2389656 (1945-11-01), Williams et al.
patent: 2513622 (1950-07-01), Bosonetto et al.
patent: 4569635 (1986-02-01), Nicodemus
patent: 4623301 (1986-11-01), Reynolds
Croyle Carlton R.
Helios Research Corp.
Neils Paul F.
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