Fluid handling – Self-proportioning or correlating systems – Self-controlled branched flow systems
Patent
1986-09-12
1988-05-31
Schwadron, Martin P.
Fluid handling
Self-proportioning or correlating systems
Self-controlled branched flow systems
137557, G05D 1610
Patent
active
047474254
ABSTRACT:
The invention relates to a three-way pressure reducing valve for reducing a primary pressure to a secondary pressure. Said three-way pressure reducing valve comprises means for monitoring the secondary pressure. First spool means of said pressure reducing valve and second spool means of said monitoring means are provided with first and second spring means, respectively. Further, first and second adjustment means, respectively, are provided said first and said second spool means being coaxially arranged.
REFERENCES:
patent: 2520353 (1950-08-01), Fernandez-Yanez et al.
patent: 2965120 (1960-12-01), Snyder
patent: 3227172 (1966-01-01), Sims et al.
patent: 3272220 (1966-09-01), Frania et al.
patent: 3520322 (1970-07-01), Kaptur
patent: 3625479 (1971-12-01), Hammon
patent: 3738308 (1973-06-01), Barabino
patent: 3741244 (1973-06-01), Ise
patent: 4263938 (1981-04-01), Peters
Hepperle Stephen M.
Mannesmann Rexroth GmbH
Schwadron Martin P.
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