Valves and valve actuation – With correlated flow path – With mounting or support
Patent
1977-04-07
1979-10-09
Rosenthal, Arnold
Valves and valve actuation
With correlated flow path
With mounting or support
251129, 335279, 335281, F16K 3106, H01F 713, H01F 714
Patent
active
041703391
ABSTRACT:
An electromagnetic valve comprises a magnetic circuit formed by a stationary core and a movable core, or armature pivoted at one end of the stationary core and rotatable continuously between first and second positions with a free end positioned in opposed relation to the other end of the stationary core with an air gap therebetween. The armature is spring biased so as to remain in the first position and carries a valve head for engagement with a valve seat. The opposing ends of the stationary and movable cores are so shaped as to form in the air gap a first working section in which the main magnetic flux generates a vector component transverse to the length of the armature and a second working section in which the main magnetic flux generates a vector component parallel to the length of the armature. The resulting vector makes the angular displacement of the armature linearly proportional to the supply current.
REFERENCES:
patent: 3210041 (1965-10-01), Mitts
patent: 3435395 (1969-03-01), Rosenberg et al.
patent: 3768772 (1973-10-01), Vischulis
patent: 3805204 (1974-04-01), Petersen
patent: 3861641 (1975-01-01), Moffatt
Mori Keiichi
Mori Keijiro
Shirai Shigeru
Tanahashi Takashi
Ueda Yasukiyo
Matsushita Electric Industrial Company
Rosenthal Arnold
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