|국가/구분||United States(US) Patent 등록|
|미국특허분류(USC)||137/6254 ; 137/62544 ; 137/605 ; 137/612|
|발명자 / 주소|
|출원인 / 주소|
|인용정보||피인용 횟수 : 9 인용 특허 : 0|
An electrically-operated pressure control apparatus is adapted to perform switching and actuating functions and is capable of operating in response to high pressure or in response to an absence of pressure, that is, a vacuum. The apparatus includes: a first pressure conduit, a second pressure conduit, a third pressure conduit, a coil assembly and an armature assembly. The armature assembly is adapted to be operated electromagnetically when the coil assembly is energized. The armature assembly includes a sealing lever, an armature lever, a return spring, ...
The electrically-operated, pressure control apparatus of claim 5 wherein said third pressure conduit extends through the approximate center of said coil assembly and said third passageway communicates alternately with said first passageway and said second passageway depending upon the position of said armature assembly.