|국가/구분||United States(US) Patent 등록|
|미국특허분류(USC)||417/213 ; 417/214 ; 417/300|
|발명자 / 주소|
|출원인 / 주소|
|인용정보||피인용 횟수 : 8 인용 특허 : 0|
A primary vane pump has a rotor with vanes, and an intermediate casing, which is also rotatable, both mounted in a fixed housing. The rotor vanes are enclosed in the casing and provide a primary pumping stage. The rotatable intermediate casing has outer vanes enclosed within the fixed housing, which provide a governor stage vane pump when the casing rotates. An inlet annulus supplies fuel to passages in the rotatable casing leading to the primary pumping stage and other passages in the rotatable casing conduct pumped fluid out to a discharge annulus. A c...
Positive displacement, variable delivery pumping apparatus, comprising: a primary liquid source, a primary vane pump having a primary vaned rotor driven within an intermediate casing and adapted to pump liquid from said primary liquid source to a user, a governor vane pump comprising said intermediate casing disposed within a housing, said intermediate casing having vanes and being rotatably mounted within said housing, primary conduit means including an inlet annulus and a discharge annulus each communicating with said intermediate casing and providing ...