公开(公告)号：US20240141886A1

公开(公告)日：2024-05-02

申请号：US18548662

申请日：2022-02-24

Applicant: Schlumberger Technology Corporation

Inventor： David Gerard Gerber, Jr. ,  Muharrem Ali Tunc ,  Kevin L. Case ,  Caroline Shipley ,  Han Yu ,  Jagan Thaduri ,  Seoyeon Hong

IPC: F04B51/00 ,  F04B47/02

CPC classification number: F04B51/00 ,  F04B47/02 ,  F04B2201/0606 ,  F04B2205/02 ,  F04B2205/04

Abstract: A technique for monitoring valve and pump efficiencies for positive displacement pumps. The techniques include utilizing a data acquisition system to attain intake and discharge pressure data in combination with real-time encoder position data. Thus, when combined, output from a pump may be monitored in real-time. As a result, pump life may be extended beyond an anticipated changeout schedule. By the same token, premature pump inefficiencies may also be detected for taking a pump offline in advance of expected life. In either circumstance, multi-pump operations may be substantially enhanced with cost and time savings realized.

公开(公告)号：US6102669A

公开(公告)日：2000-08-15

申请号：US120127

申请日：1998-07-22

Applicant: Masaaki Fujita

Inventor： Masaaki Fujita

IPC: F04B27/08 ,  F04B27/10 ,  F04B27/14 ,  F04B27/18 ,  F04B1/26

CPC classification number: F04B27/1804 ,  F04B27/0895 ,  F04B27/1072 ,  F04B27/109 ,  F04B2027/1827 ,  F04B2027/1859 ,  F04B2201/0606

Abstract: A vehicular air conditioning refrigerant compressor is disclosed. The variable displacement compressor includes a suction chamber, a discharge chamber, a crank chamber, a drive shaft having rotated by a vehicle engine, a swash plate rotatable with the drive shaft and located within the crank chamber. The swash plate and the drive shaft have a tilt angle between them. The tilt angle is controlled by a control valve mechanism which regulates the introduction of a gas from the discharge chamber to the crank chamber. The compressor further includes a center sleeve slidably mounted on the drive shaft. The position of the center sleeve is responsive to the tilt angle. The compressor also includes a relief passage for relieving gas from the crank chamber to the suction chamber, and includes an axial hole in the drive shaft having an opening at one end of the drive shaft and an end within the drive shaft, a vertical hole in the drive shaft having two openings on the surface of the drive shaft and perpendicular to said axial hole. The vertical hole intersects the axial hole near the end of the axial hole. The relief passage further includes a passage in fluid connection with the suction chamber and the opening of the axial hole. The aperture of the two openings is regulated by the position of the center sleeve.

Abstract translation: 公开了一种车用空调制冷剂压缩机。 可变排量压缩机包括抽吸室，排放室，曲柄室，由车辆发动机旋转的驱动轴，可与驱动轴一起旋转并位于曲柄室内的斜盘。 斜盘和驱动轴之间具有倾斜角。 倾斜角由控制阀机构控制，该控制阀机构调节从排出室引导到曲柄室的气体。 压缩机还包括可滑动地安装在驱动轴上的中心套筒。 中心套筒的位置对倾斜角度有反应。 压缩机还包括用于将气体从曲柄室释放到吸入室的释放通道，并且包括在驱动轴中的轴向孔，在驱动轴的一端具有开口，在驱动轴内具有一端，垂直孔 驱动轴在驱动轴的表面上具有两个开口并垂直于所述轴向孔。 垂直孔与轴孔末端附近的轴孔相交。 排泄通道还包括与抽吸室流体连通的通道和轴向孔的开口。 两个开口的孔径由中心套筒的位置调节。