公开(公告)号：US3785162A

公开(公告)日：1974-01-15

申请号：US3785162D

申请日：1972-12-07

Applicant: CIT ALCATEL

Inventor： LONG J ,  BESSOT J

IPC: F04F9/00 ,  B01D5/00

CPC classification number: F04F9/00 ,  Y10S55/15

Abstract: Pumping assembly in which the condensation elements for preventing oil from entering the enclosure to be emptied consists of a baffle cooled by conduction coming from a cold source and by a liquid nitrogen trap in communication with a liquid nitrogen receptacle. The cold source of the baffle is incorporated in the wall of the pump body; the liquid nitrogen receptacle is fixed under the pump cover, so that the assembly is easy to dismantle and to clean.

Abstract translation: 用于防止油进入外壳的冷凝元件被排空的泵送组件包括通过来自冷源的传导冷却的挡板和与液氮接收器连通的液氮捕集器。 挡板的冷源装在泵体的壁上; 液氮接收器固定在泵盖下面，使组件易于拆卸和清洁。