公开(公告)号：US3563049A

公开(公告)日：1971-02-16

申请号：US3563049D

申请日：1969-01-16

Applicant: ALBERT A SCHNERRING ,  JOHN J LIPARI

Inventor： SCHNERRING ALBERT A

IPC: B01J3/00 ,  B01L7/00 ,  F04F5/04 ,  F25B19/02

CPC classification number: F04F5/04 ,  B01J3/006 ,  B01L7/00

Abstract: APPARATUS CAPABLE OF USE AS AN ASPIRATOR FOR DRAWING A CONSTANT VACUUM AND FOR USE IN CIRCULATING COOLING SYSTEMS. THE APPARATUS IS PORTABLE AND INCLUDES AN ASPIRATOR AND MEANS ASSOCIATED THEREWITH FOR CREATING A VACUUM AT A CONTROLLED CONSTANT RATE.