CHARLES M KUHN
Medical Practice in Peoria, IL
License number
Pennsylvania MD012924E
Category
Medicine
Type
Medical Physician and Surgeon
Address
Address
2
Peoria, IL 61614
Pennsylvania
Pennsylvania
Professional information
Duplex Filter System
US Patent:
3979292, Sep 7, 1976
Filed:
Aug 10, 1973
Appl. No.:
5/387351
Inventors:
Charles W. Kuhn - Peoria IL
Assignee:
Caterpillar Tractor Co. - Peoria IL
International Classification:
B01D 3514, C02C 114
US Classification:
210 90
Abstract:
A duplex filter system having two filterized fluid flow circuits for maintaining continuous fluid flow to an engine or similar liquid utilizing device during a filter change operation. A fluid control system is provided including liquid-obstructing air vent means for selectively venting air under pressure from an empty one of said two circuits while retaining fluid under pressure within the other said circuit during charging of said empty circuit, whereby fluid pressure within the system is regulated, and the fluid flow controlled. Detection means for detecting pressure within each of the two circuits.