The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Mar. 19, 2002
Filed:
Jun. 28, 2000
Michael A. Coiro, Sr., Jacobstown, NJ (US);
Frank J. Herdt, Bordentown, NJ (US);
Brian M. Bilecki, Trenton, NJ (US);
Allentown Caging Equipment Co., Inc., Allentown, NJ (US);
Abstract
The present invention relates to a device for automatically controlling exhaust flow to a ventilated rack of animal cages when an air inlet system, such as an air supply blower, to the rack is not operating. Accordingly, the device can be used in a system that assures that the ventilation system is balanced when one or more of the ventilated racks are removed from their respective air supplies. The device includes a damper housing that is adapted to be connected between an exhaust outlet of the ventilated rack and an exhaust system. A movable damper is positioned within the damper housing and is moveable between an open position and a closed position. In the closed position, the device creates a partial obstruction to air flow in the connection.