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:
Aug. 15, 1989
Filed:
Apr. 26, 1988
David I McCahill, Champion, PA (US);
Nepco, Inc., Monroeville, PA (US);
Abstract
A heat pump unit capable of producing hot potable water irregardless of the heating or cooling operation of the heat pump. The heat pump for heating or cooling a conditioned space with potable water heating capability. The heat pump unit having a compressor with a service port, an entrance port and a discharge. A three-way valve is provided connected to the discharge and to the service port of the compressor, and reversing valve is connected to the three-way valve and to the compressor entrance port. A refrigerant-air heat exchanger is connected to the reversing valve outlet and an external source-refrigerant heat exchanger is connected to the reversing valve with a refrigerant-potable water heat exchanger connected to the three-way valve. The heat pump unit also includes a refrigerant-control device interposed between the external source-refrigerant heat exchanger and the refrigerant-air heat exchanger, a first bi-flow valve interposed between the refrigerant-control device and the refrigerant-potable water heat exchanger, and a second bi-flow valve interposed between the refrigerant-control device and the refrigerant-potable water heat exchanger produces hot water irregardless of the heating or cooling operation of the heat pump.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile