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:
Jun. 28, 2016
Filed:
Dec. 20, 2012
Ricky W. Dull, Rhome, TX (US);
Ricky W. Dull, Rhome, TX (US);
Standard Motor Products, Inc., Long Island City, NY (US);
Abstract
A switch () is provided for installation in the air conditioning (A/C) system () in a vehicle () for intermittently operating the clutch () in the A/C system () each time the control () in the A/C system () provides power to operate the clutch () to prevent slugging. This turns the compressor () a few turns each time the clutch () is energized during intermittent operation to purge liquid refrigerant and lubricant from the compressor () to prevent slugging. The switch () can be installed in existing vehicles by connecting the switch () in the wiring harness () of the A/C system () to the power lead () from the control () to the clutch () and between the ground lead () from the clutch () and a ground. The switch () can include a microcontroller () for controlling the operation of a power transistor () to intermittently ground the clutch to provide the intermittent operation. A battery () can be provided to power the microcontroller () for a set period of time after an initial intermittent operation. This prevents additional intermittent operation for the set period of time.