Patent ID: 8690546
Filing Date: 2014-04-08
Classification: F04D

Abstract:
1. An auxiliary drive system for use with a water pump for a high performance vehicle engine comprising: a pump housing that is adaptable to be mounted to the vehicle engine; a shaft that passes through said pump housing and has a first end and a second end; an impeller rotatably mounted on said first end of said shaft; a first bearing rotatably supporting said second end of said shaft; a second bearing in communication with said shaft and said first bearing; a drive belt in communication with said second bearing to effectuate rotation thereof; and a collapsible gear having an outer peripheral surface containing a plurality of outer teeth extending radially outwardly and an inner surface containing a plurality of inner teeth extending radially inwardly, and said outer teeth of said collapsible gear in driving communication with said drive belt and said inner teeth of said collapsible gear in communication with said shaft to effectuate rotation of said shaft; whereby upon application of a force above a predetermined threshold, said collapsible gear disengages from said drive belt and/or said shaft.