Patent ID: 6121698
Filing Date: 2000-09-19
Classification: F04D,H02K

Abstract:
A motor comprising:a motor housing that includes,A) a main motor housing section;B) a lower housing section having first and second sides, said first side of said lower housing section and said main motor housing section defining a motor chamber for housing a motor assembly, said lower housing section also having a first circulation port having first and second ends formed on said first and second sides of said lower housing section respectively;C) a cooling plate having first and second sides for use in transferring heat, said first side of said cooling plate and said second side of said lower housing section forming a circulation chamber, said first circulation port communicating with said circulation chamber;a motor shaft having a first end that is operatively connected to said motor assembly and a second end that extends out of said main motor housing section, out of said lower housing section and out of said cooling plate, said second end of said motor shaft being adapted to be connected to an associated device; and,a cooling system for use in cooling said motor assembly that includes,A) a cooling fluid;B) a cooling jacket that covers at least a portion of said main motor housing section; and,C) circulating means for circulating said cooling fluid through said cooling jacket, said first circulation port, and said circulation chamber.