Patent ID: 6991442

Claim:
An intermeshing gear pump comprised of an outer housing defining a pumping cavity in which a pair of intermeshing gears are journalled for pumping a fluid from a fluid inlet to said pumping cavity to a pumping outlet from said pumping cavity, said intermeshing gears having end faces at opposite sides of said gears extending perpendicularly to the rotational axes of said gears, said outer housing comprising a main body part and a pair of separate end plates affixed thereto, said main body part having an opening extending axially therethrough defining a portion of said pumping cavity facing the circumferential peripheral surfaces of said gears, said end plates each closing a respective side of said main body part opening and being in confronting relation to respective of said gear end faces for closing said pumping chamber, a grove is formed in only one side of the main body part communicating with said pumping cavity and closed by one of said end plates, said one end plate being formed with a fluid passage passing therethrough and communicating with said groove, and a fastener arrangement for affixing said end plates and said main body part together.