Patent ID: 8657591

Claim:
A motor/pump assembly comprising a rotary pump housing with conveying means arranged therein, a heat barrier, a motor for driving the conveying means, and force-transmitting fasteners extending between a flange of the rotary pump housing and a motor flange, wherein the force-transmitting fasteners are removable from the rotary pump housing flange and the motor flange, at least half the circumference of the rotary pump housing flange is provided with receptacles for receiving and holding screw heads of the force-transmitting fasteners therein in a bayonet-like manner, where the screw heads are arranged such that no portion of the force-transmitting fasteners may be advanced beyond a surface of the screw heads opposite a load-bearing surface of the screw heads which contacts the rotary pump housing flange, and said receptacles are provided with position-securing latching faces which hold the screw heads in a proper mounting position.