Patent ID: 7331768
Filing Date: 2008-02-19
Classification: F04B

Abstract:
1. A pump comprising: a base comprising a socket, wherein the socket defines two apertures; a pumping set comprising a cylinder inserted in the socket and a piston put in the cylinder, wherein the cylinder defines two apertures; a first joint put in the cylinder, the first joint comprising a transverse channel and an axial channel in communication with the transverse channel; a gauge set comprising a gauge, a housing for receiving the gauge and a tube extending from the housing, wherein the tube defines two apertures; a second joint inserted in the two apertures of the socket, the two apertures of the cylinder, the first joint and the two apertures of the tube, the second joint comprising an axial channel, a first transverse channel for communicating the axial channel thereof with the axial channel of the first joint and a second transverse channel for communicating the axial channel thereof with the tube; and a nozzle set connected to the second joint, with the tube located intermediate the socket and the nozzle set, with the nozzle set including a nozzle in communication with the second joint, with the second joint being in communication with the axial channel of the first joint, with the second joint being in direct communication with the tube of the gauge set and in direct communication with the nozzle set independent of the communication with the tube of the gauge set.