| 摘要 |
<p>A motor-driven hydraulic pump for use in motor vehicles and a driving coupler (3) used therein, in which the pump includes a driving gear (5) and a follower gear, an intake chamber and an outlet chamber formed on opposite sides of the meshed gears, a housing (7) for enclosing the intake chamber and the outlet chamber, the housing being supported by a first support (8) on one side and a second support (9) on the other side, and a noise damper (20) including a space (20a) inside for reducing noise occurring the delivery of a working oil, the noise damper communicating with the outlet chamber and being fixed to the second support of the housing, and wherein the driving coupler includes a protruding, undulated sleeve (31b) including a mortise (31c) mating with a tenon (1a) formed on the end of either the driving shaft or the driven shaft, and a sleeve counterpart including a mortise mating with a tenon formed on the end of the other shaft, and a protruding, splined projection which includes splines shaped to fit into the undulated sleeve, with spaces between the undulated sleeve and the splines being filled with an elastic material. <IMAGE> <IMAGE></p> |
