An internal gear pump for pumping fluid comprising an inlet port (1), an outlet port (2), an externally toothed external gear (4), an internally toothed internal gear (5) connected to the external gear with a meshing region (12), and a crescent member (3), wherein said crescent member has a trailing edge (11) adjace...
A combination of hydraulic gear pump and hydraulic gear motor i: disclosed. The combination comprises a housing (5) having an inlet (A, a and an outlet (B, b) for both the pump and motor respectively. It mainl1 includes four mating gears, two for the pump (3, 4) and two for the moto (1, 2). All the four gears have j...
An improved process for production of metal castings,id process comprising:(a) placing in a casting mold of shell sand core havingthe pattern of the metal casting to be produced;(b) introducing molten metal into the casting mold;(c) allowing the molten metal to cool to form the ...
An interlocking device for rigidly holding together the body (1) and flange (2) of ahydraulic machine comprises a body (1), flange (2), gears (12, 13), sealing means (7, 10)acting as a body seal and lobe seal adapted to effectively seal pressurized oil pocketswithin the hydraulic machine wi...
An interlocking device for rigidly holding together the body (1) and flange (2) of ahydraulic machine comprises a today (1), flange (2), gears (12, 13), sealing means (7, 10)acting as a body seal and lobe seal adapted to effectively seal pressurized oil pocketswithin the hydraulic machine w...
A test rig for testing a control valve, said test rig comprises: - a pair of clamping cylinders between which a control valve (21) to be tested is clampable; - a load cell (27) aligned with a reciprocable spool (24) of said cylinder valve, and connected to a motor (26); - a first pressure transducer (14.1) c...
A combination of hydraulic gear pump and hydraulic gear motor is
disclosed. The combination comprises a housing (5) having an inlet (A, a)
and an outlet (B, b) for both the pump and motor respectively. It mainly
includes four mating gears, two for the pump (3, 4) and two for the motor
(1, 2). All the four gears ...