Wobble driven axial piston pump

An axial wobble piston pump which is driven by a motor for pumping a viscous medium, which comprises a wobble element (42) which is set into rotation via said motor, said wobble element drives at least one feed piston in a piston bore, said wobble element (42) and said at least one feed piston (24) being located in a pump insert (3), which is surrounded by and spaced from a pump housing (2), in which elastic sealing elements (9, 11, 12) are located between said pump insert (3) and said pump housing (2) to elastically support said pump insert radially and axially, and said pump insert (3) is retained axially and radially by a cap (15), which is locked in detent fashion in an undercut (16) of said pump housing (2).

An axial wobble piston pump which is driven by a motor for pumping a viscous medium, which comprises a wobble element (42) which is set into rotation via said motor, said wobble element drives at least one feed piston in a piston bore, said wobble element (42) and said at least one feed piston (24) being located in a pump insert (3), which is surrounded by and spaced from a pump housing (2), in which elastic sealing elements (9, 11, 12) are located between said pump insert (3) and said pump housing (2) to elastically support said pump insert radially and axially, said wobble element (42) is supported by a shaft end (4) of said insert (3), said motor includes an output shaft (5), said output shaft (5) of said motor (1) is coupled via a connecting element (8) with said shaft end (4) supporting said wobble element (42), said connecting element engages the inside of a blind bore (6) of the output shaft (5) on one end and on the other end engages the inside of a bore (7) in the shaft end (4).

An axial wobble piston pump for pumping a viscous medium which comprises a pump housing (2) including a retaining plate (54) mounted on said pump housing toward a face end, said retaining plate (54) includes an outer rim (58) that has an incline (60), a pump insert (3) secured within said housing (2), a pole housing in axial alignment with said pump housing, a motor secured within said pole housing, said pole housing includes an inner rim, and brackets (59) which originate at said pole housing by which said pump housing may be firmly connected to said pole housing of said motor, a wobble element (42) supported by a shaft end (4) of said insert (3) which is set into rotation via an output shaft (5) of said motor, said output shaft (5) of said motor (1) is coupled via a connecting element (8) with said shaft end (4) supporting said wobble element (42), said connecting element engages the inside of a blind bore (6) of the output shaft (5) on one end and on the other end engages the inside of a bore (7) in the shaft end (4), said wobble element drives at least one feed piston in a piston bore, said wobble element (42) and said at least one feed piston (24) being located in said pump insert (3), which is surrounded by said pump housing (2).

An axial wobble piston pump which is driven by a motor for pumping a viscous medium, which comprises a wobble element (42) which is set into rotation via said motor, said wobble element drives at least one feed piston in a piston bore, said wobble element (42) and said at least one feed piston (24) being located in a pump insert (3), which is surrounded by and spaced from a pump housing (2), in which elastic sealing elements (9, 11, 12) are located between said pump insert (3) and said pump housing (2) to elastically support said pump insert radially and axially, said sealing element (9) is an elastic bead on one side of a pump inlet including a connection nipple (10) located on said pump housing, and said sealing element (11) is a rubber ring (11) which extends on another side of said connection nipple and an annular chamber (17) being formed between said bead (9) and said ring (11), said pump inlet includes said annular chamber (17), an outer shell (21) surrounding said pump insert, and perforations (19) in said outer shell in the vicinity of said annular chamber (17), said perforations (19) connecting said annular chamber (17) with an annular groove (20), by way of which said medium can be carried to a control piston (25).

An axial wobble piston pump which is driven by a motor for pumping a viscous medium, which comprises a pole housing for said motor, a wobble element (42) which is set into rotation via said motor, said wobble element drives at least one feed piston in a piston bore, said wobble element (42) and said at least one feed piston (24) being located in a pump insert (3), which is surrounded by and spaced from a pump housing (2), said pump housing (2) is firmly secured to said pole housing, said insert (3) is spaced from said pump housing (2) by elastic sealing elements (9, 11, 12) so that said insert and said wobble element are elastically movable relative to an axis of said motor to keep vibration of said insert away from said motor and said pole housing, and said wobble element includes an outer race (43) of a deep groove ball bearing and said feed piston (24) and a control piston (25) run on said outer race (43) of said deep groove ball bearing.