摘要:
Control ring (210; 310) for controlling the flow of a pressure medium in a displacement pump (200), said control ring (210; 310) is; • extending along a first rotational axis (ax1), • a first and a second axial surface (213, 214; 313, 314), wherein
said first axial surface (213; 313) having an interface section (220; 320) provided with at least a first and a second opening (21, 22; 221, 222), which first and second openings (221, 222; 321, 322) are arc shaped and are separated by a first and a second land (215, 216; 315, 316), characterised in, that said first land (215, 315) is provided with a first tapered groove (), extending from said first opening (221; 321) into said first land (215; 315), and having its broader edge in direction of said first opening (221; 321) and its tip in direction of the other of said second opening (222, 322), wherein said first tapered groove (240; 340) extends into said first land (215; 315) such that an angular distance (ad1, ad2) between said first and second opening over said first land (215; 315) is different at different radial distances (r1, r2).
摘要:
Hydrostatic overload clutch (HO-clutch) (10; 40), the HO-clutch (10; 40) comprises; • a housing (21; 41), • torque input means (22; 42), • torque output means (23; 43), and • a first and a second pressure chamber (25, 26; 45, 52) adapted to be filled with a pressure medium,
wherein the first and second pressure chamber (25, 26; 45, 52) are interconnected through at least a first channel (11 ; 54) and is arranged in one of the input and output means (22, 23; 42, 43), wherein the input means (22; 42) is adapted to interact with the first pressure chamber (25; 45) such, that by applying a torque onto the input means (22; 42) a pressure can be raised in the first pressure chamber (25; 45) characterised in, that a first one-way relief valve (13; 56) is arranged in the first channel (11; 54), wherein the first one-way relief valve (13; 56) is adapted to open when a first pressure (p1) in the first pressure chamber (25; 45) rises above a first predetermined threshold pressure, whereby the torque can be transferred to the torque output means (23; 43) as long as the first pressure (p1) is held below the first predetermined threshold pressure.
摘要:
A gerotor pump (1) comprising; ● a housing (2) which comprises a first and a second supply socket (18a, 18b; 19a, 19b), ● an inner rotor (4); and ● an outer rotor (5) rotatably located relative the housing (2);
wherein the inner rotor (4) is located within the outer rotor (5), and lobes (13, 14) of the inner and the outer rotor (4, 5) engaging, the inner rotor (4) is centred around an axis (15b) which is eccentric from an axis of rotation (15) of said outer rotor (5), wherein a pressure chamber (7) with a high pressure and a low pressure section, is defined between the inner and outer rotor (4, 5), characterised in, that the inner rotor (4) is rotatably arranged on a shaft cylinder (10b) which is fixed at one end of a central drive shaft (10) of the pump (1) and is centred about said rotational axis (15b), whereby said inner rotor (4) wanders in said outer rotor (5) when said central drive shaft (10) is turned, and wherein the inner rotor (4) is provided with radial supply conduits (9) extending from the pressure chambers (7) to the shaft cylinder (10b), and wherein said shaft cylinder (10b) is provided with at least a first and a second cylinder opening (16, 17), such that the first cylinder opening (16) is axially displaced relative the second cylinder opening (17), and said first opening (16) is arranged such that it is connected to said high pressure section, and said second cylinder opening (17) is arranged such that it is connected to said low pressure section.
摘要:
A combustion engine component comprises an assembly (3) of a belt pulley (10) for driving auxiliary engine equipment and a torsional vibration damper (9). The assembly (3) is adapted to be fixed on an engine crankshaft (6), wherein the belt pulley (10) is of a so called decoupling type, arranged to be able to change its rotational angle relative to the crankshaft (6) and the torsional vibration damper (9). The torsional vibration damper (9) is partially positioned in a corresponding annular recess (30) in the belt pulley (10), creating an annular cavity (30a) in the recess (30) between the torsional vibration damper (9) and the belt pulley (10). An annular seal ring (31, 40, 50, 60, 70) is positioned in the annular cavity (30a) and is arranged to close off at least a part of the annular cavity (30a) from the air surrounding the assembly (3).
摘要:
A hydraulic device (1) comprising a housing (2) and a gerotor (3) contained within the housing (2), the gerotor (3) having an inner rotor (4) eccentrically disposed within an outer ring (5), the outer ring having a central axis (19), the outer ring (5) being fixed to the housing, the inner rotor (4) having external lobes (4a) extending radially outwardly engaging the outer ring (5) having internal lobes (5a) extending radially inwardly, the inner rotor (4) being arranged for orbital and rotational movement relative the outer ring (5), wherein the orbital and rotational movement will define a plurality of expanding and contracting volume pressure chambers (7) between the inner rotor (4) and the outer ring (5). The hydraulic device (1) comprises a fluid feeder tube (8) with a central axis (19), the fluid feeder tube (8) is provided with at least one fluid inlet line (8a, 8c) and at least one fluid outlet line (8b, 8d), the inner rotor (4) is adapted to slide against a drive shaft cylinder (10b), the drive shaft cylinder (10b) having a circumference which is eccentrically disposed relative the central axis (19), the inner rotor (4) comprises at least one radial fluid feeder channel (9) disposed radially from the centre of and through the inner rotor (4) and out to at least one of the plurality of expanding and contracting volume pressure chambers (7), wherein said fluid inlet line (8a, 8c) and said fluid outlet line (8b, 8d) respectively are radially connectable to said radial fluid feeder channel (9) for fluid communication into and out from said expanding and contracting volume pressure chambers (7).
摘要:
Control ring (10; 210) for controlling the flow of a pressure medium in a displacement pump (200), said control ring (10; 210) is; • centred about a rotational axis (ax) • extending along said rotational axis (ax), • having an inner and an outer diameter (d, D) and thereby an inner and outer radial surface (11, 12; 211, 212) • a first and a second axial surface (13, 14; 213, 214), wherein
said first axial surface (13; 213) having an interface section (20; 220) provided with at least a first and a second opening (21, 22; 221, 222), which first and second opening (21, 22; 221, 222) are separated by a first and a second intermediate section (15, 16; 215, 216), characterised in, that said first and second opening (21, 22; 221, 222) are mouthing to a corresponding mouthing area provided at either of the inner and outer radial surface (11, 12; 211, 212).
摘要:
A gerotor motor (101), comprising; ● a housing (102) comprising a first and a second supply socket (18a, b; 19a, b); ● an inner rotor (104); and ● an outer rotor (104) rotatably located relative the housing (102);
wherein the inner rotor (104) is located within the outer rotor (105), and lobes (113, 114) of the inner rotor (104) and the outer rotor (105) engaging, and wherein the inner rotor (104) is centred around an rotational axis (115b) which is eccentric from a fix central shaft (115) of the motor (101), characterised in, that said inner rotor (104) is eccentric rotatably arranged on said central shaft (115), wherein a first and a second flange (129, 130) extending radial from both sides of the outer rotor (105), such that said flanges (129, 130) defines a pressure chamber (107) with a first and a second pressure section between the inner and outer rotor (104, 105).
摘要:
A hydraulic device (1) comprising a housing (2) and a gerotor (3) contained within the housing (2), the gerotor (3) having an inner rotor (4) eccentrically disposed within an outer ring (5), the outer ring having a central axis (19), the outer ring (5) being fixed to the housing, the inner rotor (4) having external lobes (4a) extending radially outwardly engaging the outer ring (5) having internal lobes (5a) extending radially inwardly, the inner rotor (4) being arranged for orbital and rotational movement relative the outer ring (5), wherein the orbital and rotational movement will define a plurality of expanding and contracting volume pressure chambers (7) between the inner rotor (4) and the outer ring (5). The hydraulic device (1) comprises a fluid feeder tube (8) with a central axis (19), the fluid feeder tube (8) is provided with at least one fluid inlet line (8a, 8c) and at least one fluid outlet line (8b, 8d), the inner rotor (4) is adapted to slide against a drive shaft cylinder (10b), the drive shaft cylinder (10b) having a circumference which is eccentrically disposed relative the central axis (19), the inner rotor (4) comprises at least one radial fluid feeder channel (9) disposed radially from the centre of and through the inner rotor (4) and out to at least one of the plurality of expanding and contracting volume pressure chambers (7), wherein said fluid inlet line (8a, 8c) and said fluid outlet line (8b, 8d) respectively are radially connectable to said radial fluid feeder channel (9) for fluid communication into and out from said expanding and contracting volume pressure chambers (7).