Abstract: Axial piston compressor, especially for motor vehicle air-conditioning systems, having a tilt plate (2), especially a ring-shaped tilt plate, which is variable in terms of its inclination with respect to a drive shaft (1) and which is driven in rotation by the drive shaft (1) and is connected to—especially in articulated connection with—at least one supporting element (5) arranged at a spacing from the drive shaft (1) and rotating together therewith, the pistons in each case having an articulated arrangement with which the tilt plate (2) is in sliding engagement, and the supporting element (5) being arranged at the radially outer end of a force transmission element (6) which rotates together with the drive shaft (1) and is fixed in the latter in an approximately radial direction, wherein the force transmission element (6) is in rotatable and/or radially displaceable articulated connection with the supporting element (5).

Abstract: Axial piston compressor, especially for motor vehicle air-conditioning systems, having a tilt plate (2), especially a ring-shaped tilt plate, which is variable in terms of its inclination with respect to a drive shaft (1) and which is driven in rotation by the drive shaft (1) and is in articulated connection with at least one supporting element (6) arranged at a spacing from the drive shaft (1) and rotating together therewith, the pistons in each case having an articulated arrangement with which the tilt plate (2) is in sliding engagement, and the supporting element (6) being arranged at the radially outer end of a force transmission element (7) which rotates together with the drive shaft (1) and is fixed in the latter so as to be non-displaceable in the radial direction, wherein the force transmission element (7) is mounted in the drive shaft (1) so that it can rotate about its longitudinal axis.

Abstract: Axial piston compressor, especially a compressor for the air-conditioning system of a motor vehicle, having a housing and, for drawing in and compressing a coolant, a compressor unit arranged in the housing and driven by means of a drive shaft, the compressor unit comprising pistons, which move axially back and forth in a cylinder block, and a tilt plate (swash plate, wobble plate or tilt ring) which drives the pistons and rotates together with the drive shaft, wherein the tilt plate is so constructed or mounted that its tilting behaviour acts in a self-limiting manner such that at high speeds of rotation of the compressor, especially at very high speeds of rotation or at the maximum speed of rotation, the angle of maximum deflection of the tilt plate is less than the angle of maximum deflection ?max at low speeds of rotation of the compressor.

Abstract: A reciprocating piston machine (100) is provided such as a CO2 compressor for a vehicle air-conditioning unit. The machine (100) comprises a plurality of pistons and a swivel disk (107) that is rotated by and can be positioned at an adjustable angle with respect to a drive shaft (104). The swivel disk (107) is mounted on the drive shaft (104) so as to be axially movable thereon. In addition, the swivel disk is connected in an articulated manner to at least one supporting element (109) which is disposed so that it is spaced apart from the drive shaft (104) but rotates therewith. Each of the pistons (106) comprises a joint arrangement (110) with which the swivel disk (107) is in sliding engagement. The connection (116) between the drive shaft (104) and the swivel disk (107) serves substantially only to transmit torque, whereas the supporting element (109) serves substantially only to provide axial support to the pistons (106) and/or to the swivel disk (107) and hence to absorb the force exerted by the gas.

Abstract: Reciprocating compressor (100), in particular CO2 compressor for vehicle air-conditioning units, with a swivel disk (107), in particular annular in form, that is rotated by a drive shaft (104) and can be positioned at an adjustable angle with respect to the drive shaft (104), wherein said disk is connected in an articulated manner to a sliding sleeve (108) that can be moved axially along the drive shaft (104) as well as to at least one supporting element (109) so disposed that it is spaced apart from the drive shaft (104) and rotates therewith, and wherein each of the pistons (106) comprises a joint arrangement (110) with which the swivel disk (107) is in sliding engagement. The articulated connection (116) between drive shaft (104) and swivel disk (107) serves substantially only to transmit torque, whereas the supporting element (109) serves substantially only to provide axial support to the pistons (106) and hence to absorb the force exerted by the gas.

Abstract: Compressor, especially a compressor for the air-conditioning system of a motor vehicle, having a housing (1) and, for drawing in and compressing a coolant, a compressor unit arranged in the housing (1) and driven by means of a drive shaft, the compressor unit being regulated by means of the pressure (PC) prevailing in a drive mechanism chamber substantially bounded by the housing (1), there being an additional regulation device (17) and/or control device for the inlet-gas-side coolant mass flow and/or the inlet pressure and/or the inlet density.

Abstract: Axial piston compressor, especially a compressor for the air-conditioning system of a motor vehicle, having a housing and, for drawing in and compressing a coolant, a compressor unit arranged in the housing and driven by means of a drive shaft (104), the compressor unit comprising pistons (118), which move axially back and forth in a cylinder block, and a tilt plate (swash plate or wobble plate; or tilt ring (107) which drives the pistons and rotates together with the drive shaft (104).

Abstract: Axial piston compressor, especially a compressor for the air-conditioning system of a motor vehicle, having a housing and, for drawing in and compressing a coolant, a compressor unit arranged in the housing and driven by means of a drive shaft (104), the compressor unit comprising pistons moving axially back and forth in a cylinder block and comprising a swash plate (107) which drives the pistons and rotates together with the drive shaft.

Abstract: A compressor for a vehicle air conditioning system comprises a front casing in which is mounted a swash or wobble plate arrangement operatively connected to a drive shaft and a plurality of pistons each provided with a piston body at one end and a foot portion at its other. A cylinder block is also provided defining a plurality of cylinder bores equally distributed circumferentially around the drive shaft, in each of which bores one of the piston bodies can be reciprocated by the swash or wobble plate, as the drive shaft rotates. The inner wall surface of the front casing defines a plurality of longitudinally extending recesses in positions apposed to each piston. The piston body and the foot portion of each piston are connected by a bridge that is bending resistant and projects outwardly into these apposed recesses. Also, at least one side of the bridge is provided with a laterally projecting wing that supports the piston against the adjacent inner wall surface of the front casing to one side of the recess.

Abstract: The invention relates to an axial piston drive with a continuously adjustable piston stroke, which comprises a drive shaft (10, 12) on which a swash plate (16) is supported in a crank chamber (14) in such a way as to be tiltable and displaceable in the axial direction, as well as a controller (18, 20) by means of which an tilt angle and an axial position of the swash plate (16) can be adjusted, and at least one piston (26, 28) connected to the swash plate (16) so that it can be actuated to move within a cylinder (22, 24).

Abstract: In an axial piston compressor for a refrigerant, in particular for a vehicle air conditioner, with a housing (12) in the interior of which is disposed at least one bearing (22, 24, 26, 48, 56, 58, 60, 64), with an output conduit (34) for the compressed refrigerant, and with a lubricant that is present in the interior of the housing (12), the lubrication is to be improved. For this purpose there is provided in the housing at least one lubricant channel to conduct lubricant to the bearing, as well as a lubricant separator (36) that is connected to the output conduit (34) for the refrigerant and incorporates a collection chamber (40) that contains the lubricant separated from the compressed refrigerant and is connected to the lubricant channel (46) by a feed line (42), such that the lubricant is propelled out of the lubricant separator and into the lubricant channel entirely on the basis of the pressure difference between the compression pressure of the lubricant and the interior pressure of the housing.

Abstract: The invention relates to a subassembly, consisting of a drive shaft (12), a housing (10) with a through-bore (19), through which the drive shaft projects out of the housing and an axial mechanical seal consisting of a rotating seal ring (22) and a counter-ring (20) which forms a seal between the drive shaft (12) and housing (10) components. The invention aims to improve the assembly of the axial mechanical seal and the thermal dissipation from said mechanical seal. To this end, the counter-ring (20) is configured as one single piece with one of the two components (10, 12). This obviates a separate assembly of the counter-ring and allows the heat produced by friction to be dissipated directly into one of the two components.

Abstract: Reciprocating compressor (100), in particular CO2 compressor for vehicle air-conditioning units, with a swivel disk (107), in particular annular in form, that is rotated by a drive shaft (104) and can be positioned at an adjustable angle with respect to the drive shaft (104), wherein said disk is connected in an articulated manner to a sliding sleeve (108) that can be moved axially along the drive shaft (104) as well as to at least one supporting element (109) so disposed that it is spaced apart from the drive shaft (104) and rotates therewith, and wherein each of the pistons (106) comprises a joint arrangement (110) with which the swivel disk (107) is in sliding engagement. The articulated connection (116) between drive shaft (104) and swivel disk (107) serves substantially only to transmit torque, whereas the supporting element (109) serves substantially only to provide axial support to the pistons (106) and hence to absorb the force exerted by the gas.

Abstract: The invention relates to an axial piston displacement compressor, comprising a drive shaft (12), a disc (14) which is mounted on the drive shaft in such a way, that it can be pivoted about a pivotal axis (C) and at least one piston (18) which is provided with sliding blocks (20) that slide on a runway on the disc (14). The invention aims to reduce the maximum effective surface pressure between the disc (14) and the sliding blocks (20). To this end, the pivotal axis (C) of the disc (14) is located eccentrically in relation to the central plane of the disc.

Abstract: A wobble plate arrangement (1) for a swash plate compressor comprises a swash plate (4) on which a wobble plate (5) is rotatably mounted. At least one antifriction bearing (7) is located between the swash plate (4) and the wobble plate (5), the swash plate (4) and the wobble plate (5) having been joined to one another during assembly of the bearing to form an integrated bearing unit from which the bearing (7) cannot be separately detached. Advantageously, the bearing (7) comprises two races (20, 22:26, 22) between which is located a plurality of rolling bearings (23) and at least one (22:26)) of the two races of the bearing (7) is integrally formed with either the swash plate (4) or the wobble plate (5), preferably with the wobble plate (5).

Abstract: Cylinder block (32) of an axial piston compressor (20), in particular for use in a vehicle air conditioner with CO2 as coolant, which comprises at least one, in particular several cylinder bores distributed about a periphery, each of which defines a cylinder face and accommodates a piston (8) consisting of piston shaft (8a) and piston neck (8b), wherein the piston neck (8b) outside the cylinder bore serves for coupling to a swash- and/or wobble-plate drive mechanism (29, 33) operatively connected to a rotatable drive shaft (1), by means of which the piston (8) is movable back and forth within the cylinder bore, between a top-dead-center point (OT) and a bottom-dead-center point (UT), and wherein the edge of the opening of the cylinder face on the drive-mechanism side comprises at least one recess (26d) that can be at least partially engaged by a transitional region (8c) disposed between the shaft (8a) and the neck (8b) of the piston, so that the cylinder face effective for the piston (8) is enlarged or elonga

Abstract: A compressor for a vehicle air conditioning system comprises a front casing in which is mounted a swash or wobble plate arrangement operatively connected to a drive shaft and a plurality of pistons each provided with a piston body at one end and a foot portion at its other. A cylinder block is also provided defining a plurality of cylinder bores equally distributed circumferentially around the drive shaft, in each of which bores one of the piston bodies can be reciprocated by the swash or wobble plate, as the drive shaft rotates. The inner wall surface of the front casing defines a plurality of longitudinally extending recesses in positions apposed to each piston. The piston body and the foot portion of each piston are connected by a bridge that is bending resistant and projects outwardly into these apposed recesses. Also, at least one side of the bridge is provided with a laterally projecting wing that supports the piston against the adjacent inner wall surface of the front casing to one side of the recess.

Abstract: Cylinder block (32) of an axial piston compressor (20), in particular for use in a vehicle air conditioner with C02 as coolant, which comprises at least one, in particular several cylinder bores distributed about a periphery, each of which defines a cylinder face and accommodates a piston (8) consisting of piston shaft (8a) and piston neck (8b), wherein the piston neck (8b) outside the cylinder bore serves for coupling to a swash- and/or wobble-plate drive mechanism (29, 33) operatively connected to a rotatable drive shaft (1), by means of which the piston (8) is movable back and forth within the cylinder bore, between a top-dead-center point (OT) and a bottom-dead-center point (UT), and wherein the edge of the opening of the cylinder face on the drive-mechanism side comprises at least one recess (26d) that can be at least partially engaged by a transitional region (8c) disposed between the shaft (8a) and the neck (8b) of the piston, so that the cylinder face effective for the piston (8) is enlarged or elonga