Abstract: A spiral compressor having a stationary spiral element with a stationary spiral wall, a rotating spiral element with a rotating spiral wall arranged on a rotatable plate which is engaged with the stationary spiral wall wherein several compression working spaces are formed, and a guide means intended for guiding the rotating spiral element and with at least two guiding pins arranged in a stationary manner, at least two recesses formed on a back of the rotating spiral element with running sleeves which are inserted therein in a radially movable manner, in which the guiding pins are received such that the inner surface of the running sleeves, during rotation of the rotating spiral element, rotates about the circumference of the guiding pins, and wherein a lock is formed in every recess which prevents an axial protrusion of the running sleeves out of the recesses.

Abstract: A ball bearing for the scroll of a scroll compressor, having an outer race, an inner race and a plurality of balls disposed therebetween, characterized in that the balls are held and guided in a ball bearing cage, wherein the ball bearing cage is formed as an externally guided plastic cage with a reinforcing structure made of metal as a hybrid cage.

Abstract: A scroll compressor and a method for oil enrichment and distribution, wherein the scroll compressor includes a compressor housing, two scrolls, a respective base plate, an eccentric drive, a drive shaft, an axis of rotation, a balance weight, a first bearing, a second bearing, and a counter-pressure space, and wherein a sealing washer is fixed on the first bearing at a side of the first bearing directed to the cavity of the rotatable balance weight and of the second bearing such that the sealing washer seals the first bearing on one side in a radially outer part of a region between an inner ring and an outer ring through which fluid can flow and is, at the same time, spaced from the inner ring in a radial manner such that a gap through which fluid can flow remains.

Abstract: A scroll compressor and a method for oil enrichment and distribution, wherein the scroll compressor includes a compressor housing, two scrolls, a respective base plate, an eccentric drive, a drive shaft, an axis of rotation, a balance weight, a first bearing, a second bearing, and a counter-pressure space, and wherein a sealing washer is fixed on the first bearing at a side of the first bearing directed to the cavity of the rotatable balance weight and of the second bearing such that the sealing washer seals the first bearing on one side in a radially outer part of a region between an inner ring and an outer ring through which fluid can flow and is, at the same time, spaced from the inner ring in a radial manner such that a gap through which fluid can flow remains.

Abstract: A compressor module for a refrigerant circuit of a motor vehicle air-conditioning system, exhibiting a modular multi-part housing with a low-pressure refrigerant inlet, a high-pressure refrigerant outlet and a compressor, characterized in that an inner heat exchanger of the refrigerant circuit is produced such that it is integrated into the compressor module, wherein the housing of the compressor module fully encloses the inner heat exchanger.

Abstract: An apparatus for compressing gas-phase fluid including a housing having a wall, a stator having a base plate and a helical wall extending from one side of the base plate, and an orbiter having a base plate and a helical wall extending therefrom. The base plates are disposed such that the wall of the stator and the wall of the orbiter engage with each other to define closed working chambers. The volumes and positions of the working chambers are changed in response to the motion of the orbiter. The apparatus includes a guide device having an opening formed in the base plate of the orbiter and a pin coupled to the housing. The pin engages the opening. A sliding element is disposed between the wall of the housing and the orbiter and coupled to the wall. The pin is pressed into an opening formed in the sliding element.

Abstract: A scroll compressor including a housing (9) with a suction inlet (10) and a system outlet (11), a first scroll element (1) with a spiral (2) that is formed on a first plate that is arranged fixed in the housing (9), a second scroll element (13) with a second spiral (15) that is formed on a second plate that is rotatably arranged in the housing (9), wherein the second spiral (15) is rotated at an angle with the first spiral (2), being arranged radially offset and put together in such a way that the second spiral (15) can roll off in the instance of a rotation of the second scroll element (13) on the first spiral (2) whilst forming a suction chamber, a central chamber and a discharge chamber.

Abstract: An apparatus for compressing gas-phase fluid including a housing having a wall, a stator having a base plate and a helical wall extending from one side of the base plate, and an orbiter having a base plate and a helical wall extending therefrom. The base plates are disposed such that the wall of the stator and the wall of the orbiter engage with each other to define closed working chambers. The volumes and positions of the working chambers are changed in response to the motion of the orbiter. The apparatus includes a guide device having an opening formed in the base plate of the orbiter and a pin coupled to the housing. The pin engages the opening. A sliding element is disposed between the wall of the housing and the orbiter and coupled to the wall. The pin is pressed into an opening formed in the sliding element.

Abstract: A refrigerant scroll compressor for a motor vehicle air conditioning system having a fixed scroll, a orbiting scroll engaging with the fixed scroll, wherein the fixed scroll and the orbiting scroll cooperate to compress a refrigerant gas. An intermediate pressure chamber is disposed adjacent the orbiting scroll, an oil return duct provides fluid communication between the intermediate pressure chamber and a high pressure area of the refrigerant scroll compressor, and at least one intermediate pressure duct is formed in one of the orbiting scroll and fixed scroll and is in fluid communication with the intermediate pressure chamber.

Abstract: A refrigerant scroll compressor for a motor vehicle air conditioning system having a fixed scroll, a orbiting scroll engaging with the fixed scroll, wherein the fixed scroll and the orbiting scroll cooperate to compress a refrigerant gas. An intermediate pressure chamber is disposed adjacent the orbiting scroll, an oil return duct provides fluid communication between the intermediate pressure chamber and a high pressure area of the refrigerant scroll compressor, and at least one intermediate pressure duct is formed in one of the orbiting scroll and fixed scroll and is in fluid communication with the intermediate pressure chamber.

Abstract: The invention relates to an attachment arrangement for vibration decoupling for a refrigerant compressor in motor vehicles. The refrigerant compressor is provided with a mounting opening, wherein a decoupling member made of a vibration damping material is arranged. In the decoupling member a fastening member in form of a hollow-cylindrical fastening sleeve is provided, which is rigid in axial direction. A fastening member axially penetrates the fastening sleeve, by force-closure connecting the fastening sleeve to a fastening point at the motor vehicle over a counterpart. The decoupling member is provided at the mounting opening on the end side in axial direction radially protruding in each case with a flange for form-closed accommodation of the refrigerant compressor.

Abstract: An internal heat exchanger including an integrated accumulator is disclosed, wherein the heat exchanger is used in refrigerant circuits, particularly in motor vehicle heating, ventilation, and air conditioning systems.

Abstract: The invention relates to an attachment device of a combined module consisting of an accumulator and internal heat exchanger for use in mobile air conditioning systems with the CO2 coolant R744 on the body of a motor vehicle. The combined module is indirectly connected with mounts which are rigidly secured to the body using oscillation-damping decoupling elements.

Abstract: A mechanical joint for an accumulator-internal heat exchanger (AccuIHE) module is provided. The mechanical joint includes a heat exchanger pipe and a cover plate having an internal connecting area. The internal connecting area is adapted to receive the heat exchanger pipe. The cover plate further has an external connecting area in fluid communication with the internal connecting area, the external connecting area adapted to receive a high-pressure coolant line. The mechanical joint also has a housing adapted to receive the cover plate and the heat exchanger pipe, and a sealing element. The sealing element is disposed between the heat exchanger pipe and the internal connecting area of the cover plate. The sealing element facilitates a substantially fluid tight seal therebetween. An AccuIHE module having the mechanical joint and a method for forming the mechanical joint are also provided.

Abstract: A refrigerant circuit for a vehicle heating, ventilation, and air conditioning system is disclosed, wherein the refrigerant circuit includes a combined component including an internal heat exchanger and an accumulator, and wherein a cost and difficulty of manufacture and assembly thereof are minimized, and an efficiency thereof is maximized.

Abstract: An internal heat exchanger including an integrated accumulator is disclosed, wherein the heat exchanger is used in refrigerant circuits, particularly in motor vehicle heating, ventilation, and air conditioning systems.

Abstract: An internal heat exchanger unit for use in refrigerant circuits of automotive air conditioning systems. The internal heat exchanger includes a casing within which is located an accumulator, spaced thereapart so as to define a gap between the two components. Located within the gap is a coil-shaped fin tube. The fins of the fin tube include bend end portions at spaced apart locations about the fins, and the bent end portions defining an outer dimension of the fins that substantially corresponds to the gap width.

Abstract: A refrigerant accumulator for refrigerant circuits having a container with an inlet for a two-phase mixture and an outlet for the refrigerant vapor. The accumulator includes a baffle provided as a separator in the upper part of the refrigerant accumulator. The baffle includes means for the collection of liquid refrigerant, by which the liquid refrigerant is leadable into the lower region of the refrigerant accumulator.

Abstract: Pressure-regulating valve having a throttle mounted in a tube section such that it can be pivoted about a pivot axis from an open position into a closed position. The throttle having a pressure relief valve mounted therein.

Abstract: An exhaust-gas heat recovery appliance having a heat-exchanger line and a bypass line and a heat exchanger being arranged in the region of the heat-exchanger line. At least one valve device, for the purpose of influencing the mass flow of exhaust gas, is provided in the heat-exchanger line and the bypass line. Further, at least the heat-exchanger line has a slope in the direction of flow of the exhaust gas in the installed position.