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公开(公告)号：US11542945B2
公开(公告)日：2023-01-03
申请号：US16151961
申请日：2018-10-04
发明人： Tihomir Mikulic , Klaus Feller
IPC分类号： F04C29/04 , F04C18/08 , F25B31/00 , F04C29/00 , F04B39/12 , F04B39/02 , F04C14/28 , F04C29/02 , F04C28/28 , F04C18/16 , F04C28/06
摘要： A refrigerant compressor unit, including a compressor housing and at least one compressor element that is arranged in the compressor housing, is movable by bearing and drive parts, and operates in at least one compressor chamber, at least one lubricant supply point arranged in the compressor housing for at least one of the bearing and drive parts and/or compressor element, and a lubricant supply line to the at least one lubricant supply point, wherein the lubricant supply line has a lubricant storage chamber through which lubricant flows and in which a lubricant presence sensor is arranged for detecting the presence of lubricant in the lubricant storage chamber.
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公开(公告)号：US20220158509A1
公开(公告)日：2022-05-19
申请号：US17590499
申请日：2022-02-01
发明人： Franck Repentin
摘要： The invention relates to a compressor for refrigerant having a compressor housing, said compressor housing being provided with a suction inlet and a pressure outlet, said compressor comprising a compression unit, arranged in a compression housing section of said compressor housing and an electric motor arranged in a motor housing section of said compressor housing, said electric motor comprising a stator arranged within a stator receiving sleeve of said motor housing section and a rotor surrounded by said stator and arranged on a drive shaft of said electric motor for rotation about an axis of rotation together with said drive shaft, said stator comprising a stator core having a stack of laminations and extending parallel to said axis of rotation from a first front side to a second front side, said stator having windings extending through said stator core and forming end windings arranged in front of said front surfaces, and a channel for guiding at least a portion of said refrigerant entering through said suction inlet along an outer side of said stator before entering said compression unit.
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公开(公告)号：US10969149B2
公开(公告)日：2021-04-06
申请号：US15702841
申请日：2017-09-13
发明人： Andreas Schulaks
摘要： In order to improve the operational reliability of a refrigerant compressor system that includes a first refrigerant line that conducts expanded refrigerant, a second refrigerant line that conducts compressed refrigerant, at least one refrigerant compressor that is arranged between the first and the second refrigerant line and is driven by a motor, and a control unit for operating the refrigerant compressor system, it is proposed that the control unit should have a first central processing unit and at least one input/output unit for control variables that communicates with the first central processing unit, and that there should be associated with the first central processing unit a second central processing unit which, in the event of a failure of the first central processing unit, takes over the control functions for the purpose of controlling the refrigerant compressor system.
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公开(公告)号：US10648472B2
公开(公告)日：2020-05-12
申请号：US14490104
申请日：2014-09-18
发明人： Dominic Kienzle , Ashraf Agha , Stephan Roelke
摘要： In order to further improve the sound damping in a refrigerant compressor comprising a common housing, a screw-type compressor in a common housing has a compressor housing that is formed as part of the common housing with a first sound absorber unit which is arranged in the common housing. The first sound absorber unit is arranged adjacent a housing window, and the sound absorber unit comprises at least one chamber which is located between an inlet opening and an outlet opening and which widens out relative to the inlet opening and to the outlet opening in a direction transverse to a direction of flow.
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公开(公告)号：US10605509B2
公开(公告)日：2020-03-31
申请号：US15878882
申请日：2018-01-24
发明人： Oliver Javerschek
摘要： A refrigeration system is of the type that includes a refrigerant compressor unit which compresses normal refrigerating mass flow and a parallel compressor. The parallel compressor in a parallel compression mode of operation of the refrigerant circuit, sucks in refrigerant from the intermediate pressure accumulator and compresses it to high pressure. It is proposed that, in order to increase efficiency, the power of the parallel compressor is controlled by a control system. The control system determines at least one reference variable representing a load state of the refrigerant circuit, that determines a set intermediate pressure value on the basis of the at least one reference variable at least in a parallel compression mode of operation, and that regulates the intermediate pressure in accordance with the set intermediate pressure value at least in the parallel compression mode of operation.
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公开(公告)号：US20190170139A1
公开(公告)日：2019-06-06
申请号：US16257743
申请日：2019-01-25
发明人： Dimitri Gossen
摘要： In order to improve a compressor comprising a compressor housing, a scroll compressor unit which is arranged in the compressor housing and comprises a first stationary compressor body and a second compressor body that can be moved relative to the stationary compressor body, an eccentric drive for the scroll compressor unit, said drive having a drive member which is driven by a drive motor and which revolves about the central axis of a driveshaft on an orbital path, and an orbital path balancing mass which counteracts an unbalance due to the compressor body moving on the orbital path, so that even at high rotational speeds the long-term stability of the drive member guidance in the drive member receptacle can be ensured, it is proposed that the orbital path balancing mass is coupled to the eccentric drive such that the mass moves on the orbital path in a manner corresponding to the movement of the drive member but is uncoupled with respect to the transmission of tilting moments to the drive member.
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公开(公告)号：US20190032666A1
公开(公告)日：2019-01-31
申请号：US16151961
申请日：2018-10-04
发明人： Tihomir Mikulic , Klaus Feller
摘要： A refrigerant compressor unit, including a compressor housing and at least one compressor element that is arranged in the compressor housing, is movable by bearing and drive parts, and operates in at least one compressor chamber, at least one lubricant supply point arranged in the compressor housing for at least one of the bearing and drive parts and/or compressor element, and a lubricant supply line to the at least one lubricant supply point, wherein the lubricant supply line has a lubricant storage chamber through which lubricant flows and in which a lubricant presence sensor is arranged for detecting the presence of lubricant in the lubricant storage chamber.
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公开(公告)号：US20190032661A1
公开(公告)日：2019-01-31
申请号：US16152019
申请日：2018-10-04
发明人： Tihomir Mikulic
摘要： A screw compressor, including a compressor housing having a screw rotor chamber arranged therein, two screw rotors that are arranged in the screw rotor chamber and are mounted on the compressor housing, each rotatably about a respective screw rotor axis, and engage in each other by means of their helical contours, and including two control sliders that are arranged one behind the other in a slider channel of the compressor housing in a direction of displacement parallel to the screw rotor axes and are adjacent to both screw rotors by means of slider compression wall surfaces and are movable in the direction of displacement, wherein, in a combined position with mutually facing end surfaces sealing tightly with each other, the first control slider and the second control slider and are movable together in the direction of displacement and, in a separated position, are positionable at a spacing from one another, forming an intermediate space, wherein, at least in a transfer position located between the combined position and the separated position, the control sliders form an inflow chamber into which the medium to be compressed flows out of one of the compression chambers by passing between the mutually facing end surfaces of the control sliders, and wherein one of the control sliders is provided with at least one outflow outlet that is adjacent to the inflow chamber and through which the medium from the inflow chamber enters an outflow opening in the slider channel that overlaps with the outflow outlet in this transfer position.
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公开(公告)号：US20190032655A1
公开(公告)日：2019-01-31
申请号：US16152079
申请日：2018-10-04
发明人： Tihomir Mikulic , Roni Loerch , Klaus Feller
摘要： A compressor unit including a screw compressor having a compressor housing that has a screw rotor chamber arranged in the compressor housing, two screw rotors that are arranged in the screw rotor chamber and are mounted on the compressor housing to be rotatable about a respective screw rotor axis, and at least one control slider, which is arranged in a slider channel of the compressor housing, is adjacent to both screw rotors and is movable in a direction of displacement parallel to the screw rotor axes and takes a form such that it affects the final volume and/or the initial volume, wherein there is provided on the screw compressor a compressor operational control unit that takes a form such that it performs a compressor operating function that assists at least one operation of the compressor unit.
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