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| Number | Title | Issue Date |
| 7935888 | Protective cover arrangement for an electrical unit A protective cover arrangement (1) for a first electrical unit, e.g. a starter unit (3), mountable on a second electrical unit, e.g. a compressor (2). The protective cover arrangement (1) comprises an outer cover (5) and an inner c... | 05/03/2011 |
| 7934913 | Piston compressor, particularly a hermetic refrigerant compressor The invention concerns a piston compressor, particularly a hermetic refrigerant compressor, with a compression chamber, which is limited by a valve plate arrangement having a valve plate with a suction gas opening and a pressure gas opening, a suction valve plate wi... | 05/03/2011 |
| 7886553 | Method and a control unit for controlling a power level A method and a control unit for controlling a power level being drawn from a power source (26). Based on a determined rate of change of a measured voltage (1) an estimated remaining runtime is calculated. The estimated remaining runtime represents a ti... | 02/15/2011 |
| 7874170 | Intelligent lighting supply A method and a control unit (4) for controlling a supply of power to an electrical circuit comprising a switch (3). An output voltage of a first power source (5), which is connected to the circuit, is measured and compared to a predefined thresh... | 01/25/2011 |
| 7851963 | Rotor of an electrical machine and motor with such a rotor The invention concerns a rotor of an electrical machine, particularly a driving motor for a hermetically enclosed refrigerant compressor with a body (4) comprising a magnetically conductive material, the rotor having a plurality of axially extending slots ( | 12/14/2010 |
| D625692 | Application module for a compressor | 10/19/2010 |
| 7777992 | Motor start circuit Motor start circuit for an induction motor, particularly a single-phase AC induction motor, with a main winding (4) and an auxiliary winding (5), which are supplied with current, particularly alternating current, via current supply connections (24, ... | 08/17/2010 |
| 7777438 | Motor start circuit Motor start circuit for an induction motor-with a main winding and an auxiliary winding having two end connections supplied with current via current supply connections, and with a start circuit device serving the purpose of stopping the current flow through the auxi... | 08/17/2010 |
| 7722337 | Piston compressor cylinder arrangement, particularly for a hermetically enclosed refrigerant compressor The invention concerns a piston compressor cylinder arrangement (1), particularly for a hermetically enclosed refrigerant compressor, with a cylinder body (2) and a cylinder head arrangement (7), the cylinder body (2) having a first front... | 05/25/2010 |
| 7686594 | Refrigerant compressor arrangement The invention concerns a refrigerant compressor arrangement with a compressor having a suction inlet, a casing, in which the compressor is located, a suction socket, which is in communication with the casing, a suction opening in the casing, which is connected with ... | 03/30/2010 |
| 7646617 | Method for controlling a direct voltage source and a voltage supply device The invention concerns a method for controlling a direct voltage source with a first direct voltage source (2) and a voltage monitoring device (24), which monitors an output voltage of the first direct voltage source (2) and acts upon a control ... | 01/12/2010 |
| 7630180 | Motor starter circuit The invention concerns a motor starter circuit for an induction motor, particularly a single-phase AC induction motor, with a main winding (4) and an auxiliary winding (5) supplied with current, particularly AC, via current supply connections (24, 2... | 12/08/2009 |
| 7619343 | Rotor for an electrical motor The invention provides a rotor for an electrical motor. The rotor comprises both a squirrel cage and a number of magnets and can be inserted e.g. in a line-start motor. To secure the magnets in cavities in a core of the rotor, an end plate is attached to one axial e... | 11/17/2009 |
| 7612481 | Rotor with a cover plate for securing a magnet in the rotor The invention provides a rotor for an electrical motor, e.g. a line-start motor. The rotor comprises a magnet located in a cavity in a rotor core. The core is laminated from sheets of magnetically conductive material and the magnet is secured in the cavity by an end... | 11/03/2009 |
| 7610771 | Refrigerating apparatus and refrigerator A refrigerating apparatus for a refrigerator has an electrical voltage supply and an electrical interface for connection with components of the refrigerator with the interface having a galvanic isolation between an input arrangement connected with the refrigerating ... | 11/03/2009 |
| 7514892 | Method and a control system for starting a motor for driving a compressor A method and a control system for starting a motor (19), in particular a motor (19) for driving a compressor. The rotational speed (24) of the motor (19) is measured and compared to a minimum value. In the case that ωmotor ( | 04/07/2009 |
| 7478471 | Method for mounting a drive shaft of a compressor The invention concerns a method for mounting a drive shaft (19) of a compressor, particularly a hermetical refrigerant compressor, which has a motor with a stator (1) and a rotor (23), connected with the drive shaft (19) and located in a ... | 01/20/2009 |
| 7421940 | Piston compressor, particularly hermetically enclosed refrigerant compressor The invention concerns a piston compressor, particularly a hermetically enclosed refrigerant compressor, with at least one cylinder a piston reciprocating in said cylinder, the piston being connected with a driving rod via a piston pin and having in its outer jacket... | 09/09/2008 |
| 7390177 | Piston compressor, particularly a hermetic refrigerant compressor The invention concerns a piston compressor, particularly a hermetic refrigerant compressor, with a compression chamber, which is limited by a valve plate arrangement having a valve plate with a suction gas opening and a pressure gas opening, a suction valve plate wi... | 06/24/2008 |
| 7365466 | Rotor for an electrical motor The invention provides a rotor for an electrical motor, a tool for making a rotor core and a method of making the rotor. The rotor could be incorporated e.g. in a line-start motor and comprises a squirrel cage and magnet located in a rotor core. The magnets are, in ... | 04/29/2008 |
| 7345859 | Method and a control system for starting a motor A method for starting a battery driven motor, wherein an input voltage is measured continuously. In case the input voltage becomes smaller than a predefined minimum voltage the attempt to start the motor is stopped and the maximum permitted current level to be suppl... | 03/18/2008 |
| 7316291 | Suction muffler for a hermetic refrigerant compressor The invention concerns a suction muffler for a hermetic refrigerant compressor with a housing having an inlet and an outlet and limiting at least one muffling chamber, and a gas supply channel located in the muffling chamber between the inlet and the outlet. It is e... | 01/08/2008 |
| 7309940 | Rotor arrangement for an electrical drive motor of a compressor, particularly a refrigerant compressor The invention concerns a rotor arrangement for an electrical drive motor of a compressor, particularly a refrigerant compressor, with a rotor having a rotor lamination of stacked sheet plates, and a shaft, which is inserted in an axial recess of the rotor lamination... | 12/18/2007 |
| 7269962 | Cooling medium compressor arrangement A cooling medium compressor arrangement is comprised of a compressor, a control mechanism electrically connected with the compressor, and a gas sensor, and the safety of the arrangement is improved by arranging the control mechanism and the gas sensor in a common ho... | 09/18/2007 |
| 7265515 | Starter for a line start electric motor The invention concerns a starter for a line start electric motor having at least one main winding (4) and at least one start winding (12) and which start winding is connected in series with a run capacitor (14) with which a start capacitor (1... | 09/04/2007 |
| 7247965 | Rotor for an electric motor The invention relates to a rotor for an electric motor, especially an electric line-start motor, comprising spaces (4 to 7) which receive permanent magnets (10 to 13) and extend in an axial direction, and spaces (20 to 25) t... | 07/24/2007 |
| 7243595 | Piston compressor The invention concerns a piston compressor with a piston, which is connected with a crank pin of a drive shaft via a connecting rod having a longitudinal channel. It is endeavored to make the manufacturing of a piston compressor cost effective. For this purpose, it ... | 07/17/2007 |
| 7214040 | Cylinder head arrangement for a piston compressor The invention relates to a cylinder head arrangement for a piston compressor, particularly for a hermetically enclosed refrigerant compressor, with a valve plate, a suction gas channel, a discharge chamber and a retainer element for a discharge valve. It is endeavou... | 05/08/2007 |
| 7183685 | Rotor for an electric motor The invention relates to a rotor for an electric motor, particularly an electric line-start motor, comprising axially accommodating spaces (4 to 6) for conductor rods, and axially extending receiving spaces (10, 11) for permanent magnets (14,... | 02/27/2007 |
| 7134383 | Piston arrangement The invention concerns a piston arrangement having a piston with a piston head and a piston skirt with a circumferential surface, and a connecting rod, which is connected with the piston via a ball joint comprising a ball, and penetrated by an oil supply channel, wh... | 11/14/2006 |
| 7100494 | Piston arrangement The invention concerns a piston arrangement having a piston with a piston head and a piston skirt and a connecting rod, which is connected with the piston via a ball joint arrangement comprising a ball, the ball being held in the piston by means of a safety element.... | 09/05/2006 |
| 7095152 | Stator for a line-start electric motor The invention concerns a stator for a line-start electric motor, with a rotor accommodating chamber, in which a rotor is accommodated to be rotatable, and which has accommodating chambers for conducting rods and accommodating chambers for permanent magnets, and with... | 08/22/2006 |
| 6976559 | Piston compressor, particularly hermetically enclosed refrigerant compressor The invention relates to a piston compressor, particularly a hermetically enclosed refrigerant compressor, with a crank drive, having a crank shaft with an eccentric crank pin and an oil channel arrangement, and a connecting rod with a first piston-side connecting r... | 12/20/2005 |
| 6845843 | Suction muffler for a refrigerating machine The invention concerns a suction muffler for a refrigerating machine with a housing, in which at least one chamber is arranged and which has an inlet opening (7), an outlet opening and an oil discharge opening. It is endeavoured to avoid that too much ... | 01/25/2005 |
| 6763909 | Suction muffler The invention concerns a suction muffler for a hermetically enclosed compressor with a housing that has at least a first and a second chamber, separated from each other by means of a division wall and connected with each other by means of a throttling channel, which... | 07/20/2004 |
| 6715582 | Suction muffler The invention relates to a suction muffler for a hermetically enclosed compressor, with a housing having a first part with an outlet channel and a second part with an inlet channel, flow conducting means being arranged between the outlet channel and the inlet channe... | 04/06/2004 |
| 6702067 | Piston compressor, particularly hermetically enclosed refrigerant compressor The invention relates to a piston compressor, particularly a hermetically enclosed refrigerant compressor, with a crankshaft, which is axially supported in an axial bearing in relation to a bearing housing, and with an oil pump arrangement. In a piston co... | 03/09/2004 |
| 6688432 | Piston compressor The invention concerns a piston compressor, particularly a hermetically enclosed piston compressor, with a housing, in which a motor is arranged, the motor having a crankshaft with a vertically standing crank pin that has in its upper front side an openin... | 02/10/2004 |
| 6623258 | Axial piston refrigerant compressor with piston front face projection The invention relates to a refrigerant compressor comprising at least one piston-cylinder unit and one valve plate that has at least one outlet opening. The piston has a projection which projects into the outlet opening when the piston is located near the... | 09/23/2003 |
| 6562767 | Process for producing a lubricant coated laquered wire used for forming the stator winding of an electrical refrigerating compressor A lubricant for wire, which is insulated by means of a lacquer coating, and which is used for forming the stator windings of an electrical refrigerating compressor, consists of one or more compounds of the formula CH3 --Xn --R, where... | 05/13/2003 |
