Bizarre Patents
Combination Beverage Container and Spittoon
A combination beverage container and spittoon includes a bottom portion including outer wall and a first inner wall defining a spittoon space.
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| Number | Title | Issue Date |
| 8159167 | Electronically commutated motor An electronically commutated motor (20) has a rotor (28) and a rotor position sensor (30), which sensor, during operation, furnishes a rotational position signal (34). A stator interacts with the rotor (28). The stator has a stator... | 04/17/2012 |
| 8142139 | Fan unit having an axial fan with improved noise damping Due to variations arising during manufacturing, axial fans often are slightly imbalanced, resulting in noise during operation, which is undesirable in many contexts, for example when the fan is used for ventilation purposes in a motor vehicle. A fan with improved vi... | 03/27/2012 |
| 8105011 | Fan comprising a fan wheel A fan for cooling a circuit board (26) has a fan wheel (10; 10′) that is adapted for rotation about a rotation axis (11) and in a predetermined rotation direction (14), and an outer wall (18) that is rigidly joined to an inner wa... | 01/31/2012 |
| 8058825 | Method for sensorless operation of an electronically commutated motor and motor for carrying out such a method An electronically commutated motor (ECM) often employs a Hall sensor for reliable operation. Even when a Hall sensor is omitted from a motor having a plurality of stator winding phases (24, 26) and a permanent-magnet rotor (22), one can reliably detect... | 11/15/2011 |
| 8057161 | Fan with integrated nonreturn flaps A fan structure, suitable for rack-mounting adjacent to heat-generating electrical equipment, features an improved noise-damping outflow baffle containing a plurality of non-return flaps, serving to prevent reverse flow of air when fan activity is interrupted. In a ... | 11/15/2011 |
| 8054020 | Electric motor An electric motor has a DC link circuit (30, 32), a permanent-magnet rotor (104), and a control circuit having a full bridge (114). A program-controlled calculation arrangement (80) is configured to supply the semiconductor switches of a ... | 11/08/2011 |
| 8035263 | Electric motor An electric motor has a rotor (52) rotatable around a rotation axis (56) and has a stator (60) arranged around said rotor (52), which stator is equipped with poles (11′ to 16′). Each pole has an individual winding (11... | 10/11/2011 |
| D639924 | Axial fan | 06/14/2011 |
| 7936145 | Electronically commutated asynchronous motor An electronically commutated asynchronous motor (12) features a stator (202), a short-circuit rotor (204), a controller (FOR 20) for field-oriented regulation of the motor (12), a sensor magnet (274) in thermally conductive ... | 05/03/2011 |
| 7893579 | Brushless electric motor An electric motor has a stator (224) having a bearing tube (238) made of a magnetically transparent material; it also has a rotor (222) having a rotor shaft (234) that is at least partially journaled in the bearing tube (238), and ... | 02/22/2011 |
| 7880427 | Method for operation of a two-stranded electronically commutated motor, and motor for carrying out said method A two-stranded electronically commutated DC motor has a permanent-magnet rotor (36), power supply terminals (28, 30) for connecting the motor to a current source (22) and a stator (102) having a winding arrangement which includes first an... | 02/01/2011 |
| 7880421 | Energy-conserving ventilating fan An electrically driven fan arrangement, suitable for energy-conserving installations, includes a fan, an electric motor (110) serving to drive the fan, and associated control apparatus, namely: a sensing apparatus (140) for sensing a volumetric air flo... | 02/01/2011 |
| 7872434 | Electric motor An electronically commutated electric motor (110) has a permanent-magnet rotor (28), a stator having a stator winding arrangement (40), a motor control module (20) implemented as an IC and having a control logic unit (27), and an e... | 01/18/2011 |
| D631150 | Fan housing | 01/18/2011 |
| 7859145 | Electronically commutated motor For many applications, it is desirable to use fans which weigh less than 30 grams and are driven by electric motors not more than a few centimeters in size. Mass-producing products this small, which nevertheless must be extremely reliable, poses unique manufacturing... | 12/28/2010 |
| 7841541 | Fan having a sensor A fan has a sensor (86; 186) for sensing at least one value of the air that flows through the fan (20; 120). The fan has a fan housing (22, 24; 122, 124); an electronically commutated external-rotor motor, arranged in that housing, having an int... | 11/30/2010 |
| 7812488 | Electronically commutated external rotor motor with a circuit board An electronically commutated motor (ECM 21) has reduced vulnerability to Electro-Static Discharge (ESD). The motor has an internal stator (50) and an external rotor (22) equipped with a permanent magnet (28), which rotor is separated by a... | 10/12/2010 |
| 7780422 | Assembly for transporting fluids An arrangement for pumping fluids has an electronically commutated external-rotor motor. The latter has a stator arranged on a stator carrier and a rotor joined to a first permanent magnet, which rotor is rotatably journaled, in a bearing tube, with respect to the s... | 08/24/2010 |
| D621027 | Fan housing | 08/03/2010 |
| 7759884 | Method and arrangement for commutating an electronically commutated motor An electronically commutated motor has a permanent-magnet rotor (124) having: at least two rotor poles (183, 186, 188, 189); at least one phase (126); a power stage (122); and a rotor position sensor (140). Associated therewith is ... | 07/20/2010 |
| 7688011 | Control circuit for an electronically commutated motor A control circuit for an electronically commutated motor (120), having a power stage (122) that comprises at least two semiconductor switches (216, 218) to influence the motor current. The semiconductor switches are controllable by way of commut... | 03/30/2010 |
| 7656066 | Electronically commutated motor with bearing chamber defined by opposing abutment surfaces An easy-to-assemble electric motor (21) features an internal stator (50), an external rotor (22) having a shaft (34), which external rotor is configured as a rotor cup or bell (24) having an outer side and an inner side (25)... | 02/02/2010 |
| D603951 | Fan with an outflow baffle | 11/10/2009 |
| 7589489 | Method and arrangement for controlling the electricity supply of an electronically commutated motor A control circuit (150) for controlling the current supplied to a winding strand (102) in an electric motor (143). The control circuit comprises at least one semiconductor switch (106) and a control unit (108) for controlling the s... | 09/15/2009 |
| 7586276 | Electronically commutated motor and method for controlling the same The invention relates to an electronically commutated motor (10) and to a method of controlling an electronically commutated motor (10). In order to reduce commutation noise, it is proposed to influence the working range of the power-stage transistors ... | 09/08/2009 |
| 7582997 | Arrangement for conveying fluids An arrangement for conveying fluids has a fluid pump (174) having a rotatably journaled pump wheel (172) that is joined to a first permanent magnet (186) and an electronically commutated internal-rotor motor (152) having a stator (154 | 09/01/2009 |
| 7572100 | Equipment fan An equipment fan has a housing (100) which is configured as a plug-in module for an equipment rack. The housing has a front side (102) and a back side (104), the latter being slid into the equipment rack (320) first upon installation. For... | 08/11/2009 |
| 7554279 | Method for operating an electronically commutated motor, and motor for carrying out a method such as this An electronically commutated motor (ECM 20) has terminals (56, 62) for connection to a DC power source (63). It has a permanent-magnet rotor (22), also a first and a second series circuit (40, 50) in each of which a stator winding ... | 06/30/2009 |
| 7509999 | Arrangement and method for removing heat from a component which is to be cooled An arrangement, for heat dissipation from a component that is to be cooled, features: a pump for pumping a coolant, which pump comprises a pump rotor; a fan that comprises a fan rotor associated with which is an electric motor to drive it, the pump rotor and the fan... | 03/31/2009 |
| 7500857 | Arrangement with a contact element A circuit board (20) is equipped with at least one conductor path (22) and a contact element (44). The latter is adapted to mechanically engage and electrically contact an electrical conductor (66). In the region of a conductor path (2... | 03/10/2009 |
| 7444070 | Fan motor with digital controller for applying substantially constant driving current An improved fan arrangement features a radial or diagonal fan (370) with which a direct current motor (32) is associated as its drive motor, further comprising a digital control element (23, 24) which executes a program, for controlling the curr... | 10/28/2008 |
| 7438522 | Fan A fan has an air conveying conduit (16) and a fan wheel (22) arranged therein, which wheel is rotatable about a central axis (25) and is formed with a central hub (20; 120) having an outer periphery (27) on which fan blades (26 | 10/21/2008 |
| D577669 | Conveyor belt motor | 09/30/2008 |
| D577429 | Cooling device | 09/23/2008 |
| 7390172 | Assembly used for cooling a circuit board or similar A carrier frame (104), for installation on a circuit board (2), is implemented in the manner of an oil-drilling rig and comprises a platform (117) that is equipped with supporting legs (105, 106, 107, 108) for mounting on the circuit boar... | 06/24/2008 |
| 7355146 | Heating unit A heating unit for a vehicle features a radial fan (100) having a housing (110), which housing has an air inlet (116) and an air exit opening (118). The heating unit has an air-directing device (140) that guides an air flow in a pr... | 04/08/2008 |
| 7352094 | Equipment fan An improved fan useful for ventilating applications in motor vehicles features a modular structure, which facilitates quick replacement of any components likely to fail. A first module (110) is intended for permanent installation on the part that is to be coo... | 04/01/2008 |
| D562781 | Fan with ribbed housing sidewalls | 02/26/2008 |
| 7319300 | Method of operating an electronically commutated motor, and method for carrying out such a method In this method, the value of a temperature-dependent motor parameter (ke) of an electronically commutated motor (124) is determined during motor operation without a temperature sensor. The motor has a stator (201) having stator phases (20... | 01/15/2008 |
| D556702 | Cooling unit | 12/04/2007 |
