Bizarre Patents
An armor with rollers is provided that enables a user to move in all positions by rolling on a hard and smooth surface while constantly varying his bearing points on the ground.
PatentStorm News
Make the Most of Our Site
See this month's Top Inventors and Most Cited Patents.
Stay on top of the latest innovations by subscribing to an RSS feed.
Registered users: Manage your profile.
| Number | Title | Issue Date |
| 8151584 | Refrigeration system When during a first action of a refrigeration system the internal cold storage temperature is held at a desired temperature by an evaporator, the refrigeration system performs a second action of increasing the cooling capacity of the evaporator to decrease the inter... | 04/10/2012 |
| 8069685 | Capacity modulation compressor and air conditioning system having the same Provided is an air conditioning system comprised of a plurality of indoor units connected to each other in parallel, each having an expansion valve, and an outdoor unit including a plurality of compressors, in which at least one of the compressors provided to the ou... | 12/06/2011 |
| 8042348 | Cooling system, control device, and control program A cooling system is provided in which an integrated controller 10 controls the compressor for compressing a refrigerant and at least one constituent device which is a separate device from the compressor and that constitutes a refrigerant circulation circuit t... | 10/25/2011 |
| 8037702 | Multistage compressor To provide a multistage compressor including an injection circuit, which can continue high-efficiency and high-capacity operations even if the injection circuit is turned on/off in accordance with operating conditions. A multistage compressor includes a high stage s... | 10/18/2011 |
| 8011197 | Apparatus to sense and control compressor operation in an HVAC system An HVAC system and method for configuring a controller to control a compressor including a detection system provided to determine a type of compressor. The detection system includes a processor; and a load sensing circuit connected between the processor and a contro... | 09/06/2011 |
| 7997097 | Air conditioner An air conditioner according to an embodiment of the invention includes a refrigerator cycle unit having a variable speed compressor, an outdoor heat exchanger, a decompression device, an indoor heat exchanger, and an accumulator sequentially connected to one anothe... | 08/16/2011 |
| 7975496 | Vehicle air conditioning system A vehicle air conditioning system includes a compressor, a condenser, an evaporator, a humidity sensor and a controller. The compressor is configured to compress refrigerant and the condenser is fluidly coupled to the compressor to receive the refrigerant from the c... | 07/12/2011 |
| 7971444 | Method and device for controlling the inside temperature of a refrigeration compartment, in particular of a refrigerator or freezer In an electric refrigeration appliance having at least one refrigeration compartment, a refrigerating arrangement having an evaporator, and a control device that controls the refrigeration compartment temperature and that has a temperature sensor; the temperature se... | 07/05/2011 |
| 7918099 | Medium voltage starter for a chiller unit A single medium voltage starter box is mounted on a chiller unit with the other components of the chiller system. The starter box can be positioned on the chiller system unit to permit the starter box to be close coupled to the motor, and specifically to the main mo... | 04/05/2011 |
| 7886552 | Compressor cycle control method for a vehicle air conditioning system A control methodology for dynamically adjusting the switching limits of a cycled refrigerant compressor in an air conditioning system with the objective of achieving an optimal or specified tradeoff between compressor cycling frequency and discharge air temperature ... | 02/15/2011 |
| 7878013 | Trailer refrigeration system A trailer refrigeration system comprising: an electricity generator (22); an electricity-generator engine (21) for driving the electricity generator (22); a converter (23) for converting ac electric power generated by the electricity gene... | 02/01/2011 |
| 7870752 | Heat extraction machine and a method of operating a heat extraction machine The invention relates to a refrigeration machine, particularly a heat pump, comprising a closed circuit, which contains a coolant and in which an evaporator, a compressor, a condenser and an, in particular, electrically operated expansion valve are arranged one afte... | 01/18/2011 |
| 7861547 | HVAC system control for improved vehicle fuel economy A method of operating a HVAC system in a vehicle having an engine that operates in a high efficiency mode and a less efficient mode is disclosed. The method may comprise the steps of: operating a refrigerant compressor to cool a passenger compartment and charge a co... | 01/04/2011 |
| 7841197 | Torque calculation apparatus and torque calculation method of variable capacitance compressor A variable capacitance compressor is provided in a refrigeration cycle of a vehicular air conditioning system. The variable capacitance compressor controls discharge capacity of refrigerant by an external control pulse signal, and can substantially estimate compress... | 11/30/2010 |
| 7836715 | Air conditioner control logic for compressor noise and torque management An air conditioner has a controller that controls the operation of a refrigerant circuit that has a compressor, a condenser, an expansion valve or orifice tube, and an evaporator. The condenser receives a compressed refrigerant from the compressor and condenses the ... | 11/23/2010 |
| 7814758 | Refrigeration system controller and method A system and method of controlling components of a refrigeration system includes determining a desired rate of change of a refrigeration system operating parameter, using historical data to predict an expected rate of change of the operating parameter for cycling ea... | 10/19/2010 |
| 7757505 | Predictive capacity systems and methods for commercial refrigeration A system and method in a commercial refrigeration system for compensating for events. A commercial refrigeration system includes a controller that predicts a first change in cooling capacity required based on at least one anticipated system event. The controller als... | 07/20/2010 |
| 7735329 | Device and method for controlling the air-conditioning system of a vehicle A control device for an air-conditioning system of a vehicle comprises an evaporator, a compressor with externally controlled variable displacement, and an expansion valve. The control device comprises a control block that receives a reference temperature indicating... | 06/15/2010 |
| 7721563 | Apparatus for and method of calculating torque of variable capacity compressor An apparatus for calculating torque of a variable capacity compressor, including: a sensor configured to detect internal and external states of an air conditioner; an OFF-torque calculator configured to calculate and store a steady-state torque according to a state ... | 05/25/2010 |
| 7721564 | Wild frequency avionic refrigeration system and controller therefor A wild frequency avionic refrigeration system and a controller therefore are provided. One embodiment of the refrigeration system includes: a refrigeration LRU including a vapor cycle system with a brushless DC compressor motor, a brushless DC condenser motor, a bru... | 05/25/2010 |
| 7650760 | Motor controlling device, compressor, air conditioner and refrigerator A motor controller (101) according to the invention comprises an inverter circuit (3) for driving a brushless motor (4) and a control unit for controlling the rotational speed of the brushless motor (4) by controlling the phase of the mot... | 01/26/2010 |
| 7628027 | Refrigeration system with mechanical subcooling A refrigeration system includes a primary compressor that receives refrigerant from an evaporator and delivers refrigerant to a condenser, a subcooling compressor that delivers refrigerant to the condenser, and a subcooler that receives refrigerant from the condense... | 12/08/2009 |
| 7624587 | Multi-stage operation type air conditioner A multi-stage operation type air conditioner which can be operated in various cooling or heating capacities. The multi-stage operation type air conditioner includes a first discharge port, a first opening/closing device for opening or closing the first discharge por... | 12/01/2009 |
| 7600390 | Method and apparatus for control of carbon dioxide gas cooler pressure by use of a two-stage compressor A transcritical vapor compression system includes a fluid circuit circulating a refrigerant in a closed loop. The fluid circuit has operably disposed therein, in serial order, a first compressor, an intercooler, a second compressor with a variable capacity, a first ... | 10/13/2009 |
| 7591142 | Air conditioner for vehicle An air conditioner for a vehicle includes a refrigeration cycle having a variable capacity compressor, a condenser, an expansion valve, and an evaporator; a duct in which the evaporator is arranged; an air switching unit arranged on an upstream side of the duct and ... | 09/22/2009 |
| 7584625 | Compressor capacity modulation system and method A compressor system includes a compressor having an inlet, a first conduit fluidly coupled to the inlet, an accumulator fluidly coupled to the inlet by a second conduit, and a first valve disposed in the second conduit that prevents fluid communication between the a... | 09/08/2009 |
| 7574873 | Inverter device and air conditioner using inverter device A current sensor for detecting a power supply current is commonly used for detecting a current of a stator winding to detect a rotational position of a magnet rotor, so that a sinusoidal driving is realized without adding two current sensors for detection of a phase... | 08/18/2009 |
| 7562536 | Method and apparatus to sense and control compressor operation in an HVAC system An HVAC system and method for configuring a controller to control a compressor including a detection system provided to determine a type of compressor. The detection system includes a processor; and a load sensing circuit connected between the processor and a contro... | 07/21/2009 |
| 7481068 | Method for the storage of deep-frozen goods The invention relates to a method for the storage of deep-frozen goods in a freezer having a speed-controlled compressor. In accordance with the invention, the compressor is operated in long-term operation and the temperature is lowered in a low-temperature mode to ... | 01/27/2009 |
| 7458226 | Air conditioning system, vehicular air conditioning system and control method of vehicular air conditioning system An air conditioning system comprises a compressor 2 which compresses a refrigerant made of carbon dioxide, a radiator 4 which radiates heat of the refrigerant compressed by the compressor 2, an expansion valve 5 which decompresses the ref... | 12/02/2008 |
| 7451609 | Method of controlling compressor and controller A compressor is operable to compress refrigerant at a variable operation frequency. According to a method of controlling the compressor, the compressor starts operating, and just after that, the compressor operates at a first frequency for a first period of time. Ju... | 11/18/2008 |
| 7434744 | Low voltage power line communication for climate control system A system for controlling one or more components of a climate control system is provided that includes one or more controllers in connection with low voltage power lines for powering the one or more controllers. The controllers are further capable of transmitting one... | 10/14/2008 |
| RE40499 | Pulsed flow for capacity control Step control in capacity modulation of a refrigeration or air conditioning circuit is achieved by rapidly cycling a solenoid valve in the suction line, economizer circuit or in a bypass with the percent of “open” time for the valve regulating the rate of flow th... | 09/16/2008 |
| 7421850 | Refrigeration system and method of operating the same A refrigeration system including an evaporator, a suction header in fluid communication with the evaporator, a compressor in fluid communication with the suction header, and a condenser in fluid communication with the compressor and the evaporator. The refrigeration... | 09/09/2008 |
| 7412835 | Apparatus and method for controlling a cryocooler by adjusting cooler gas flow oscillating frequency Systems and methods are provided for a variable cooling capacity cryocooler for a superconducting magnetic resonance imaging device having a liquid cryogen pressure vessel to provide cryogenic temperatures to a magnet assembly, a vacuum vessel surrounding the pressu... | 08/19/2008 |
| 7409984 | Air-conditioner for vehicle use When a switching signal to switch the mode to the defroster mode is generated and the target air volume is smaller than a predetermined air volume α, the target air volume is automatically increased to the predetermined air volume α. In doing so, an increase start... | 08/12/2008 |
| 7409833 | Dual mode compressor with automatic compression ratio adjustment for adapting to multiple operating conditions An apparatus and method for compressing gas refrigerant using two different compressors operated alternatively in a series or parallel mode for obtaining two different compression ratios and thereby provide efficient operation for both a relatively lower suction pre... | 08/12/2008 |
| 7407473 | Centrifuge sleep mode control A method and apparatus is disclosed for setting energy saver sleep modes for use in a centrifuge systems. The centrifuge system contains an energy saver touch screen control which can be either manually set or automatically set to turn the centrifuge on or off at pr... | 08/05/2008 |
| 7404299 | Apparatus, method and software for use with an air conditioning cycle A turbine for generating power has a rotor chamber, a rotor rotatable about a central axis within the rotor chamber, and at least one nozzle for supplying a fluid from a fluid supply to the rotor to thereby drive the rotor and generate power. The flow of the fluid f... | 07/29/2008 |
| 7404435 | Air conditioner for vehicle use An air conditioner for automotive vehicle use intended to prevent a defrosting operation in an instantaneous foot-defroster mode. The DEF mode in which air mainly from a DEF opening is blown toward the windshield is set by an exclusive front DEF switch. The F/D mode... | 07/29/2008 |
