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A self defense weapon formed as a memo pad and which is easily held by a person's fingers, therefore making it possible to provide protection from a mugger and also to quickly and easily write a record or a message without failure of missing or forgetting significant information under a stressful situation.
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| Number | Title | Issue Date |
| 8166774 | Heat exchanger with an expansion stage In a heat exchanger unit for conditioning a first fluid, particularly a refrigerant in an air conditioning system, including a heat exchanger, the heat exchanger includes first and second tube element units for heat exchange between a first fluid flowing through the... | 05/01/2012 |
| 8156756 | Fluid machine A fluid machine includes a casing, a compression mechanism for compressing refrigerant, an expansion mechanism for expanding refrigerant, and a rotary shaft connecting the compression mechanism and the expansion mechanism. The compression mechanism, the expansion me... | 04/17/2012 |
| 8141380 | Air refrigerant type cooling apparatus and air refrigerant cooling/heating system using refrigerant type cooling apparatus The purpose present invention is to provide an air refrigerant type cooling apparatus provided with an internal air cooling mechanism with high reliability and efficiency. Another object of the present invention is to provide an air refrigerant cooling/heating syste... | 03/27/2012 |
| 8141381 | Vapor compression refrigerating cycle, control method thereof, and refrigerating apparatus to which the cycle and the control method are applied The vapor compression refrigerating apparatus of the invention comprises a compressor 2, a condenser 4, a regeneration heat exchanger 6, an expansion means 8, and an evaporator 10 connected in series. The vapor compression refriger... | 03/27/2012 |
| 8042354 | Air conditioning apparatus An air conditioning apparatus that includes a turbine and a compressor with rotors mounted on and fixed to a common rotatable shaft with a heat exchanger located between the turbine and the compressor. The air conditioning apparatus turbine has an inlet that is conn... | 10/25/2011 |
| 8020404 | System and method for liquid air production, power storage and power release System and method for storing and releasing energy comprising directing air into a vertical cold flue assembly. The assembly has an air inlet at or near the top and an air exit at or near the bottom. The air is cooled and a portion of moisture is removed from the ai... | 09/20/2011 |
| 7987683 | Expendable turbine driven compression cycle cooling system A cooling system with a compression cooling cycle for a working fluid that passes an expendable fluid through a warm side heat exchanger for the cooling system to cause the expendable fluid to vaporise and thus absorb heat from the working fluid by way of latent hea... | 08/02/2011 |
| 7845188 | System for the preparation of compressed air A method and a system for the preparation of compressed air having a heat exchanger (system heat exchanger) which is in communication with a pressure source on the inlet side on the compressed air side and which is in communication with a system or unit on the outle... | 12/07/2010 |
| 7762099 | Refrigeration apparatus A first and a second expansion and compression machine (30, 40) having different volume ratios (Vc/Ve) are connected in parallel to a refrigerant circuit (10) of a refrigeration apparatus. Expanders (31, 41) of the expansion and compression mach... | 07/27/2010 |
| 7624592 | Flexible power and thermal architectures using a common machine A power and cooling management system configured to flexibly couple various adaptive modules to an integrated power and cooling unit to suit any aircraft platform is provided. The integrated power and cooling unit has a compressor(s), power turbine(s), cooling turbi... | 12/01/2009 |
| 7607318 | Integrated environmental control and auxiliary power system for an aircraft An integrated environmental control system for an aircraft compartment and aircraft power system comprises first and second air compressors, an auxiliary power unit, and first and second environmental control systems. The first and second compressors receive and com... | 10/27/2009 |
| 7578142 | Method for recovering the energy of gas expansion and a recovery device for carrying out said method The proposed method and the installation are intended for application in systems of reduction of natural gas from high—e.g. in a borehole or in a main pipeline down to the pressure value required for the consumer. The essence of the proposed method is that ... | 08/25/2009 |
| 7467524 | Air-conditioning system and a method for the preparation of air for the air-conditioning of a space The present invention relates to an air-conditioning system, in particular an air-conditioning system for the air-conditioning of a passenger cabin of an airplane, having at least one heat exchanger arranged in a stagnation air passage for the cooling of compressed ... | 12/23/2008 |
| 7353657 | Control of liquid droplet stream with flow nebulizer A controlled stream of droplets, including liquid droplets contained within an atomized or nebulized stream, are directed toward or onto a target. The target may be a measuring instrument, a gas or mixture of gases, or a solid, liquid, or slush surface. A particular... | 04/08/2008 |
| 7350500 | Inverted cardioid engine An internal combustion engine comprising a support structure, including a tube and a hollow stator core, supported by and rigidly affixed to the tube. Additionally, a rotor assembly is eccentrically and rotatably mounted about the stator core and having a pair of pa... | 04/01/2008 |
| 7334428 | Cooling system for a rotary screw compressor A compressor system has a compression stage, a coolant circuit and a refrigerant circuit. The compression stage compresses ambient air and generates compressed air and heat. A coolant removes heat from the compression stage and the heat is transferred from the coola... | 02/26/2008 |
| 7334423 | Dual mode condensing cycle An air conditioning system is provided that includes first and second turbines and a compressor. The second turbine is in fluid communication with a pack outlet. A passage fluidly connects the first turbine and the pack outlet. A valve is associated with the passage... | 02/26/2008 |
| 7334422 | Cabin air conditioning system with liquid cooling for power electronics An air conditioning system is provided with a cooling air ram that includes both air-to-air heat exchangers, and a liquid sink heat exchanger. The liquid sink heat exchanger receives a cooling fluid that has been utilized to cool a power electronics control for an e... | 02/26/2008 |
| 7322202 | Electric motor driven supercharger with air cycle air conditioning system An inventive air conditioning system includes an air conditioning pack for receiving pressurized air and converting the pressurized air into conditioned air for an aircraft. Pressurized air is provided by a compressed air supply system that is fluidly connected to t... | 01/29/2008 |
| 7322203 | Device for supplying preconditioned air to an aircraft on the ground A device (10) for supplying preconditioned air to an aircraft on the ground, comprises a compressed air inlet (16) and a compressed air hose (34) having a first end connected to the compressed air inlet (16) and an opposite second end for... | 01/29/2008 |
| 7322207 | Air refrigerant cooling apparatus and air refrigeration system using the air refigerant cooling apparatus An air refrigerant cooling apparatus has magnetic bearings with high reliability and high efficiency. The air refrigerant cooling apparatus includes a motor having a first magnetic bearing and a second magnetic bearing for supporting a shaft, a compressor and an exp... | 01/29/2008 |
| 7305842 | Environmental control system and method for an aircraft An environmental control system for an aircraft having an air pump that is powered by bleed air from an engine of the aircraft. Although the air pump is powered by engine bleed air, the air pump draws ambient fresh air from outside the aircraft, compresses the fresh... | 12/11/2007 |
| 7287379 | Turbo compressor system for internal combustion engine comprising two serially placed turbo units with their rotation axes essentially concentric A turbocharger system for an internal combustion engine having at least one exhaust line for evacuating exhaust gases from the combustion chamber of the engine and at least one inlet line for supplying air to the combustion chamber. A high-pressure turbine interacts... | 10/30/2007 |
| 7284380 | Method for heat energy transmission The invention relates to a method for heat energy transmission between a gaseous, warmer medium on one hand and a liquid, colder medium on the other hand. In order to provide an improved method for heat energy transmission, the invention suggests a method in which t... | 10/23/2007 |
| 7281513 | Inverted Wankel An internal combustion engine comprising a support structure, including a tube and a hollow stator core, supported by and rigidly affixed to the tube. Additionally, a rotor assembly is eccentrically and rotatably mounted about the stator core and having a pair of pa... | 10/16/2007 |
| 7269955 | Methods and apparatus for maintaining rotor assembly tip clearances A method of operating a gas turbine engine is provided. The gas turbine engine includes at least one engine casing and at least one rotor assembly. The method includes directing airflow through a supply pipe and into a heat exchanger, lowering the temperature of the... | 09/18/2007 |
| 7267523 | Composite shaft A turbine shaft may be used to remove a heat load from pliant bearings without requiring the use of a process fluid for cooling the turbine shaft. The turbine shaft comprises a heat conductive sleeve disposed between an outer surface of a tie rod shaft and an inner ... | 09/11/2007 |
| 7260952 | Fluid machine A fluid machine has a compressor device for compressing refrigerant of a refrigerating cycle for an automotive vehicle, an electric rotating device operating as an electric motor for generating a rotational driving force to drive the compressor device or operating a... | 08/28/2007 |
| 7222499 | Closed loop air conditioning system A closed loop air conditioning system for an aircraft includes a compressor stage including at least one power driven compressor, for compressing working fluid, a first expansion turbine over which compressed working fluid is expanded and cooled, a first heat load h... | 05/29/2007 |
| 7210653 | Electric-based secondary power system architectures for aircraft Methods and systems for providing secondary power to aircraft systems. In one embodiment, an aircraft system architecture for providing power to an environmental control system includes an electric generator operably coupled to a jet engine. The jet engine can be co... | 05/01/2007 |
| 7188488 | Pack and a half condensing cycle pack with combined heat exchangers The present invention provides an air generation unit (AGU) including a pressurized air source, such as an engine providing pressurized air. First and second air cycle machine (ACM) are fluidly connected to the pressurized air source for receiving the air. A heat ex... | 03/13/2007 |
| 7175385 | Mounting of the rotor of a gas turbine The rotor (5) of a gas turbine containing a compressor part (1) and a turbine part (3) is mounted in an axial thrust bearing (19) and in two radial journal bearings (16, 17). One of the bearings is a journal bearing (16) arr... | 02/13/2007 |
| 7171819 | Indirect regenerative air cycle for integrated power and cooling machines An integrated power and cooling machine having an indirect regenerative air cooling feature may be useful for providing power and environmental control to both ground vehicles, such as tanks, and aircraft, such as helicopters and airplanes. The integrated power and ... | 02/06/2007 |
| 7155912 | Method and apparatus for storing and using energy to reduce the end-user cost of energy The invention relates to an energy storing method and apparatus for use by end-users of energy, such as commercial property owners and operators. The system differs from past systems, insofar as it is not intended to be used by and in connection with energy supplier... | 01/02/2007 |
| 7153105 | Compressor with swash plate housing inlet port A compressor is disclosed generally comprising a cylinder block at least partially enclosing a compression chamber, a swash plate housing mounted adjacent the cylinder block, the swash plate housing at least partially enclosing a swash plate chamber, an inlet port i... | 12/26/2006 |
| 7144523 | Azeotropic compositions of cyclopentane This invention relates to compositions of cyclopentane, and a compound selected from the group consisting of hydrofluorocarbons, hydrofluoroethers, or fluorinated sulfur compounds. Specifically these compounds may be selected from the group consisting of tetrafluoro... | 12/05/2006 |
| 7143589 | Sorption cooling systems, their use in automotive cooling applications and methods relating to the same A sorption cooling system for providing cooled air to the cabin of a vehicle. The sorption cooling system includes an evaporator, a condenser adapted to fluidly communication with the evaporator, and a plurality of adsorbent beds adapted for fluid communication with... | 12/05/2006 |
| 7140846 | Vacuum pump having main and sub pumps A vacuum pump having a rotary shaft that is rotated by a drive source has a main pump and a sub pump. The main pump includes a pump chamber and a gas transferring body that is located in the pump chamber. The main pump is driven by the drive source through the rotar... | 11/28/2006 |
| 7140197 | Means and apparatus for microrefrigeration An integrated, self-contained microrefrigeration apparatus, in a dimension small enough to fit inside small appliances, such as electronic cases and portable equipment is described. The microrefrigerator employs a working fluid that circulates between evaporator, co... | 11/28/2006 |
| 7121100 | High efficiency aircraft cabin air supply cooling system A thermal management system for an aircraft is provided. The aircraft includes a primary air conditioning system which compresses and cools outside air to create inside air. The inside air pressurizes the internal volume of the aircraft and ventilates a first object... | 10/17/2006 |
