4results about "Self-contained rotary compression machines" patented technology

A system for providing mechanical and / or electric power from heat power. A heat medium is arranged in a flow circuit comprising: a condensation channel, a pump channel, an evaporation channel and a turbine channel, substantially in a Rankine cycle. Heating power is provided for evaporation of the heat medium and cooling power is provided for condensation of the heat medium. The pump channel is arranged in the liquid phase portion and a turbine device is arranged in the gas phase portion. The pump channel generates a pressure due to the rotation. The turbine channel comprises a turbine device. The flow circuit is closed so that no heat medium may escape to the surroundings.

This invention relates to a refrigeration system designed as Rotary Supercharger Ejector Refrigeration System to improve the coefficient of performance and to reduce mechanical complexity. The design ensures that the working fluid performs expansion work as it passes through the generator. On the other hand, it eliminates the need for subcooling the liquid entering the pump. The design allows conversion of the high-speed kinetic energy from the ejector's outlet stream into recoverable potential energy. Consequently, the cycle closely approaches the ideal cycle. The rotation of coils increases convective heat transfer between coils and the atmosphere and eliminates the need for a blower as well as a complex mechanical pump. In addition to coil-air heat exchange, the system can be thermally coupled with hot rotating bodies to absorb waste heat and generate effective cooling.

A pressure cooker utilizes a vapor compression cooling system that is physically separate from the heating element that heats the bottom of a crock and includes a cooling coil that circumscribes the side wall(s) of the crock to cool the crock through the circulation of a fluid through the cooling coil. Such a vapor compression cooling system may be used to provide various functions in a pressure cooker, including, for example, refrigerating food during a delay portion of a delay pressure cooking operation, accelerating depressurization during a depressurization portion of a pressure cooking operation, and performing a cooler operation to chill liquids, beverages, and the like.

An air source heat pump is provided having a housing of plastic material and located within the housing an air heat exchanger ("evaporator"), a compressor and a motor driven fan for moving ambient air over the heat exchanger, wherein the plastic housing is structural and includes a base portion and an upper portion which together support and house the evaporator, compressor and motor driven fan without reliance on an internal metal chassis. An air source heat pump is also provided having a housing of plastic material and located within the housing an evaporator, a compressor and a motor driven fan for moving ambient air over the heat exchanger, wherein: the housing is structural and includes a base portion to which the compressor is secured and an upper portion which carries the fan and its drive motor, the evaporator is supported in a recess or well in the base portion and is positioned between the upper and base portions; the base portion and upper portion together define a first chamber for housing the evaporator and fan, the first chamber including an airflow conduit for directing airflow from the evaporator to the fan, the airflow conduit being at least partially defined by the upper portion.