Papers by henrikh rojanskiy
According to the present invention there is provided a compact heat pump using water as refrigera... more According to the present invention there is provided a compact heat pump using water as refrigerant, comprising an evaporator located at a first end section of the heat pump casing, adapted to allow evaporation of water therefrom, One or more compressors located at a second end section of the heat pump casing adapted to induce said evaporation by maintaining vacuum, provided with an intake conduit extending from the evaporator to the compressor leading vapor thereto. A condenser is located in the intermediate section of the casing wherein the intake conduit passes therethrough, adapted for condensing the vapor. The heat pump also comprises vacuum means allowing creating and maintaining vacuum in the casing. There is also provided a snow dome allowing skiing and snow related activities in above zero conditions using the heat pump for creation of snow or ice slurry.
A valve (10) spring three way, two position comprising a housing (12) with a first port (20), a s... more A valve (10) spring three way, two position comprising a housing (12) with a first port (20), a second port (16), a third port work (18) and a camera (14) generally cylindrical valve with a shaft, which chamber (14) valve is defined between a first seat coaxial annular (26) valve associated with said first port (20), and a second annular seat coaxial (28) valve associated with said second port (16), said port work (18) laterally connected to said chamber (14) valve, which valve (10) spring being further comprising a body (36) spring disposed in said chamber (14) valve and intended for performing a reciprocating movement between two positions, such that in a first position, the body (36) spring seals said first seat (26) valve and a communication is provided fluidly between said second port (16) and said port work (18), and in a second position, the body (38) spring seals said second seat (28) valve and a communication is provided for fluid flow between said first port (20 ) and said...
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Papers by henrikh rojanskiy