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    • 4. 发明申请
    • Reciprocating four-stroke Brayton refrigerator or heat engine
    • 往复式四冲程Brayton冰箱或热机
    • US20060213207A1
    • 2006-09-28
    • US11089664
    • 2005-03-25
    • Robert Redlich
    • Robert Redlich
    • F25B9/00F25B41/00
    • F25B9/14F25B2309/006
    • A thermal machine that can function as either a refrigerator or an external combustion heat engine is disclosed. A working gas undergoes four thermodynamic processes that comprise a Brayton cycle. Two of these processes, adiabatic compression and adiabatic expansion, take place in the same cylinder, within which a piston, driven by a crankshaft, reciprocates. The remaining two processes, each of which is a transfer of heat at constant pressure, take place in a high pressure heat exchanger and a low pressure heat exchanger. A rotary valve, rotating at one-half crankshaft speed, creates passages between the cylinder and the heat exchangers, and is constructed so that compression and expansion ratios are equal.
    • 公开了一种能够用作冰箱或外部燃烧热机的热机器。 工作气体经历四个包含布雷顿循环的热力学过程。 这些过程中的两个绝热压缩和绝热膨胀发生在相同的气缸中,由曲轴驱动的活塞往复运动。 剩余的两个过程,每个过程都是恒定压力下的热传递,在高压热交换器和低压热交换器中进行。 以曲轴转速为二分之一转动的旋转阀在气缸和热交换器之间产生通道,并且被构造成压缩和膨胀比相等。