摘要:
A plant for producing mechanical energy from a carrier fluid under cryogenic conditions, including a cryogenic tank configured for storing the carrier fluid under cryogenic conditions and a capacitive tank. The plant further includes a supply circuit, arranged as a connection between the cryogenic tank and the capacitive tank and comprising a pump configured to increase the pressure of the carrier fluid. The plant provides an engine body, configured for producing mechanical energy and including at least one work chamber having an inlet port, arranged in fluid communication with the capacitive tank, and an outlet port connected to a discharge circuit for the spent carrier fluid, and a recirculation circuit designed to convey a portion of the spent carrier fluid into the capacitive tank.
摘要:
A plant for producing mechanical energy from a carrier fluid under cryogenic conditions, includes a cryogenic tank for storing the fluid under cryogenic conditions and a capacitive tank. The plant includes a supply circuit, connecting the cryogenic tank and the capacitive tank. A pump increases the pressure of the fluid, and a main heat exchanger, arranged downstream of the pump promotes a thermal exchange between a thermal source and the fluid to increase the temperature of the fluid and evaporate the fluid. The plant provides an engine body for producing mechanical energy and including a work chamber having an inlet port, arranged in fluid communication with the capacitive tank, and an outlet port connected to a discharge circuit for the spent fluid, and a recirculation circuit to convey a portion of the spent fluid into the capacitive tank.
摘要:
A method and apparatus for protecting a relatively low temperature rated pressure seal from a relatively high temperature gas residing between a cylinder head and its associated piston. A low temperature rated pressure seal as for example an elastomeric seal is protected from high temperature gas in a heat engine, potentially in excess of 2,000.degree. F. (1093.degree. C.) by the use of an intermediary fluid that is trapped in a reservoir in the head of the cylinder said seal being maintained in a liquid fashion by a skirt extension from the head of the piston into the reservoir holding the described liquid, the intermediary liquid also being in contact with the elastomeric seal in the space between the piston and the cylinder. Additionally a heat engine operating at high efficiency utilizing the seal above described in order to maximize efficiency while eliminating leakage and loss of pressure, said heat engine deriving much of its temperature by an economizer that is a counterflow heat exchanger and from external secondary heating sources in constant volume expansion steps.
摘要:
A plant for producing mechanical energy from a carrier fluid under cryogenic conditions, including a cryogenic tank configured for storing the carrier fluid under cryogenic conditions and a capacitive tank. The plant further includes a supply circuit, arranged as a connection between the cryogenic tank and the capacitive tank and comprising a pump configured to increase the pressure of the carrier fluid. The plant provides an engine body, configured for producing mechanical energy and including at least one work chamber having an inlet port, arranged in fluid communication with the capacitive tank, and an outlet port connected to a discharge circuit for the spent carrier fluid, and a recirculation circuit designed to convey a portion of the spent carrier fluid into the capacitive tank.
摘要:
Disclosed herein is an apparatus for extracting thermal energy from thermal expansion of a working medium in the apparatus. The apparatus includes a thermal expander, a compressor for compressing the working medium after the expansion, and a force modulation unit connecting the thermal expander to the compressor. The force modulation unit consists of two conversion gears that are connected by a lever system. The lever system can be dynamically controlled so that the non-constant force from thermal expansion is modulated into a substantially constant output force of the apparatus.
摘要:
A flow diode configured to permit fluid flow in a first direction while preventing fluid flow in a second direction opposite the first direction is disclosed. The flow diode prevents fluid flow without use of mechanical closures or moving parts. The flow diode utilizes a bypass flowline whereby all fluid flow in the second direction moves into the bypass flowline having a plurality of tortuous portions providing high fluidic resistance. The portions decrease in diameter such that debris in the fluid is trapped. As fluid only travels in one direction through the portions, the debris remains trapped in the portions.
摘要:
A radial crank external heated engine having multiple alignments of pistons radial to multiple collinear rotary valves, multiple crankshafts connected to alignments of pistons, and a common output shaft connected to the crankshafts. A heat conductive working fluid is cycled to the engine from a heat producing external energy source via a slotted channelled tube extended centrally through the rotary valves. The rotary valves have intake and exhaust sections that communicate with the channelled tube and provide means working fluid exchange with respective pistons at timed intervals. The pistons are reciprocally driven by the entry of pressurized work fluid in the cylinder, and the resulting motive power is transferred along the crankshafts to the output shaft where it can be harnessed.
摘要:
A radiation thermal absorber based on characteristic absorption spectrum, a Stirling engine and an operation method thereof. The radiation thermal absorber allows working gas in the Stirling engine to absorb radiation heat quickly, and help the Stirling engine adopt assistant heating to ensure steady operation when solar power is not enough. The radiation thermal absorber includes a heater base, a radiation energy conversion device, heating tubes, a combustion chamber and valves of the heating tubes. The radiation energy conversion device converts the solar energy into radiation energy near a characteristic absorption peak of the working gas, and the working gas absorbs the radiation directly in depth.
摘要:
The present invention refers to the technical field of thermodynamic engines, and more specifically to a heat engine that operates with gas in closed loop in differential configuration which is characterized by performing a thermodynamic cycle eight transformations or otherwise explain, it performs two thermodynamic cycles simultaneously, each with four interdependent, additional transformations, two of these transformations “isothermal” and two “adiabatic” in mass transfer in phases of adiabatic processing to provide a new performance curve no longer dependent solely on temperature but the mass transfer rate which allows the construction of machines with high yields and low thermal differentials.