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35results about How to "Improve instruction efficiency" patented technology

Simple algorithmic cryptography engine

A processor architecture and instruction set is provided that is particularly well suited for cryptographic processing. A variety of techniques are employed to minimize the complexity of the design and to minimize the complexity of the interconnections within the device, thereby reducing the surface area required, and associated costs. A variety of techniques are also employed to ease the task of programming the processor for cryptographic processes, and to optimize the efficiency of instructions that are expected to be commonly used in the programming of such processes. In a preferred low-cost embodiment, a single-port random-access memory (RAM) is used for operand storage, few data busses and registers are used in the data-path, and the instruction set is optimized for parallel operations within instructions. Because cryptographic processes are characterized by operations on wide data items, particular emphasis is placed on the efficient processing of multi-word operations, including the use of constants having the same width as an instruction word. A simplified arithmetic unit is provided that efficiently supports the functions typically required for cryptographic operations with minimal overhead. A microcode-mapped instruction set is utilized in a preferred embodiment to facilitate multiple parallel operations in each instruction cycle and to provide direct processing control with minimal overhead.
Owner:NXP BV

Hydraulic free-piston expander linear power generation unit with counterweight system

ActiveCN112746866BSolve the problem of adapting to the small range of working conditionsImprove instruction efficiencySafety/regulatory devicesEngines without rotary main shaftSolenoid valveEngineering
The invention belongs to the technical field of using high-pressure gas or low-grade heat source to output electric energy, and discloses a hydraulic free-piston expander linear power generation device with a counterweight system, including a first solenoid valve, a second solenoid valve, an expander body, a counterweight trolley, Linear generator, hydraulic plunger cylinder, one-way valve, third solenoid valve, accumulator, oil cylinder, pilot relief valve and manual pump, A end of the first solenoid valve is the gas inlet, P of the second solenoid valve The terminal is the gas outlet, the linear generator is provided with a stator, the stator slides along the track of the linear generator and cuts the magnetic induction line generated by the linear generator, the input terminal of the check valve is connected with the P terminal of the third solenoid valve, the accumulator It is pipe-connected with the pilot relief valve at the same time, the lower side of the pilot relief valve is pipe-connected with the oil cylinder, and the manual pump is connected in parallel at both ends of the pilot relief valve; the invention solves the problem that the expander in the prior art has a limited range of working conditions The problem applies to high pressure gas or low grade heat source to output electrical energy.
Owner:CHONGQING UNIVERSITY OF SCIENCE AND TECHNOLOGY

Air cylinder assembly, manufacturing method of air cylinder assembly, rotary compressor and manufacturing method of rotary compressor

The invention relates to the technical field of compressors, and provides an air cylinder assembly, a manufacturing method of the air cylinder assembly, a rotary compressor and a manufacturing method of the rotary compressor. The air cylinder assembly comprises an annular cylinder body and a heat pipe assembly. A compression cavity is formed in the inner circumference of the annular cylinder body. The heat pipe assembly partially extends into the annular cylinder body and extends in the annular cylinder body, and an evaporation section which is embedded in the annular cylinder body and at least partially wraps the compression cavity and a condensation section which extends out of the periphery of the annular cylinder body are formed. By means of the modes that the evaporation section is embedded in the annular cylinder body and at least partially wraps the compression cavity, and the condensation section extends out of the periphery of the annular cylinder body, the compression heat in the annular cylinder body is discharged in time through the ultra-high heat conduction capacity of the heat pipe assembly, the temperature of the air cylinder assembly is reduced, the indication efficiency of the compressor is improved, air suction heating can also be reduced, the air suction specific volume can be reduced, the volume efficiency can be improved, and therefore the energy efficiency of the compressor is improved. The temperature reduction of the air cylinder assembly can further reduce the temperature of a motor, improve the efficiency of the motor, also improve the temperature field of the whole machine, and prolong the service life of each part.
Owner:SHANGHAI HITACHI ELECTRICAL APPLIANCES CO LTD
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