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5218results about How to "Effective absorption" patented technology

Bicycle suspension

A computer controlled suspension system is provided for a bicycle, which can effectively absorb shock and provide stability on rough surfaces regardless of the speed of the vehicle. The suspension system has a control unit, a front suspension, a rear suspension, a front wheel terrain sensor, and a rear controller. The rear suspension is selectively adjustable by the control unit to change stiffness of the rear suspension. When the front suspension hits a bump or a depression in the surface of the ground, a signal is sent to the rear controller so that the rear suspension can react appropriately. In one embodiment, a pedaling torque sensor is operatively coupled to the control unit to input a signal that is indicative of pedaling force, and the rear controller adjusts stiffness of the rear suspension in response to the pedaling force via the control unit. In another embodiment, one or more gear position sensors are operatively coupled to the control unit to input a signal that is indicative of gear position, and the rear controller adjusts stiffness of the rear suspension in response to the gear position force via the control unit. A locking mechanism is provided to operatively coupled to selectively lock the rear suspension in a compressed condition. The front and rear suspension preferably uses at least cylinder with a coil spring and a compressible material located between individual turns of the coil spring.
Owner:SHIMANO INC

Distributed network synchronization system

A distributed synchronization system for use in each node of a distributed asynchronous telecommunications network system that continually monitors and controls the flow of data through an implementing node to prevent dataflow errors due to phase and frequency differences in source and destination nodal clocks, and to control inter-nodal network latency so as to support the transmission of synchronous data. A synchronization data FIFO buffers predetermined fields or portions of fields of a unique frame packet received from a source node before retransmission to a destination node on the network. The frame packet includes a frame synchronization field indicating the beginning of a new frame packet; a payload field containing valid data; and a dead zone field providing bandwidth during which the present invention performs synchronization functions. A frame synchronization subsystem, implemented in a designated master node, guarantees that a frame is released at the beginning of an independently-determined frame regardless of network latency. A word resynchronization subsystem manages the flow of data through the data FIFO of each non-master node, receiving and storing data at the source node's clock rate and transmitting the data according to its own clock, thereby guaranteeing the efficient receipt and transmission of data between asynchronously-communicating nodes.
Owner:EXCEL SWITCHING

Preparation method of one-way wet conduction nano-fiber multilayer composite membrane with wettability gradient

InactiveCN107059251AExcellent unidirectional moisture transfer performanceWaterproofNon-woven fabricsFiberHydrophobic polymer
The invention discloses a preparation method of a one-way wet conduction nano-fiber multilayer composite membrane with the wettability gradient. The method comprises the following steps that hydrophilic nano materials are dispersed in solvent, the nano materials are dispersed uniformly through ultrasound, a hydrophilic polymer is dissolved in the dispersing agent, a spinning solution A1 is obtained, and a hydrophilic nano-fiber membrane is deposited on a receiving base material through an electrostatic spinning method; hydrophilic nano materials are dispersed in solvent, the nano materials are dispersed uniformly through the ultrasound, a hydrophilic polymer is dissolved in the dispersing agent, and a spinning solution A2 is obtained; a hydrophobic polymer is dissolved in solvent, and a spinning solution B1 is obtained; the two spinning solutions are deposited on the hydrophilic nano-fiber membrane to form at least one diversion layer through the electrostatic spinning method; a hydrophobic polymer is dissolved in solvent, a spinning solution B2 is obtained, a hydrophobic nano-fiber membrane is deposited on the diversion layers through the electrostatic spinning method, and the one-way wet conduction nano-fiber multilayer composite membrane with the wettability gradient is obtained.
Owner:DONGHUA UNIV

Biogas slurry ecological purification method based on microalgae cultivation

The invention discloses a biogas slurry ecological purification method based on microalgae cultivation. The method comprises the following steps: (1) biogas slurry pretreatment; (2) habituated culture of autotrophic microalgae, namely, obtaining algae strains capable of rapidly growing in 70%-100% biogas slurry; (3) preparation of a seed solution; (4) a biogas slurry purification method during growing of microalgae, namely, after expanded cultivation, inoculating the habituated algae species into an open photobioreactor for cultivation, obtaining chlorella biomass growing by high density through a semi-continuous culture method and optimized methods such as fed-batch cultivation, and purifying the biogas slurry; (5) biochemical breaking of microalgae cell walls, namely, introducing the microalgae cells into a biochemical wall breaking pool, putting freshwater fish into the pool, and obtaining algae slurry subjected to wall breaking; and (6) collection of the microalgae cells and recycling of the biogas slurry. According to the method, not only is a method provided for purifying the biogas slurry, but also the obtained algae cells and the biogas slurry can be recycled, so that ecologicalization treatment of the biogas slurry is realized, the environment is improved, and furthermore, the economic and social benefits are produced.
Owner:湖南瑞藻生物科技有限公司
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