57results about How to "Increase rise" patented technology

An attenuation power control mechanism which changes opening of orifices 46, 47 of a piston 25 fitted into a cylinder 22 includes first and second valve plates 37, 38, and first and second coils 44, 45 which generate magnetic fields, whereby the first and second valve plates 37, 38 are deformed by the magnetic fields generated by the first and second coils 44, 45 to change the opening of the orifices 46, 47, so that the attenuation power of the damper can be controlled arbitrarily. At this time, the first valve plate 37 is deformed by the corresponding first coil 44, and the second valve plate 38 is deformed by the corresponding second coil 45.

A wireless communication receiver that is able to lessen the effect of noise that accompanies gain change by programmable gain amplifiers. The receiver includes an AGC controller which controls the timing at which the programmable gain amplifiers make gain change, using a terminal counter and a sequencer. The receiver prevents gain change noise signals during the reception of control signals and other signals that are susceptible to noise. By the timing control feature, the programmable gain amplifiers make gain change while reducing noise impact.

The embodiment of the invention discloses a liquid crystal display source electrode driving device and a driving method thereof, relating to the field of a liquid crystal display. In the invention, the optimal charging rate and the optimized power can be chosen to effectively solve the problem of brightness difference and avoid the phenomenon of dim line. The liquid crystal display source electrode driving device comprises an output buffer unit, an assistant bias current unit and an assistant bias current control unit, wherein the assistant bias current control unit controls the assistant bias current unit to provide dynamic assistant bias current for the output buffer unit. The invention can be applied to the liquid crystal display.

The invention provides an underwater robot which comprises a robot body. A control bin is arranged in the robot body, parallel horizontal propellers are horizontally arranged on the left side and the right side of the robot body respectively, the robot body is fixedly connected with the horizontal propellers through a fixing frame which is perpendicularly provided with perpendicular propellers, the perpendicular propellers are symmetrically distributed on the two sides of the robot body, therefore, by means of the horizontal propellers and the perpendicular propellers, complex moving actions such as ascending, descending, forward moving and rotating of the underwater robot can be achieved, and the flexibility and the maneuverability of underwater moving are improved.

The invention provides a vehicular elevating device which can reduce wheelchair transfering time with a low cost and properly transfer wheelchairs. An oil-pressure cylinder 5 formed by a double-action single-rod type cylinder is made to extend so as to elevate a bearing part 1 or made to be shortened so as to lower the bearing part 1. Actuating oil from an actuating oil pump 33 and actuatin goil discharged by a first cylinder chamber 34 are supplied to a second cylinder chamber 35 to make the bearing part move upwards in an accelerating manner. The pressure of the actuating oil supplied to the second cylinder chamber 35 is set above the pressure required by the upward movement of the bearing part 1 bearing no wheelchairs and below the pressure required by the upward movement of the bearing part 1 bearing wheelchairs.

The invention provides a lower limb rehabilitation robot. The robot comprises a rack, a lifting weight reduction mechanism, a mechanical leg moving mechanism, a mechanical leg movement mechanism, a treadmill and a treadmill lifting mechanism; the rack comprises a rack bottom frame, supporting columns arranged at one end of the rack, supporting crossbars disposed between the supporting columns, anda supporting vertical rod disposed in the middle of the supporting crossbars, wherein the bottom of the supporting vertical rod is fixed to a horizontal frame of the rack bottom frame; the treadmillis disposed in the rack bottom frame; the treadmill lifting mechanism is arranged on a bottom plate of the treadmill; the lifting weight reduction mechanism is arranged on the sides of the supportingcolumns; the mechanical leg moving mechanism is arranged on the side of the middle supporting crossbar, and the two ends of the lifting weight reduction mechanism are fixed to the supporting columns;the mechanical leg movement mechanism is arranged on a mechanical leg mounting plate of the mechanical leg moving mechanism. The robot can effectively adjust the leg length of mechanical legs and canbe adjusted according to the body width of a patient to make gait simulation more accurate, the structure is safe and small, and the overall height is reduced to the maximum extent.

A current-to-voltage converter which is used to receive an input current and to generate an output voltage accordingly comprises a current tracking bias circuit, a current-to-voltage unit, and a voltage clamp bias circuit. The current tracking bias circuit generates a first bias according to the input current. The current-to-voltage unit receives the first bias and the input current, and generates the output voltage according to the input current, wherein the first bias determines a range of the input current, the current-to-voltage unit has a first current control device, and the first current control device changes a current conduction level thereof in response to the first bias, such that a rising or falling speed of the output voltage is enhanced. The voltage clamp bias circuit clamps voltage levels of two ends where the voltage clamp bias circuit is connected to the current-to-voltage unit.

The process is designed for the flotation of interfering materials from an aqueous fibrous pulp suspension and is in particular used in the processing of printed or used paper that is otherwise contaminated. The separation of gas bubbles of the suspension occurs in a flotation layer that has a maximum thickness of approximately 100 mm. The process also achieves good flotation results in fibrous pulp suspensions that have a fiber pulp content significantly larger than 1 % by weight, for example around 2% by weight. A flotation apparatus is provided for performing the flotation process. The apparatus includes a flotation vessel, an inlet, an outlet, and a skimmer device.

In a rising cable (1) with a driver (5) which is fastened at its one end and is configured for coupling to a sliding element (17) which can be moved in the axial direction of the rising cable (1), the driver (5) is configured as a cast metal body which is cast around the end region of the rising cable (1), and said driver (5) has a lateral recess (16) which is configured for coupling and is arranged in the axial direction on the other side of the end of the rising cable (1), wherein an axially parallel pin (10) is cast integrally in that cross section of the driver (5) which remains next to the recess (16).

The invention discloses a stable guiding telescopic mechanism for a carrier. The mechanism is arranged between the two ends of a carrier frame and the two ends of a hammock frame and comprises a first telescopic pipe, a second telescopic pipe and a third telescopic pipe. The first telescopic pipe, the second telescopic pipe and the third telescopic pipe are each of a hollow structure, a round through hole is formed in the bottom of the first telescopic pipe, the second telescopic pipe is inserted into the round through hole in the bottom of the first telescopic pipe, a round boss is arranged on the top of the second telescopic pipe, the third telescopic pipe is inserted into a round through hole in the bottom of the second telescopic pipe, a round boss is arranged on the top of the third telescopic pipe, and the lower portion of the third telescopic pipe is inserted into a through hole in the upper portion of a connecting sleeve; a separation blade is welded to the lower end of the third telescopic pipe, a round through hole is formed in the center of the separation blade, and an internal thread is arranged on the inner side of the connecting sleeve. The stable guiding telescopic mechanism has the advantages of being wide in application range and high in adaptability, secondary harm of shaking of a hammock to patients can be effectively avoided, and meanwhile the effect of protecting steel wire ropes is achieved.

The invention discloses a use method of a spiral lifting mechanism. A pilot sleeve can adjust stress at two ends of a rotating cylinder to be balanced, the breakage condition of the position where a chuck and the rotating cylinder are connected due to the fact that one end of the chuck is stressed excessively is prevented, when a motor fails, rollers can buffer instantaneous impact force between support blocks and threads, so that the damage degree of the rotating cylinder is reduced, and the stability of the lifting mechanism is improved.

A fuel cell system comprises: a fuel cell stack; a turbo compressor configured to supply a cathode gas to the fuel cell stack through a cathode gas supply line; a pressure regulation valve configured to regulate a pressure of the cathode gas; and a controller, wherein the controller is configured to calculate a target rotation speed of the turbo compressor and a target opening position of the pressure regulation valve, based on a target flow rate of the cathode gas and a target pressure of the cathode gas that are determined according to a required power output of the fuel cell stack and to control the turbo compressor and the pressure regulation valve using the calculated target rotation speed and the calculated target opening position, and the controller is configured, upon increase of the required power output, to: (a) determine an acceptable overshoot level of a flow rate of the cathode gas that is to be supplied to the fuel cell stack, the acceptable overshoot level being selected from a plurality of levels based on at least an increased amount of the required power output; and (b) set a time change in opening position of the pressure regulation valve such that an overshoot amount in a change of the flow rate of the cathode gas becomes smaller as the acceptable overshoot level gets lower, and perform control of the pressure regulation valve. This configuration suppresses an excessive overshoot in the flow rate of the cathode gas.

The invention discloses a method for using a lift. The guide sleeve can adjust the force balance at both ends of the rotating cylinder, so as to avoid excessive force on one end of the chuck and cause breakage at the joint between the chuck and the rotating cylinder. When the motor fails, The rollers can buffer the instantaneous impact force between the support block and the thread, reduce the damage of the rotating cylinder and improve the stability of the elevator.

The invention relates to a fireproof and floodproof outdoor electrical control cabinet device, which comprises a cabinet body, a cabinet door, a lifting device and an electrical component; mounting ears are arranged on both sides of the bottom of the cabinet body; the cabinet door is hinged with the two sides of the cabinet body through hinges; clamping slots are formed in the middle positions ofthe upper and lower ends of the cabinet body; clamping blocks matched with the clamping slots are arranged at the upper and lower ends of the cabinet door; and the lifting device is arranged inside the cabinet body. According to the fireproof and floodproof outdoor electrical control cabinet device, the lifting device is arranged inside the cabinet body; lifting rods and limiting rods are arrangedon two sides of the lifting device in a sleeving manner; the lifting rods rotate under the driving of a motor to realize rise up and fall off of the lifting device, so as to avoid the influence caused by impounded water on the electrical component and guarantee the use safety of the electrical component; an air compressor is arranged on a connecting plate, and the air compressor is connected witha fire extinguishing disk through an air conveying pipe; and the air compressor extinguishes fire of the electrical component by high-pressure air, so as to avoid further damage to the electrical component.

A self-blast electric interrupter device, such as a circuit breaker or a disconnector, the device comprising:

• • a first contact and a second contact that are movable between a closed position in which they press against each other, and an open position in which they are spaced apart from each other; and
  • an arc-control chamber surrounding the two contacts in order to define a space that is closed in the closed position.

At least one of the contacts includes a central channel opening out towards the other contact in order to enable gas coming from the arc-control chamber during an opening stage to be discharged. According to the invention, the other contact carries an insulating member that ablates under the effect of an electric arc forming in the arc-control chamber in order to give rise to a large and fast increase of pressure within the chamber.