37results about How to "Simple and economical design" patented technology

The invention relates to an electromechanical brake booster for a master brake cylinder of a hydraulic vehicle braking system. The invention provides to configure the brake booster such that it preferably includes a switchable freewheel, which enables an actuation of the master brake cylinder without any movement of the electric motor of the brake booster. The invention further provides to configure the brake booster such that it includes a mechanical gear having a variable transmission ratio, which has a high path transmission at the beginning of an actuation of the master brake cylinder, and a force transmission that rises with increasing actuation. A variable gear ratio is possible using a rack and pinion gear, the toothed rack of which has a soothing with a pitch that changes across the length of the toothed rack. A further possibility of a mechanical gear having a variable ratio is a toggle lever mechanism.

The invention relates to an appliance (1) for converting DAB signals into FM signals and for transmitting the FM signals to an FM receiver (2), with a DAB receiver (3), which is equipped with an antenna input (4) and, at an output (10), emits an audio signal derived from a received DAB signal, and with an FM modulator unit (13) for generating an FM signal modulated with the audio signal, and a transmission unit for transmitting the FM signal to the FM receiver (2), and with a control stage (21), wherein the transmission unit is equipped with wired connection means (16), to which wired connection means (16) frequency detection means (20) are connected, which are connected to the control means (21) and arranged to detect the high frequency set in the FM receiver (2), and to generate a result signal representing the detection result and deliver it to the control stage (21) for channel setting purposes, and wherein the control stage (21) is connected to a channel-setting input (29) of the DAB receiver (3) in order to tune the DAB receiver (3) on the basis of the result signal.

Disclosed is a thermostable DNA polymerase preparation which can illimitably reduce the risk of false positivity in the detection of a subject microorganism utilizing a gene amplification reaction and therefore enables the selective amplification of DNA for detecting the subject microorganism even when the amount of the subject microorganism is small and therefore the amount of DNA collected therefrom is extremely small, and can be produced at a reduced cost. Also disclosed is a method for quantifying or quantifying/identifying a subject organism to be detected rapidly, conveniently and with high sensitivity using the preparation of the present invention.

The present disclosure provides a gaming chair. The gaming chair includes a movable stand member, a seat member, a backrest member, a plurality of speakers, a Bluetooth transmitter, a power supply, and an inverted triangle wiring. The seat member is disposed over the movable stand member. Further, the backrest member is hingeably coupled to the seat member. Furthermore, the inverted triangle wiring is adapted to electrically couple the plurality of speakers, the Bluetooth transmitter and the power supply to enable an electrical connection therebetween, thereby making the gaming chair to be musical.

An apparatus for spinning melt-spun filament yarns including a spin beam is disclosed. A polymer melt fed to a spin beam is distributed within the spin beam to a plurality of spinning cans mounted on the spin beam. To reduce costs to the manufacturer for ensuring ease of disassembly of the spin beam, as well as to avoid the need for disassembling the spin beam and having a furnace on hand, the spin beam is provided with an integrated or removably attachable regenerative heater by which the melt-conducting components of the spin beam can be heated to a regeneration temperature of between about 450 to 550° C. to pyrolytically remove the deposits.

Tensioning roller device including a non-rotating part about which there is rotationally mounted a pulley-forming rotating assembly designed to collaborate with a belt or a chain and a rolling bearing positioned between the non-rotating part and the pulley and including a rotating ring, a non-rotating ring and rolling elements, the pulley including a rigid rim including a first part fixed to the rotating ring of the bearing and a second part that can move with respect to the first part under the action of an elastic element, and an expandable sleeve of annular overall shape designed to be in contact with the belt or the chain, the diameter of the expandable sleeve varying according to how hard it is pressed by the second part.

A steering column switch, especially for a motor vehicle, contains a switch lever, which is activated transversely and which has a magnetic signal transmitter, to which several stationary magnetic-field sensors coupled to an evaluation unit are allocated for determining the switch positions of the switch lever. The switch lever supports a rotary switch and the signal transmitter and also the magnetic-field sensors are used for determining the switch positions of the rotary switch.

Acceleration and/or tilt sensor having a ferromagnetic fluid that is located in a receptacle, and the receptacle constitutes a neutral position for the fluid, and the fluid is permanently magnetized, and a magnetic field detector arrangement is located at the receptacle to detect a displacement of the fluid, wherein a portion of the fluid can be displaced relative to the receptacle from the neutral position to an operating position by an external force while maintaining a continuous surface with the portion of the fluid remaining in the neutral position, and the fluid returns to the neutral position after removal of the external force.

A light stick for providing chemiluminescent light to provide general illumination of an otherwise darkened area. The device is thrown into position causing the chemiluminescent components to mix upon impact with a rigid object thereby generating chemiluminescent light after a predetermined delay. The device will provide illumination to an area of possible criminal activity and can be used tactically by law enforcement officials to help avoid danger to themselves and possibly others.

A circuit for processing an audio signal includes an input stage to which the audio signal is applied and an output at which the processed audio signal is presented. The circuit comprises first and second input stages (11, 12) having nonlinear performance curves, the first stage receiving the audio signal at a specified phase, and the second stage receiving from an inverter (13) an inverse phase of the audio signal. A positive half wave of the input signal is processed nonlinearly and the negative half wave is processed linearly. A difference amplifier (14) receives the signals produced by the first and second input stages and generates an audio signal representing a difference between the signals present at its inputs.

The invention relates to a medium voltage power distribution cabinet. The medium voltage power distribution cabinet is designed to be mounted between the two parts of the circuit, in order to at least perform current flowing between the two parts and current interruption in case of electrical failure. The medium voltage power distribution cabinet is characterized by comprising a first cabinet (a) special for interrupting and forming the current, wherein the cabinet includes an electrical protector (3) for interrupting and forming the current; and a second cabinet (b) special for making the rated current pass through, wherein the cabinet includes a device (6) for conducting the rated current and the short circuit current before current interruption period by using the protector (3) and a device (6) for disconnecting the circuit, and the second cabinet (b) is designed to conduct the high rated current and a disconnection switch (6) is commanded by the electrical protector (3).

The invention relates to a stop valve (1, 1′, 1″) for a portable pressurized-gas container (35). A valve body (2) is provided with three connection adapters (7, 17, 18), i.e. one central connection adapter as a gas tank connection adapter (7), another connection adapter as outlet connection adapter (17) and a third connection adapter as spindle drive receiving adapter (18). Valve body (2) is made in several parts including valve body element (3) with the outlet connection adapter (17) and a spindle drive receiving adapter (18) and a radial valve seat element receiving bore (20) going to the bottom of the spindle drive receiving adapter (18). Furthermore, the valve body (2) has an oblong valve seat element (5) with gas supply bore (29) provided at the one end of the valve seat (30) and a bearing collar (26) on the other end. In its assembled state, the valve seat element (5) is inserted tightly into the radial bolt receiving bore (20). In addition, the valve body (2) has a main bolt (4) which is inserted tightly into the central main bolt receiving bore (19). Suitable gas supply bores (9, 11, 29) allow gas to flow from the connected pressurized-gas container (35) via the spindle drive receiving adapter (13) to the outlet connection adapter (17).

A self-priming pump is described that has a housing, an inlet, and an outlet. A first impeller has a first pump section that is arranged in a first chamber, and a second impeller has a second pump section that is arranged in a second chamber. A shaft section is provided between the pump sections, and has a shaft end and penetrates an opening in a housing wall. To improve the net positive section head of the pump, the shaft section between a constriction and the shaft end is formed to taper from the shaft end toward the constriction, and the first impeller and shaft section between the constriction and first pump section has a smooth contour.

The invention provides a frequency hopping communication transmitting system and method. The systm is mainly composed of an FPGA internal processing module and a system peripheral circuit, whewrein the FPGA internal processing module comprises a frequency hopping frequency loading control module, and a digital signal modulation processing module; and the peripheral circuit comprises a quadrature modulation circuit and a radio frequency local oscillator generating circuit. With the combination of hardware and software, the system can flexibly configure the working frequency and bandwidth. The frequency hopping communication transmitting system has the characteristics of high jump speed, high bandwidth and high frequency band. The frequency hopping communication transmitting system not onlyhas high frequency bandwidth and high hop rate, the concision and the economical benefit of the circuit design of the system are also considered, and good technical results and economic benefits are obtained.

The invention relates to an improved buck circuit which comprises a buck chip, the input end of the buck chip is connected with a power module, the output end of the buck chip is connected with a load module, and the buck circuit further comprises a hysteresis loopback module which loads the voltage of the output end of the buck chip to an enabling end of the buck chip. The enabling end of the buck chip is also connected with the power supply module, so that the voltage obtained by the enabling end is jointly determined by the power supply module and the output end voltage by utilizing the dynamic change characteristic between the enabling end of the buck chip and the input end voltage to ensure that when the circuit disturbs the voltage reduction of the power supply module, the voltage obtained by the enabling end is still greater than the enabling voltage so as to maintain the normal and stable output of the buck chip. The circuit is low in cost and good in anti-oscillation effect.