95results about How to "Improve installation freedom" patented technology

Disclosed is an air conditioner having an excellent air cleaning function, the air conditioner including a cabinet having a first air inlet and discharging conditioned air; and a filter unit provided at the cabinet and cleaning air drawn therein, and selectively performing an interlocking operation for supplying purified air to the cabinet or an independent operation for discharging the purified air directly to the outside thereof.

A projector has a distortion correcting circuit for correcting a distorted quadrangular projected image, which is projected onto a projection surface along a projection optical axis inclined in at least one of leftward, rightward, upward, and downward directions, into a rectangular corrected image, such that one of the vertexes B, D on the opposite ends of either one of two diagonal lines of the rectangular corrected image is positioned on one side La of the outer edge of a projection range of the projected image and the other vertex on another side Lb that is positioned adjacent to the one side La.

An electric power steering apparatus according to the invention includes an electric motor to be connected to a control unit through bus bars respectively projected from the inside of the electric motor and is structured such that the control unit controls the drive of the electric motor to thereby assist the steering of a vehicle. The control unit is fixed to a fixing base which is structured as a composing element of the electric motor, and the fixing base covers the connecting portion between the bus bars and control unit.

A color electrophotographic image forming apparatus in which a cartridge tray supporting a plurality of cartridges is movable through a plurality of opening portions to respective outside positions outside an apparatus main body. In the color electrophotographic image forming apparatus, the plurality of cartridges are removably mounted to the apparatus main body to form an image on a recording medium. The color electrophotographic image forming apparatus includes: a cartridge tray (26), which is movable, while supporting the plurality of cartridges, between an inside position positioned inside the apparatus main body and the outside positions; a plurality of opening portions (31, 92) provided in the apparatus main body, through which the cartridge tray (26) is movable between the inside position and the outside positions; and doors (28, 94) for opening and closing the plurality of opening portions (31, 92).

Multi-type air conditioner including an outdoor unit installed in an outdoor, including a compressor, a refrigerant flow controlling part connected to a discharge end of the compressor for guiding the refrigerant proper to operation conditions selectively, and an outdoor heat exchanger connected to the refrigerant flow controlling part, a plurality of indoor units each installed in a room and having an indoor heat exchanger and an electronic expansion valve having one end connected to one end of the indoor heat exchanger, a plurality of, at least two, distributors between the outdoor unit and the plurality of indoor units for improving installation freedom of the plurality of indoor units, selectively guiding refrigerant from the outdoor unit to the plurality of indoor units proper to operation conditions, and guiding the refrigerant passed through the indoor units to the outdoor unit again, and a device for shutting off introduction of the refrigerant into the distributors connected to inoperative indoor units.

The invention discloses a ship power supplying system. The oil consumption of ships can be drastically reduced, the energy utilization rate is increased, the purpose of energy conservation and emission reduction is achieved, and the flexibility of the ship power supplying system is maintained. According to the technical scheme, the system comprises a ship power supplying battery which stores electric energy to power a ship, a power supplying battery monitoring module which is connected to the ship power supplying battery, and monitors and controls the charging and discharging processes of the ship power supplying battery, an inverting unit which is connected to the ship power supplying battery and a load, and converts direct current of the battery into an alternating current used for working of the load and a battery charging component which is connected to the ship power supplying battery and charges the ship power supplying battery.

A full bridge circuit composed of four switching elements (Q1 to Q4) is alternated with a high switching frequency and a series-connected resonance circuit composed of an inductor (L2) and a capacitor (C2) is made to resonate for a switching frequency of the full bridge circuit multiplied by an integer (for example, frequency multiplied by three), thereby generating a high voltage pulse for start. After a high-pressure discharge lamp is started, the full bridge circuit is alternated with a low switching frequency so as to operate as a step-down chopper for inverting the output polarity, thereby stably supplying rectangular wave voltage of low frequency to the high-pressure discharge lamp (DL) via a filter circuit composed of an inductor (L1) and a capacitor (C1).

The invention belongs to the technical field of communication hoops, and particularly relates to a communication hoop of an adjustable rotating supporting arm. The communication hoop comprises hoop bodies, the hoop bodies are used for tightly holding a columnar pile column, each hoop body is of a chain structure formed through mutual hinging of connecting bases and connecting pieces, positioning parts are arranged on the end of each chain structure of each hoop body, the positioning parts are fixed to form an annular structure, rotating supporting arm assemblies are included and comprise mounting bases, swing bases and positioning bases, the positioning bases are fixed to any connecting bases, the swing bases are rotatably connected to the positioning bases, the mounting bases are rotatably connected to the swing bases, the mounting bases are used for externally connecting with communication devices fixedly, when the communication devices are fixed to the annular pile column through the rotating supporting arm assemblies and the hoop bodies, through two rotating structures on the rotating supporting arm assemblies, the communication devices on the mounting bases can move towards oraway from the columnar pile column, and the communication hoop of the adjustable rotating supporting arm is simple and stable in structure.

A riding work machine (10) comprises a steering wheel (31), an engine (11), a hydraulic stepless transmission mechanism (62) for transmitting power of the engine (11) to a driving wheel (14, 14), and a pivotable operation lever (71) for operating the hydraulic stepless transmission mechanism (62) to change the running speed of the work machine (10). A return mechanism for returning the hydraulic stepless transmission mechanism (62) to a position of reducing the running speed of the work machine (10) when the hydraulic stepless transmission mechanism (62) is operated by the operation lever (71) and the steering wheel (31) is turned is mounted at a base (71a) of the operation lever (71).

A clothes drying machine comprises a drying machine body; a drying roller is rotatablely arranged in the drying machine body and holds the clothes to be dried; a driving motor that supplies a rotating force to the drying roller is arranged at the bottom side of the drying machine body, and a circulating wind channel is respectively communicated and arranged at the front side and the back side of the drying roller, so as to realize the air circulation in the drying roller; a circulating fan is arranged to guide the air circulation of the circulating channel, a condenser is arranged in the drying machine body to condensate the circulating air; a thermal exchange device comprises: a pipe type thermal exchange pipe which can exchange heat with the air circulated in the circulating channel, a gas burner used for supplying heating gas to the thermal exchange pipe and a guide fan that can guide the air heated by the gas burner to the thermal exchange pipe. The invention can be easily arranged in house without needing to punching the wall to arrange a gas discharging pipe, thus improving the installation freeness and ensuring the safe operation.

A key structure which is capable of giving a woody appearance to the key, and increasing the freedom of mounting at least one functional part formed as a separate part from the key structure, while maintaining excellent machinability. An upper plate has an increased width part corresponding to an end of a white key toward a player. In the key structure, a wood part is secured to the lower surface of at least the increased width part of the upper plate, and has an increased width part having substantially the same width as the increased width part of the upper plate. The key structure is mountable in a keyboard apparatus, for functioning as a white key pivotally moved by key-depressing operation. A recess is formed in a part of the wood part including the increased width part, which opens downward and has a width (W0) not less than 50% and not more than 80% of the width (B0) of the increased width part of the wood part.

First and second fuel cell stacks having a simple and compact structure are connected in parallel to each other to enable ensuring a desired electric power generating performance. The first and second fuel cell stacks have the same structure and are arranged in parallel to each other with polarities thereof reversed. A manifold piping is mounted to one ends of the first and second fuel cell stacks. In order to supply an oxidizer gas, a fuel gas, and a coolant to the first and second fuel cell stacks, at least an oxidizer-gas supply pipe, a fuel-gas supply pipe, and a coolant supply pipe in the manifold piping are provided to be symmetrical with respect to the first and second fuel cell stacks.

An electric brake apparatus includes an electric motor which generates a rotational drive force. A gear train is driven by the electric motor and generates a rotational drive force. A screw feed mechanism is driven by the gear train and converts the rotational drive force from the gear train into a linear drive force. A wedge transmission mechanism is driven by the screw feed mechanism and converts the linear drive force from the screw feed mechanism into a linear drive force transverse to the linear drive force from the screw feed mechanism. A piston is driven by the wedge transmission mechanism in an axial direction of the piston and generates a braking force.

Electrode layers 22A-22C, 24A-24C are formed on both main surfaces of each of piezoelectric layers 20A, 20B. Voltages of different polarities are respectively applied to the electrode layers next to each other on the same main surface and to the electrode layers opposing to each other via the piezoelectric layer. Projection forms 30, 32 are formed in respective edges of the second electrode layers 22B, 24B facing to each other, each of which extends into the opposite area. Through-holes are formed in the piezoelectric layer 20A, 20B, in positions off a division line 38. The electrode layers 22A-22C are connected together by the through-holes 26A, 26B and the projection form 30, to have an equal potential. Those are lead from the diaphragm to the outside, thus reducing the overall thickness. This can reduce the thickness of a piezoelectric sounding body thus obtained and achieves lead reliability improvement, manufacturing process simplification and material diminishing.

The invention relates to a high-precision ultralow frequency six-dimensional force micro-vibration measuring system, and the system belongs to a field of high-precision measuring system technology. The problem that the measuring system in prior art has low measuring precision and inflexible installation interface is solved. The measuring system comprises a box body, a load disc, four vertical piezoelectric sensors, six horizontal piezoelectric sensors, six lateral positioning plates, a signal adjustment device and a data acquisition and processing system; wherein the box body is formed by a shell body and a base, the load disc is formed by a bottom disc and a mounting column, the vertical piezoelectric sensors are impacted by a top surface in the shell body and a top surface of the bottom disc, the horizontal piezoelectric sensors are respectively impacted by the side surfaces of the bottom disc and the side surfaces of the lateral positioning plates, charge signals measured by ten piezoelectric sensors are converted into voltage signals through the signal adjustment device, the voltage signals are analyzed and calculated by the data acquisition and processing system, so that three dynamic forces and three dynamic bending moments of a disturbance source are obtained. The measuring system can precisely measure the disturbance force of the disturbance source, the installation interface is flexible and easy to operate, and the system has high measurement reliability.

In a keyboard device, key unit comprises: one or multiple key body; key support, for supporting body of every key; and connection part, for pivotally connecting the key support with key body along key stroke direction of key body. Key rack comprises: upper surface; and key mounting part, mounted on the upper surface, for mounting the key support of key unit. The key support of the key unit comprises a first coupling part, possessing hook structure or forced fit structure; the key mounting part of the key rack comprises a second coupling part. The key unit is mounted on the key rack, the second coupling part couples with the first coupling part. The second coupling part comprises through-hole or recess part for coupling with hook structure or forced fit structure of the first coupling part. The coupling position of the first coupling part and the second coupling part lies in upper part of key mounting part of the key rack.

A safety switch is provided which is increased in durability and which offers a high degree of freedom of mounting the safety switch to place.A switch body has a rectangular solid shape. An actuator entrance hole is formed at one of the opposite corner portions of the switch body whereas a cable lead-out port is formed at the other corner portion, whereby the safety switch is increased in the degree of mounting freedom. Thus is offered a wider choice of place to mount the safety switch. The switch body is formed with only one actuator entrance hole so that the safety switch is prevented from suffering failure caused by foreign substances invading through an actuator entrance hole left unused. In addition, a driving cam may be formed with an engaging portion and a cam curve portion in spaced relation so that the driving cam is configured to be free from an area having poor strength. Thus, the driving cam is increased in strength. This leads to the increased durability of the safety switch.

The invention relates to integrated laser sources, in particular to an optical fiber light cone coupling based high-power high-brightness laser source which solves the problem of interaction between output light spot area and optical fiber bundle output power of an existing integrated laser source. The optical fiber light cone coupling based high-power high-brightness laser source comprises an optical fiber light cone which is made by fusion drawing of a plurality of optical fibers, the large end of the optical fiber light cone is provided with scattered pigtail fibers, and each optical fiber of the scattered pigtail fibers is connected with a laser which is provided with a collimating lens combination through a connector. The optical fiber light cone coupling based high-power high-brightness laser source is small in size, convenient, flexible, simple to mount and debug, high in output light power density, small in output light spot area and convenient for coupling with a subsequent optical system, and is widely applicable to the fields of laser illumination, laser processing, display projection systems taking laser as light sources, and the like.

The invention relates to a positive and negative pressure combined conveying tank with simple structure, saving time and labor, occupying less space, and suitable for quantitatively and quickly conveying materials. The pneumatic butterfly valve on the exhaust port on the top of the sending tank, the vortex suction pump connected above the pneumatic butterfly valve, the submerged pulse solenoid valve used to blow the adhered material on the filter element, the inlet on the upper part of the sending tank The material valve, and the suction sealing valve located on the material outlet at the bottom of the sending tank. The delivery tank generates negative pressure through the vortex air pump connected to the tank body, so that the tank body is in a certain negative pressure state, and the materials in the nearby silo or production equipment are sucked in through the movable or fixed installation flexible hose The tank body, when the material is filled to the set level, automatically stops feeding and closes the feed valve and exhaust valve; then automatically pressurizes the tank and carries out the pressure feeding of the material until the material is emptied.

The invention discloses a welding seam recognition device and recognition method suitable for flat plate butt welding seams, the welding seam recognition device comprises a sliding device and an adjusting device, the end of the sliding device is provided with a driving device, the rear side face of the sliding device is provided with a fixing device, and the top of the sliding device is provided with a horizontal regulator and an industrial personal computer. A fixing device is arranged at the end of the adjusting device and used for fixing an industrial camera and a laser pen which are used for recognition. According to the recognition method, aiming at the limitation that segmentation of a current FCM clustering algorithm is easy to fall into local optimum, the FCM clustering algorithm is optimized by searching a clustering center in combination with a mucous flora intelligent algorithm, so that the image quality is obviously improved, and details and contours of an image edge region are clear. The method can be suitable for flat plates with different weld lengths and is high in adaptability; the field installation is rapid, the stability of device operation during identification is good, the identification method is high in identification speed, good in reliability and robustness and high in precision, and the welding seam identification efficiency of a construction site is greatly improved.

A key structure which is capable of giving a woody appearance to the key, and increasing the freedom of mounting at least one functional part formed as a separate part from the key structure, while maintaining excellent machinability. An upper plate has an increased width part corresponding to an end of a white key toward a player. In the key structure, a wood part is secured to the lower surface of at least the increased width part of the upper plate, and has an increased width part having substantially the same width as the increased width part of the upper plate. The key structure is mountable in a keyboard apparatus, for functioning as a white key pivotally moved by key-depressing operation. A recess is formed in a part of the wood part including the increased width part, which opens downward and has a width (W0) not less than 50% and not more than 80% of the width (B0) of the increased width part of the wood part.