66results about How to "Simple coupling structure" patented technology

A vacuum cleaner is disclosed. The vacuum cleaner comprises a cleaner body, a multi cyclonic a primary cyclone and at least one secondary cyclone, a suction source having a suction source inlet and a suction source outlet, a main filter assembly including a main filter element comprising a selectively permeable material, a discharge member having an opened upper end coupled to the peripheral edge of the primary airflow outlet and a closed lower end, and a guide rib provided at the primary cyclone for guiding the airflow in a direction tangential to the inner peripheral wall surface of the primary cyclone. Accordingly, it is possible to separate easily and conveniently dust and dirt from the airflow and deposit the dust and dirt into the dust collecting container.

A torque tube supporter and a solar tracker using the same are provided. The torque tube supporter includes a cylindrical bearing supporting a cylindrical torque tube, a bearing cover having a cylindrical middle portion for supporting the bearing, a flange radially protruding from the circumference of the bearing cover, a half journal section having an arcuate upper portion to which the flange is fixed, and a post supporting the half journal section.

A rechargeable battery includes a current interruption device that is directly coupled to the cap plate of the bare cell.

An optoelectronic hybrid printed circuit board provided with an inter-chip optical interconnection direct-coupling structure belongs to the photoelectron and optical communication field and aims at realizing non-lens direct optical coupling, simple-structure coupling and an optical receiving-emitting module to be pluggable for the inter-chip optical interconnection. For the invention, a laser device on the surface of a vertical cavity and a PIN optical receiver are respectively coupled in an optical manner with an optical waveguide layer of an embedded printed circuit through an optical coupling adapter formed by a lower locating plate, an optical fiber array and an upper cover plate. The optical fiber array is embedded into a parallel rectangle trough of the lower locating plate and is covered by the upper cover plate and is solidified by a UV glue; one end of the upper cover plate, one end of the lower locating plate and the optical fiber array are polished into optical planes and the other ends of the lower locating plate and the optical fiber array are all polished into 45-degree end faces. The invention just needs less optical elements and the non-lens direct optical coupling, the simple-structure coupling and the pluggable optical receiving-emitting module are all realized; the invention can be applied to the broadband, high-speed and high-capacity information communication networks and the high-capability computer process-transmission systems.

A vacuum cleaner is disclosed. The vacuum cleaner comprises a cleaner body, a cyclonic chamber comprising a primary cyclone and at least one secondary cyclone disposed around the primary cyclone, a flow passage guide for guiding the airflow discharged from the primary cyclone to a secondary airflow inlet of the secondary cyclone, a first conduit for fludically connecting a nozzle section defining a suction opening to a primary airflow inlet of the primary cyclone, a suction source having an suction source inlet and an suction source outlet, and a second conduit for fludically connecting a secondary airflow outlet to the suction source inlet of the suction source. Accordingly, it is possible to achieve a low flow resistance by virtue of the flow passage guide and an enhanced dust collecting performance by virtue of a sealing effect of the sealing member.

A driving apparatus of a detachable developing apparatus, and the detachable developing apparatus using the driving apparatus. The driving apparatus includes: a coupling member including a coupling drive which is connected to a driving element and to which driving power is transferred from the driving element, a coupling gear to which driving power is transferred from the coupling drive, and a coupling disc positioned between the coupling drive and the coupling gear for flexibly connecting the coupling drive and the coupling gear; and a power transferring portion including a plurality of gears to transfer driving power from the coupling member to the developing element and the toner supply element. At least one of the plurality of gears is a reduction gear for reducing a load applied to the coupling member from the developing element and the toner supply element.

The invention relates to an all solid state micro-opto-electro-mechanical gyro based on an annular cavity. The gyro comprises a vertical cavity surface transmitting laser, a resonant cavity strengthening type detector, an input raster, an output raster, an annular resonant cavity, an input and output optical waveguide, and a light dividing isolator, wherein the vertical cavity surface transmitting laser is integrated on a top silicon layer of SOI material and is formed by using a bonding technology of the silicon base chip and the III-V compound semiconductor base chip; and the resonant cavity strengthening type detector is integrated on an upper silicon layer of SOI material, and bonded into an active area of detecting matters of In, Ga, As and the like by applying the bonding technology. The all solid state micro-opto-electro-mechanical gyro is characterized in that the annular resonant cavity is in a circle shape; the input raster is integrated with the output raster through the light dividing isolator, the input and output optical waveguide and the annular resonant cavity. The invention is mainly applied to measuring the angular velocity of the outside, and can be applied to small satellites and even miniature satellites.

Disclosed herein is a coupling structure of a heat transfer plate and a gasket for use in a plate type heat exchanger. In the coupling structure, a gasket groove, formed along the outer circumference of respective fluid passage holes and the heat transfer plate, and the gasket to be inserted into the gasket groove have a toothed engagement coupling structure. With this configuration, the coupling structure of the heat transfer plate and the gasket is remarkably simplified, while the contact area between the heat transfer plate and the gasket and the resulting coupling strength can be greatly improved. Thus, pressure resistance of the plate type heat exchanger can be greatly improved, allowing the plate type heat exchanger to be easily applied to high temperature and pressure heat exchanger facilities.

A coupling structure for an air guide of a front end module includes a plurality of rib members formed at a lateral portion of the front end module, at least one support ribs protruding from a fixing surface of the air guide, and a plurality of insert blades extending at a right angle at one end of the respective support ribs. Each of the rib members is formed about an associated guidance recess, and includes a pair of lateral ribs protruding from opposite lateral sides of the guidance recess, and a pair of front ribs extending from distal ends of the lateral ribs toward each other. The support ribs are configured to be inserted along the guidance recesses of the rib members, respectively, and in such an inserted state of the support ribs, the insert blades connected thereto come into contact with inner surfaces of the front ribs of the rib members.

A coupling structure of a heat transfer plate and a gasket for use in a plate type heat exchanger. The heat transfer plate has a groove for receiving the gasket. The coupling structure includes a protrusion formed at a first surface of the gasket, a recess formed at a second surface of the gasket having the same shape as the protrusion, and an inverted U-shaped prominent portion formed at the bottom of the gasket groove of the heat transfer plate. A prominent portion of the heat transfer plate is tightly inserted into the recess of the gasket, and the protrusion of the gasket located under the prominent portion of the heat transfer plate is inserted into a recessed internal space of the prominent portion.

A suction valve coupling structure for a reciprocating compressor is disclosed in which a piston being linearly moved in a cylinder upon receipt of driving force from an electric mechanism unit, according to which gas flows through a gas flow passage formed therein, is coupled by welding to a valve for opening and closing the gas flow passage, thereby strengthening the coupling state of the suction valve. Since the coupling structure is simplified, a dead volume is reduced and a stroke volume is increased, improving compression efficiency. A stroke control of the piston is facilitated to enable a precise control of movement of the piston. In addition, a reliability of the coupling of the suction valve can be improved.

The invention discloses a planar optical waveguide with a lensed end face. The planar optical waveguide comprises a planar optical waveguide array and a coupler. The planar optical waveguide array comprises a plurality of parallel planar optical waveguide bodies, and the planar optical waveguide bodies are provided with lensed spherical mirror end face bodies with the collimating or focusing function. The coupler is used for supporting and fixing the planar optical waveguide array. According to the planar optical waveguide with the lensed end face, lensed processing is carried out on the incident end faces of the planar optical waveguide bodies, the spherical mirror end faces with the collimating or focusing function are formed, integration of a lens and the planar optical waveguide bodies is achieved, the problems that due to separation of the lens and the planar optical waveguide bodies, the light path is not stable, and the center of an optical axis is aligned difficulty are solved, the coupling structure is simplified, the planar optical waveguide can be used in two directions, and the light beam collimating and focusing functions are achieved.

A vehicle air duct assembly of an integrated beam structure includes a front beam member which is formed with an air vent duct for guiding air for the air conditioning of an automobile, a cowl cross bar for reinforcing the rigidity of the vehicle body and brackets for attaching a plurality of electrical equipment parts including an air bag; and a rear beam member which is coupled to the rear side of the front beam member and guides parts of air flowing through the air vent duct toward a front window glass of the automobile. According to the air duct, the number of parts is reduced, thus the manufacturing process is simplified, and a mixed material of steel and thermoplastic resin is used, thus the overall strength is increased and the weight is reduced.

The present invention relates to a pressure sensor employed in a stability control apparatus for a vehicle. According to an aspect, there is provided a pressure sensor installed to a hydraulic unit and being in contact with a circuit board of an electronic control unit to sense brake oil pressure. The pressure sensor comprises a connecting terminal formed on the circuit board of the electronic control board and comprising a press-fit terminal; a press-fit being in slidable and movable contact with the press-fit terminal; and a spring connecting the press-fit and the press-fit terminal.

A driving apparatus of a detachable developing apparatus, and the detachable developing apparatus using the driving apparatus. The driving apparatus includes: a coupling member including a coupling drive which is connected to a driving element and to which driving power is transferred from the driving element, a coupling gear to which driving power is transferred from the coupling drive, and a coupling disc positioned between the coupling drive and the coupling gear for flexibly connecting the coupling drive and the coupling gear; and a power transferring portion including a plurality of gears to transfer driving power from the coupling member to the developing element and the toner supply element. At least one of the plurality of gears is a reduction gear for reducing a load applied to the coupling member from the developing element and the toner supply element.

A battery module according to an exemplary embodiment of the present disclosure includes a plurality of cell cartridges including at least one battery cell having an electrode terminal and a molding case to receive the battery cell, the molding case having a plurality of coupling protrusions protruding outward, and a sensing module connected to the coupling protrusions to couple the plurality of cell cartridges, the sensing module having a voltage sensing terminal coming into contact with the electrode terminal by the coupling.According to one aspect of the present disclosure, a cost and time taken to manufacture the battery module may reduce by simplifying a connection structure of the plurality of battery cells, and simplifying a coupling structure between the battery cell and the sensing module installed to sense the voltage of the battery cell.

The invention discloses a waveguide coupler with an echelon grating mirror which comprises a substrate, a buffer layer, a waveguide, a tapered waveguide, the echelon grating mirror and an optical fiber. A reflecting face of the echelon grating mirror is provided with echelon grating. The buffer layer is fixedly connected with the top face of the substrate. The waveguide, the tapered waveguide and the echelon grating mirror are fixedly connected with the top face of the buffer layer. The height of the tapered waveguide is equal to that of the waveguide. One end of the tapered waveguide is a narrow end, and the other end of the tapered waveguide is a wide end. The narrow end of the tapered waveguide is fixedly connected with an input end of the waveguide, and the wide end of the tapered waveguide is opposite to the reflecting face of the echelon grating mirror. The optical fiber is arranged vertically and arranged above the echelon grating mirror, and an output end of the optical fiber is opposite to the reflecting face of the echelon grating mirror. The waveguide coupler is capable of enabling the optic fiber and the waveguide to achieve high-efficiency coupling and provided with high alignment tolerance. Meanwhile, the invention further discloses a preparation method of the waveguide coupler. The preparation method is simple and compatible with a metal oxide semiconductor (MOS) technology.

The invention relates to a high-power optical fiber side pumping coupler and a manufacture method thereof. The high-power optical fiber side pumping coupler comprises a double-cladding optical fiber and a multimode optical fiber or a plurality of multimode optical fibers, wherein the multimode optical fiber is a pumping input optical fiber. Firstly, one end of the pumping input optical fiber is pulled into a taper shape, then is spirally wounded on the side surface of the inner cladding of the double-cladding optical fiber and is only directly fused into a whole together with the inner cladding. In the invention, a pumping coupling system is formed without adding other optical components; and the pumping coupling system has simple structure, good reliability, small insertion loss and high coupling efficiency, thereby being suitable for high-power optical fiber lasers or optical fiber amplifiers.

A slide device includes a body provided at an end portion of a side of the fixed rail, and provided with a guide path, a slider coupled to the body, and selectively slidably movable along a longitudinal direction of the body during slidable movement of the transfer rail, a transfer pin coupled to the slider to be movable simultaneously at the time of movement of the slider, and movable along the guide path, and a damper provided in the body, and configured such that a rod end portion thereof is connected to the transfer pin. The slide device employs a structure in which the rod end part of the damper is detachably coupled to a sub-transfer pin without being directly coupled to the slider, and thereby can maximally prevent occurrence of a problem where the durability of the slider degrades during long-term reciprocating movement.

The invention provides a dielectric waveguide filter comprising a plurality of resonators mutually connected. Coupling windows and coupling holes are formed between adjacent resonators. Each coupling window has a cavity structure; the inner wall of each coupling window is coated with a first metalized plating layer for electromagnetic shielding; each coupling hole is a blind hole approaching the corresponding coupling window; and the inner wall of each coupling hole is coated with a second metalized plating layer for electromagnetic shielding. The coupling value of the dielectric waveguide filter can be adjusted by grinding the corresponding metalized plating layer of any coupling window or any coupling hole. The dielectric waveguide filter has advantages of simple coupling structure, low process requirement, and low cost.

A light-emitting module is provided. The light-emitting module comprises a printed circuit board, a plurality of light-emitting devices, and at least one module lens. The plurality of light-emitting devices are formed on the printed circuit board. At least one module lens is supported by the printed circuit board and reflects light emitted from the plurality of light-emitting devices.

The invention belongs to the technical field of wireless communication, and relates to a voltage-controlled oscillator, in particular to a coupling voltage-controlled oscillator based on a four-port coupling network. The coupling voltage-controlled oscillator is used for solving the problems that a traditional coupling voltage-controlled oscillator has the requirement for the symmetry of a coupling network, the coupling network is not prone to achieving absolute symmetry, the purpose of reducing phase noise cannot be achieved, and more area is occupied. According to the invention, the invention is composed of four identical voltage-controlled oscillators and a four-port coupling network, and a tail resistor is connected in series to a common-mode path to replace an LC parallel resonant cavity, so that the chip area is greatly reduced while the phase noise is effectively reduced. Moreover, a common mode point coupling mode is adopted, so that a coupling network is more symmetrical, wiring is shorter, mismatch is reduced, noise at a second harmonic position can be greatly reduced, and the possibility that phase noise is deteriorated due to the fact that the second harmonic noise is down-converted to the position near fundamental waves is reduced.

A tubular fiber structure, which includes a tubular section and a flange section that is on at least one end of the tubular section and which is formed by shaping a wound fabric base material.

A ceramic spindle coupling structure includes a metal bushing which has a housing space that has an inlet and a tapered fastening section of a smaller diameter than the inlet to form a tight coupling with a ceramic spindle without embossing the ceramic spindle and the metal bushing.