16results about How to "Suppress failure" patented technology

The purpose of the present invention is to provide a defect detection device for a basket-type rotor, said defect detection device being capable of easily and reliably estimating and reporting the presence or absence of a broken bar or an air hole (defect), which is likely to be present in a conductor rod formed in a locking slot, using an AI without requiring a skilled person. The scale of the defect and the position of the defect can be estimated and reported. This defect detection device for a basket-type rotor is provided with: a fluctuating magnetic field generation means (1) and a detection means (2) that are disposed so as to be able to straddle one conductor rod of a basket-type rotor (R); a rotor model data output means (3) for creating rotor models (M1-Mn) and outputting configuration data (K1-Kn) of the rotor models (M1-Mn); a rotor model analysis means (4) for receiving the structure data (K1-Kn) and AC power source data (AC), performing numerical analysis on the current value induced in the second coil, and generating a large amount of learning data (L1-Ln); and a neural network (5) and a defect information reporting means (6) that are optimized by the learning data (L1-Ln) provided in advance, receive the time-series current value data (C) detected by the detection means (2), perform inverse analysis, and output defect state estimation information indicating the presence or absence of a defect, the scale, and the position of the conductor bar existing in the basket-type rotor (R).

A liquid circulation structure according to one embodiment of the present invention is a liquid circulation structure installed on a moving body and used. The liquid circulation structure includes: a shell having an internal space that can be filled with liquid; and a partition that partitions the internal space. At least a portion of the internal space is filled with liquid. A passage through which the liquid can pass is provided between the shell and the partition in the internal space and in at least one of the partitions. When the liquid circulation structure is installed on the moving body, the liquid passes through the passage due to the swing caused by the movement of the moving body and the action of gravity, thereby causing the liquid to circulate in the internal space.

A grinding device includes a holding disk, a housing, a tool driving section, a nozzle, a sensor, and a sensor cover. The holding disk holds a substrate. The housing houses the holding disk. The tool driving section drives a grinding tool that presses against the substrate inside the housing. The nozzle supplies a grinding liquid to the substrate inside the housing. The sensor detects a liquid level of a liquid that remains inside the housing. The sensor cover is located between the holding disk and the sensor.

In the tire (1), when a point (Al) on a side profile located at the same position in the tire radial direction with respect to the radially outer end of the bead cores (11, 11) is defined, a distance (Hl) in the tire radial direction from a tire maximum width position (Ac) to the point (Al) is defined. A point Al'on the side profile at a radial position 70 [%] from the tire maximum width position Ac at a distance Hl is defined, and a point Am on the side profile at a radial position 35 [%] from the tire maximum width position Ac at a distance Hl is defined. The radius of curvature RO [mm] of an arc passing through the tire maximum width position Ac, the point Al'and the point Am when the tire is attached to a predetermined rim, a predetermined internal pressure is applied, and the tire is in an unloaded state is within the range of 0.20 < = RO / SH < = 1.20 with respect to the tire cross-sectional height SH [mm].

The utility model relates to a handheld folding steam brush not prone to water leakage of water pump joint, including a brush head with handle, the lower end of handle is detachable with water tank, handle top is equipped with a rotatable joint, handle middle is equipped with water pump, handle lower side inside is equipped with still one mounting plate, the mounting plate top is protruding with the surrounding wall, the surrounding wall surrounds a water pump installation chamber, water pump is located in water pump installation chamber, water pump can be up and down activity a distance, water outlet nozzle of water pump is located water pump top, and water outlet nozzle is equipped with water outlet pipe through rotatable joint. The utility model has the advantages of: water pump can be up and down activity in water pump installation chamber, when the water pipe is aged and produces big stress at water pump water outlet nozzle, water pump can alleviate the pressure that water pipe bears through activity. Inhibit the water leakage and the circuit failure caused by water leakage due to water pipe to come out, improve the steam brush service life.

A reducer is provided. A reducer (100) according to an aspect of the present application includes: an internal gear (116) having a housing (122) that surrounds a main axis (1La) and a plurality of external pins (117) that are rotatably arranged in pin grooves (116b) provided in an inner periphery of the housing; an external gear (114) that is engaged with the internal gear; an eccentric body (112) that oscillates the external gear; a gear carrier (118, 120) that rotates relative to the housing; and a main bearing (124, 126) having an inner peripheral sliding surface (148) that rotates integrally with the housing and an outer peripheral sliding surface (149) that rotates integrally with the gear carrier. One of the inner peripheral sliding surface and the outer peripheral sliding surface is formed of resin, and the other sliding surface is formed of a heat conductive material having higher wear resistance than the resin.

The utility model relates to the technical field of instrument automatic control, in particular to a detection alarm system for combustible gas in a gas pipeline, and aims to solve the problems that when the concentration of the combustible gas in the gas pipeline is detected at present, due to the lack of a special efficient detection matching system, the combustible gas is not detected in time, the detection precision is low, and the detection cost is high. And finally, the overall gas transmission safety of the gas pipeline is greatly influenced. The system is mainly composed of a detector, a wire, a time relay, an alternating current contactor, an electromagnetic valve and the like, and the combustible gas detector participates in combustible gas alarm control sound and light alarm and participates in rapid electromagnetic valve linkage by continuously measuring whether a gas pipeline leaks or not and matching sound and light alarm, and the concentration of an alarm point is a set high-low limit value. The device can give an alarm in advance when the concentration of the leaked combustible gas is lower than the explosion lower limit in a protection area, so that fire and explosion accidents caused by leakage of the combustible gas are prevented, and equipment faults are effectively restrained.

Provided is a haptic sensor finger capable of inhibiting breakage or malfunction of a robot hand caused by contact of a held object with a portion other than the palm surface of the finger portion when the robot hand is used with the haptic sensor. The haptic sensor finger (1F) of the present invention is a finger of a robot hand that holds a held object, and includes a finger portion (2) having a palm surface (21a) that contacts the held object, a back surface (21b) on the side opposite the palm surface (21a), a front end surface (21c) at the front end in the extension direction of the palm surface (21a) and the back surface (21b) and adjacent to the palm surface (21a) and the back surface (21b), and two side surfaces (21d, 21d) adjacent to the palm surface (21a) and the back surface (21b) in a direction crossing the extension direction of the palm surface (21a) and the back surface (21b), and a haptic sensor body (5) that is a thin film-shaped member attached to the outer surface of a housing (21) that constitutes the finger portion (2), and has a pressure-sensitive region (5a) that overlaps at least one of the palm surface (21a) and the front end surface (21c) and the two side surfaces (21d, 21d).

The present application provides an electronic control device capable of suppressing malfunction of an electronic component caused by static electricity. The electronic control device (B) of the present application that controls an actuator is provided with a circuit board (5), an electronic component (8) mounted on the circuit board (5), a resin case (7) (insulating case) that holds the circuit board (5), a metal cover (6) (first conductive cover) that covers the resin case (7), an actuator cover (12) (second conductive cover) that holds the resin case (7) and covers an opening portion of the actuator, and a conduction portion (13) that makes the metal cover (6) (first conductive cover) and the actuator cover (12) (second conductive cover) conductive.

A power storage device (50) is provided with: a cell (60); a relay 53 for cutting off the current of the cell 60; a bypass circuit 120 connected in parallel with the relay 53; and a management device (150). The bypass circuit (120) includes two FETs (121, 123) connected back to back. When an abnormality of the cell (60) is detected, the management device (150) turns off the relay (53) (OPEN), turns on one of the two FETs (121, 123) (CLOSE) and turns off the other (OPEN), and makes it possible to discharge or charge the cell (60) through a path passing through a parasitic diode of the FETs. The management device (150) closes (CLOSE) the relay (53) and the other FET (121, 123) that is OFF (OPEN) when the current I and the energization time T of the FETs (121, 123) reach a predetermined condition or the temperature of the FETs (121, 123) reach a predetermined condition when discharging or charging is performed through a path that passes through the parasitic diode, and the management device (150) also closes (CLOSE) the relay (53) and the other FETs (121, 123) that are OFF (OPEN) when the current I and the energization time T of the FETs (121, 123) reach the predetermined condition.

A battery 1 includes a charge / discharge body 10 including an electrode (a positive electrode 11 and a negative electrode 12) including an electrode tab (a positive electrode tab 11b and a negative electrode tab 12b) and a current collector 20 (a positive electrode current collection plate 21 and a negative electrode current collection plate 22) joined to the electrode tab (the positive electrode tab 11b and the negative electrode tab 12b). The current collector 20 (the positive electrode current collection plate 21 and the negative electrode current collection plate 22) includes a convex joining section (a positive electrode joining section 21f and a negative electrode joining section 22f). The electrode tab (the positive electrode tab 11b and the negative electrode tab 12b) and the joining section (the positive electrode joining section 21f and the negative electrode joining section 22f) are welded.

Provided is a tire capable of effectively suppressing a failure due to tire flexing and a failure due to friction between the tire and a flange of a rim, thereby improving durability. In a tire (10) having a cross-sectional height SH in the range of 50 mm to 150 mm, in a no-load state in which the tire (10) is fitted to a prescribed rim and filled with a prescribed internal pressure, when an opening distance between the tire (10) and the flange (22) of the rim on a vertical line drawn from a radially outermost point Tr of the flange (22) to an outer surface of the tire (10) is set as A, the opening distance A satisfies a relationship of 0.01 ≤ A / SH ≤ 0.16 with respect to the cross-sectional height SH, and when a projection amount equivalent to 1 / 2 of a difference between a total width TW of the tire (10) and a rim width DW of the prescribed rim (21) is set as W, the opening distance A satisfies a relationship of 0.03 ≤ A / W ≤ 1.60 with respect to the projection amount W.

The present invention provides an electric motor. It is capable of suppressing the failure of electronic components or malfunction of electronic circuits caused by static electricity. The electric motor comprises a substrate (1), the substrate (1) comprises a first circuit pattern (13) connected to a specific electronic component (14), and the substrate (1) comprises a second circuit pattern (12) formed at a position closer to a component of the electric motor charged with static electricity than the distance between the first circuit pattern (13) and the component, and used to discharge static electricity.

An electric device includes an electric board (7) having a board hole (7a), a housing accommodating the electric board, a shaft portion (30) disposed in the housing and inserted into the board hole, a recessed portion (44) disposed in the housing, and a bonding portion (45). The bonding portion is interposed between the shaft portion and the recessed portion and between the recessed portion and a hole peripheral portion (73) of the electric board that forms a peripheral edge of the board hole, and bonds the shaft portion, the hole peripheral portion, and the recessed portion. The board hole has a size such that a radial gap is provided between the hole peripheral portion of the electric board and the shaft portion.

This disclosure provides a washing machine capable of suppressing the mixing of multiple liquids and suppressing equipment malfunctions. The washing machine of this disclosure includes: an outer tub; a water supply valve; multiple tanks for containing liquids; a liquid suction unit for suctioning the liquids contained in the multiple tanks; multiple storage sections connected between the water supply valve and the multiple tanks for storing liquids suctioned from the multiple tanks; multiple discharge paths for discharging the liquids stored in the multiple storage sections into the outer tub; a switching unit that selectively connects the water supply valve to one of the multiple storage sections; a branch flow path branching off between the water supply valve and the switching unit, wherein the liquid suction unit is provided in the branch flow path; and a control unit that controls at least the switching unit.

Provided are a pressure-sensitive adhesive tape in which anchoring failure is suppressed and a method of producing the pressure-sensitive adhesive tape. The pressure-sensitive adhesive tape according to an embodiment of the present invention includes a base material including an olefin-based resin, a first pressure-sensitive adhesive layer including an olefin-based resin, and a second pressure-sensitive adhesive layer including a styrene-based elastomer in the stated order. The method of producing a pressure-sensitive adhesive tape according to an embodiment of the present invention is a method of producing a pressure-sensitive adhesive tape including a base material including an olefin-based resin, a first pressure-sensitive adhesive layer including an olefin-based resin, and a second pressure-sensitive adhesive layer including a styrene-based elastomer in the stated order, the method including: applying a pressure-sensitive adhesive composition for forming the first pressure-sensitive adhesive layer to the base material by hot-melt coating; and applying a pressure-sensitive adhesive composition for forming the second pressure-sensitive adhesive layer to the first pressure-sensitive adhesive layer by the hot-melt coating.