Abstract: A lever operation device includes a movable support member that supports a base portion of an operation lever such that the base portion is pivotable along a first operation plane, a housing that supports the movable support member such that the movable support member is pivotable along a second operation plane that is orthogonal to the first operation plane, an actuator holder attached to the base portion such that the actuator holder is rotatable along the second operation plane, a first actuator retained by the actuator holder, and a second actuator retained by the movable support member. The housing is provided with a first cam surface and a second cam surface on an inner wall surface thereof, the first actuator and the second actuator being in elastic contact with the first cam surface and the second cam surface, respectively.

Abstract: A wastewater treatment method in which magnetic flocs are formed by adding to wastewater an inorganic flocculant, magnetic particles, and a high molecular polymer as a polymeric flocculant, and the magnetic flocs are collected with magnetic force to thereby obtain treated water having the magnetic flocs removed from the wastewater, wherein the improvement comprises that the magnetic particles are added to the wastewater after adding the inorganic flocculant to the wastewater to flocculate suspended solids in the wastewater, after that or substantially at the same time as the magnetic particles are added, the high molecular polymer is added to the wastewater, and flocculates of the suspended solids and the magnetic particles are combined with each other with the high molecular polymer to thereby obtain the magnetic flocs.

Abstract: There is provided a reaction apparatus which is capable of keeping the pressure inside the reactor and is applicable to various fields. This reaction apparatus comprises: a raw material tank (2) for storing a raw material; a high-pressure pump (3) communicated with the raw material tank (2) and designed to deliver the raw material therefrom; a reactor (1) which is disposed on the downstream side of the high-pressure pump (3) and designed to be supplied with the raw material in a compressed state; a heating bath (11) for heating the reactor (1) to promote a reaction; and a product tank (7) for receiving and recovering a product; wherein the reaction apparatus is further equipped with an inlet port which is interposed between the heating bath (11) and the product tank (7), and with an injection pump (6) for injecting an injecting liquid through the inlet port, whereby a pressure of product flowing into the product tank (7) is enabled to be reduced by making use of the flow rate of the injecting liquid.

Abstract: A rotary angle detecting device is provided which includes: a main driving gear configured to rotate while being directly or indirectly connected to a detection target rotating about a predetermined axis; a driven gear configured to rotate while meshing with the main driving gear; a magnet provided at the center of the driven gear; a magnetic detection element configured to detect a variation in magnetic field in accordance with a rotation of the magnet; a circuit board having the magnetic detection element; and the circuit board is separated from the gears by a holder member.

Abstract: A rotating axis of a first driven gear provided with a magnet and a rotating axis of a second driven gear provided with a magnet are orthogonalized with respect to a plane which includes a rotating axis of a rotor having a first gear and a second gear each with a different number of teeth concentrically provided for a flanged gear forming section.

Abstract: The disclosed absolute angle detecting apparatus includes: a rotating body A; a rotating magnet that rotates with the rotation of the rotating body A; and a magnetic sensor that outputs signals sin ?, cos ?, ?sin ?, and ?cos ? using a variation in the direction of a magnetic field according to the rotation angle ? of the rotating magnet. The first and second arc tangent signals tan?1? having phases that deviate from each other by a quarter of the period of each output signal of the magnetic sensor are generated on the basis of the output signals of the magnetic sensor. The absolute angle detecting apparatus generates a sawtooth signal without using the vicinities of the switching positions of the two arc tangent signals tan?1?, and detects the absolute angle of the rotating body A within one rotation of the rotating body A, on the basis of the sawtooth signal.

Abstract: A rotary angle detecting device includes a synthetic-resin wheel member which is provided with a shaft hole, into which a steering shaft having a pair of flat surfaces provided in a front end portion thereof is inserted, and a detecting portion and which rotates together with the steering shaft; a sheet-metal attachment member attached to the wheel member and engaged to the steering shaft; a signal detecting unit operable to detect a position variation of the detecting portion accompanied by the rotation of the wheel member; and a housing provided with a through-hole into which the steering shaft is rotatably inserted and accommodating the wheel member and the signal detecting unit.

Abstract: A rotary angle detecting device is provided which includes: a main driving gear configured to rotate while being directly or indirectly connected to a detection target rotating about a predetermined axis; a driven gear configured to rotate while meshing with the main driving gear; a magnet provided at the center of the driven gear; a magnetic detection element configured to detect a variation in magnetic field in accordance with a rotation of the magnet; a circuit board having the magnetic detection element; and the circuit board is separated from the gears by a holder member.

Abstract: An engine system comprising an engine, hydrogen medium capable of repeating chemically storing and discharging hydrogen, an exhaust gas pipe from said engine; and a reactor unit bearing a catalyst; wherein the hydrogen generated using the heat of the exhaust gas in said reactor unit or the mixture of the hydrogen and said hydrogen medium being supplied to said engine; wherein said reactor unit includes at least first reactor and second reactor in said exhaust gas pipe and each of said reactors comprises a partition wall disposed between an exhaust gas passage and a hydrogen medium passage; and wherein the thermal resistance of said partition wall of said first reactor positioned on the upstream side is larger than that of said second reactor positioned on the downstream side, and said hydrogen medium is supplied from said first reactor to said second reactor.

Abstract: It is an object of the invention to provide an engine system using a small-sized heat exchanger having a high efficiency and a stable performance for heating and vaporizing a hydrogen medium supplied to a reactor vessel.

Abstract: An engine system in which either hydrogen produced from a hydrogen containing medium in terms of reaction using a catalyst or a mixture of the hydrogen and the hydrogen containing medium is employed as a fuel, in order to restrict heat deformation of a reactor, the engine system including a reactor configured to cause a reaction using a catalyst, in which the reactor is constituted by alternately disposing plural exhaust passages and plural fuel passageways of the engine system with a wall interposed therebetween; at least one carrier configured to carry the catalyst and to be formed in a substantially rectangular plate shape is fitted in at least one of fuel passageways; and the carrier is provided with a plate portion which has a surface disposed in a fuel flowing direction and is formed in a substantially rectangular plate shape and at least one slit portion which divides the surface of the plate portion in the fuel flowing direction.

Abstract: A rotary angle detecting device includes a synthetic-resin wheel member which is provided with a shaft hole, into which a steering shaft having a pair of flat surfaces provided in a front end portion thereof is inserted, and a detecting portion and which rotates together with the steering shaft; a sheet-metal attachment member attached to the wheel member and engaged to the steering shaft; a signal detecting unit operable to detect a position variation of the detecting portion accompanied by the rotation of the wheel member; and a housing provided with a through-hole into which the steering shaft is rotatably inserted and accommodating the wheel member and the signal detecting unit.

Abstract: Disclosed is an absolute angle detecting device that requires an angle corresponding to one step of a cyclic gray code in order to perform initialization and to determine the errors of a detecting element. The disclosure provides an absolute angle detecting device for detecting the absolute angle of a rotating body. The absolute angle detecting device includes: a storage unit that stores an N-bit cyclic gray code, which is a combination of binary digits ‘1’ and ‘0’; N detecting elements that are arranged along a code pattern; and a data determining unit that compares an N-bit code string output from the N detecting elements with the N-bit cyclic gray code. In the cyclic gray code, when N is an even number, the number of is included in the code string in each step is N/2 or (N+2)/2. When N is an odd number, the number of is included in the code string in each step is any one of (N+1)/2, (N?1)/2, (N+1)/2, and (N+3)/2.

Abstract: A microorganism separation device includes: sample solution supply means (30) for supplying a sample solution (40) stored within a sample solution reservoir (32) to a first flow path (12); a microorganism sensor (22) that is capable of detecting a monadelphous microorganism in the sample solution (40) that passes through the first flow path (12); a controller (24) that stops to supply the sample solution (40) to the first flow path (12) and discharges the detected microorganism together with the sample solution (40) from a termination side of the first flow path (12) on the basis of a detection result of the microorganism by the microorganism sensor (22); and an acceptor (52) that receives a droplet (28) of the sample solution (40) that is discharged from the termination side of the first flow path (12).

Abstract: It is an object of the present invention to ensure quite high-speed and highly efficient production using the microreactors and facilitate transition from laboratory-basis synthesis to industrial production. A microreactor system collecting a mixture solution obtained by mixing up material solutions in a microreactor includes a plurality of microreactors arranged in parallel; a flowmeter disposed on a downstream side; a detector detecting a composition of the mixture solution; and a processing device calculating both a reaction time from when the material solutions are mixed up until the detector detects the composition of the mixture solution and an yield of the target product.

Abstract: A reaction apparatus comprises a first supply flow channel having a fine flow channel cross sectional area for a liquid pressurized by a pressurizing device, a gas supply flow channel having a fine flow channel cross sectional area for supplying a gas, a two-phase flow channel having a fine flow channel cross sectional area in communication with a joined portion for the first supply flow channel and the second supply flow channel for flowing a gas/liquid two-phase fluid, a gas bubble reaction flow channel in communication with the exit of the gas/liquid two-phase channel and having a flow channel cross sectional area larger than that of the gas/liquid two-phase flow channel, and a liquid discharge flow channel for discharging the liquid in the gas bubble reaction flow channel. Therefore, in the reaction apparatus, a stable mixing ratio of a gas to a liquid can be obtained and the mixing speed of the gas to the liquid is increased.

Abstract: There is provided a reaction apparatus which is capable of keeping the pressure inside the reactor and is applicable to various fields. This reaction apparatus comprises: a raw material tank (2) for storing a raw material; a high-pressure pump (3) communicated with the raw material tank (2) and designed to deliver the raw material therefrom; a reactor (1) which is disposed on the downstream side of the high-pressure pump (3) and designed to be supplied with the raw material in a compressed state; a heating bath (11) for heating the reactor (1) to promote a reaction; and a product tank (7) for receiving and recovering a product; wherein the reaction apparatus is further equipped with an inlet port which is interposed between the heating bath (11) and the product tank (7), and with an injection pump (6) for injecting an injecting liquid through the inlet port, whereby a pressure of product flowing into the product tank (7) is enabled to be reduced by making use of the flow rate of the injecting liquid.

Abstract: An absolute angle detecting apparatus is disclosed that has a simplified structure and is capable of reducing noise generated when gears engage with each other and accurately detecting the absolute angle of a rotating body at high resolution. The disclosed absolute angle detecting apparatus includes: a rotating body A, a code wheel 1 that rotates with the rotation of the rotating body A, code patterns that are formed on the code wheel, code detecting elements that are provided opposite to the code patterns, a second toothed wheel that engages with the code wheel, a rotating magnet that is mounted to the second toothed wheel, and a magnetic sensor that outputs a sine signal and a cosine signal having different phases using a variation in the direction of a magnetic field according to the rotation angle ? of the rotating magnet.

Abstract: An absolute angle detecting apparatus is disclosed that is capable of accurately detecting the absolute angle of a rotating body even when positional deviation occurs in the switching position of an arc tangent signal obtained from a sine signal and a cosine signal that are output from a magnetic sensor. The disclosed absolute angle detecting apparatus includes: a rotating body A; a rotating magnet that rotates with the rotation of the rotating body A; and a magnetic sensor that outputs signals sin ?, cos ?, ?sin ?, and ?cos ? using a variation in the direction of a magnetic field according to the rotation angle ? of the rotating magnet. The first and second arc tangent signals tan?1 ? having phases that deviate from each other by a quarter of the period of each output signal of the magnetic sensor are generated on the basis of the output signals of the magnetic sensor.

Abstract: In a chemical reactor, a gas and a liquid which are in trace volumes are used to produce air bubbles and thus increase the interface area between the gas and liquid, substantially enhancing the efficiency of reaction between the gas and liquid. The chemical reactor comprises the following: a sheath flow forming block which forms a plurality of alternating sheath flows with two mutually unmixable fluids; a plurality of inlet ports through which said two fluids flow into the sheath flow forming block; a contraction zone which simultaneously contracts a plurality of sheath flows formed in the sheath flow forming block; and reaction flow channels each of which is connected with said contraction zone and is smaller in width than the sheath flow forming block.