Abstract: A pressure control valve includes a valve chamber having the first communicating portion connected to a canister and the second communicating portion connected to a fuel tank, the first valve member disposed inside the valve chamber, and the second valve member disposed inside the first valve member. The first valve member includes a valve portion for blocking the second communicating portion, the first communicating hole passing through the valve portion, and the second communicating hole communicating between the first valve member and the valve chamber. The second valve member blocks the second communicating hole. When the fuel tank reaches a certain high pressure state, the first valve member rises to open the second communicating portion. When the fuel tank reaches a certain low pressure state, the second valve member rises to open the second communicating hole.

Abstract: A pressure control valve for a fuel tank includes a valve chamber having the first communicating portion communicating with a canister and the second communicating portion communicating with the fuel tank; the first hollow valve member housed in the valve chamber to be vertically movable; and the second valve member housed in the first valve member to be vertically movable. A valve portion for closing the second communicating portion from the inside of the valve chamber and the first communicating hole passing through the valve portion are provided at a bottom of the first valve member. The second communicating hole is provided at an upper portion of the first valve member for communicating between the inside of the first valve member and the valve chamber.

Abstract: A pressure control valve for a fuel tank includes a valve chamber having the first communicating portion communicating with a canister and the second communicating portion communicating with the fuel tank; the first hollow valve member housed in the valve chamber to be vertically movable; and the second valve member housed in the first valve member to be vertically movable. A valve portion for closing the second communicating portion from the inside of the valve chamber and the first communicating hole passing through the valve portion are provided at a bottom of the first valve member. The second communicating hole is provided at an upper portion of the first valve member for communicating between the inside of the first valve member and the valve chamber.

Abstract: A pressure control valve includes a valve chamber having the first communicating portion connected to a canister and the second communicating portion connected to a fuel tank, the first valve member disposed inside the valve chamber, and the second valve member disposed inside the first valve member. The first valve member includes a valve portion for blocking the second communicating portion, the first communicating hole passing through the valve portion, and the second communicating hole communicating between the first valve member and the valve chamber. The second valve member blocks the second communicating hole. When the fuel tank reaches a certain high pressure state, the first valve member rises to open the second communicating portion. When the fuel tank reaches a certain low pressure state, the second valve member rises to open the second communicating hole.

Abstract: The present invention is an organic halogen compound decomposition device which utilizes a plasma, wherein a stable and reliable ignition at operation commencement is possible, and where following ignition, a good plasma form can be maintained and stable operation is possible. The organic halogen compound decomposition device is equipped with a cylindrical waveguide 7 made up of an outer conductor 8 and an inner conductor 9, and a dual construction discharge tube 5 made up of an inner tube 11 and an outer tube 12 which is provided inside the cylindrical waveguide 7 and on an identical axis. Furthermore, a probe antenna 9a formed from an extension of the inner conductor 9 is positioned so as to encircle the discharge tube 5, and the tip of the inner tube 11 is positioned further inwards than the tip of the probe antenna 9a.

Abstract: A product gas generated through the decomposition reaction of organohalogen compounds and steam is neutralized with an alkali solution and is left to stand for a predetermined period of time, while a neutralization product generated in this neutralization reaction is caused to precipitate in the alkali solution and is then removed. In order to remove the neutralization product completely, a takeout tube 71 is disposed to plunge into a waste gas processing tank 41 and a disk-shaped plate 71a is fastened at the distal end of the takeout tube 71 in parallel to the bottom surface of the waste gas processing tank 41, while the takeout tube 71 opens in the lower surface of the plate 71a at the center thereof. Thus the solid-liquid separation efficiency of the neutralization product and the alkali solution is improved and the quantity of alkali solution remaining in the neutralization product that is disposed of as waste is decreased.

Abstract: Treatment agents are provided for cell seedlings. Each treatment agent comprises water, a dispersant, and activated carbon finely dispersed with the dispersant in the water. Potted seedlings can be treated by dipping them in the treatment agent and/or by irrigating them with the treatment agent. In this manner, cell seedlings can be pre-treated before planting. The thus-planted seedlings may be irrigated with the treatment agent.

Abstract: A valve for preventing fuel leaking from a fuel tank includes a housing that has a passage that communicates with the outside. In the housing there is a float that is used to open and close the passage by being moved axially along the housing. The valve is provided with a device to guide the float to close the passage. The device includes a gap formed between the housing and the float that increases in size with increasing distance from the passage.

Abstract: A lawn colorant composition having rearing effects contains a pigment and an adhesive for the pigment. The pigment comprises a blue pigment composed as a primary component of a compound represented by the following formula: MFe[Fe(CN)6] wherein M represents an alkali metal atom or an ammonium group, one of the two Fe atoms is a divalent ion, and the other Fe atom is a trivalent ion. The adhesive comprises a water-dispersed polymer and a water-soluble polymer having compatibility with said water-dispersed polymer.

Abstract: A heat exchanger used in a screw air compressor has a low temperature chamber through which low temperature fluid flows and a high temperature chamber through which high temperature fluid flows. The low temperature chamber and the high temperature chamber are separated by a partition plate. The high temperature chambers and the low temperature chambers are alternately arranged in layers, so that the low temperature chambers are disposed at both ends in a layered direction. Additionally, the flowing direction of the low temperature fluid in the low temperature chambers and the flowing direction of the high temperature fluid in the high temperature chambers are substantially orthogonal to each other.

Abstract: A valve for preventing fuel leaking from a fuel tank includes a housing that has a passage that communicates with the outside. In the housing there is a float that is used to open and close the passage by being moved axially along the housing. The valve is provided with a device to guide the float to close the passage. The device includes a gap formed between the housing and the float that increases in size with increasing distance from the passage.

Abstract: A lawn colorant composition having rearing effects contains a pigment and an adhesive for the pigment. The pigment comprises a blue pigment composed as a primary component of a compound represented by the following formula: MFe[Fe(CN)6] wherein M represents an alkali metal atom or an ammonium group, one of the two Fe atoms is a divalent ion, and the other Fe atom is a trivalent ion. The adhesive comprises a water-dispersed polymer and a water-soluble polymer having compatibility with said water-dispersed polymer.

Abstract: Provided is a rotating electric machine in which the cooling capacity is improved by increasing the width and depth of a gas vent groove 12 formed in a creepage block 11 and in which a fracture is prevented near the face of the creepage block 11 abutting against a magnetic winding 4 of the creepage block 11 fabricated from a resin material containing reinforcing fibers. The reinforcing fibers of the creepage block 11 fabricated from a resin material containing reinforcing fibers are continuously disposed to form straight lines and curved lines along the contour of the gas vent groove, whereby the area of interlayer slip face 32 subjected to a shearing force acting on the creepage block due to a temperature change of a rotor 1 is increased and the shearing force per unit a slip area is decreased, thereby to prevent a shearing slip fracture near the face of the creepage block 11 abutting against the magnetic winding 4.

Abstract: A lawn colorant composition having rearing effects contains a pigment and an adhesive for the pigment. The pigment comprises a blue pigment composed as a primary component of a compound represented by the following formula: MFe[Fe(CN)6] wherein M represents an alkali metal atom or an ammonium group, one of the two Fe atoms is a divalent ion, and the other Fe atom is a trivalent ion. The adhesive comprises a water-dispersed polymer and a water-soluble polymer having compatibility with said water-dispersed polymer.

Abstract: A lawn colorant composition having rearing effects contains a pigment and an adhesive for the pigment. The pigment comprises a blue pigment composed as a primary component of a compound represented by the following formula: MFe[Fe(CN)6] wherein M represents an alkali metal atom or an ammonium group, one of the two Fe atoms is a divalent ion, and the other Fe atom is a trivalent ion. The adhesive comprises a water-dispersed polymer and a water-soluble polymer having compatibility with said water-dispersed polymer.

Abstract: A back flow preventing valve is formed of a valve main body and a valve member. The valve main body includes a fluid inlet at one side, a fluid outlet at the other side having a valve seat at an end surface thereof, a flange extending outwardly from an outer periphery thereof and located between the fluid inlet and outlet, and a bent portion situated inside the valve main body near the fluid outlet for changing a flowing direction of a fluid flowing through the valve main body. The area of the fluid outlet is greater than that of the fluid inlet. The valve member is pivotally connected to the valve main body and urged toward the valve seat. The valve member is opened when a fluid entering from the fluid inlet is ejected from the fluid outlet, and closed when the fluid does not flow from the fluid inlet to the fluid outlet.

Abstract: A liquid flow-out prevention valve is basically formed of a cut-off valve and a relief valve attached to the cut-off valve. The cut-off valve includes a housing having an outlet in an upper wall, and a valve body disposed inside the housing to open and close the outlet. A flow path communicating with the outlet extends from above the upper wall to a side wall of the cut-off valve. The relief valve includes a valve portion formed in the flow path at a side of the side wall, and an inlet communicating with the flow path and opened and closed by the valve portion. The inlet is disposed above a liquid level of the cut-off valve in a fuel tank and is arranged to open upwardly. The liquid flow-out prevention valve can be made compact and operate reliably.

Abstract: A valve for detecting a liquid surface used in a fuel tank is formed of a valve body having an orifice at an upper part thereof, a plurality of bottom through-holes formed at a bottom part thereof, and a plurality of surrounding wall through-holes formed at a surrounding part thereof; a valve member movably disposed inside the valve body to close the orifice; and an urging member for moving the valve member in cooperation with buoyancy of the valve member so as to close the orifice. In the valve of the invention, the diameter of the orifice is set to be larger than the diameter of the bottom through-holes, and also larger than a diameter of the surrounding wall through-holes. Therefore, the orifice can be prevented from being clogged by foreign substances.

Abstract: A float valve device for a fuel tank of an automotive vehicle. The float valve device comprises a valve body installed to an upper wall of the fuel tank. The valve body is formed thereinside with a communication passage for establishing communication between inside and outside of the fuel tank. A valve mouth member is fixedly disposed inside the communication passage and includes a lower end section having a peripheral portion defining thereinside a valve opening which forms part of the communication passage. A float is disposed inside the valve body and movable relative to the valve opening in accordance with a level of the liquid in the fuel tank. A rubber member is securely disposed at an upper section of the float. The rubber member has a sealing face which is substantially flat and contactable with the peripheral portion of the valve mouth member to close the valve opening upon ascending of the float.

Abstract: A lead frame and a semiconductor device wherein a through hole is formed in the center of a semiconductor chip-mounting surface of a chip pad at the center of the lead frame, the through hole being tapered or being one which corresponds to a surface area that is greater on the surface of the chip-mounting surface of the chip pad than on the surface of the side opposite to the chip-mounting surface thereof. This prevents the occurrence of cracks in the sealing plastic portion in the step of reflow soldering of the lead frame to the substrate.