| FUJIKOKI CORPORATION Patent applications |
| Patent application number | Title | Published |
|---|
| 20120091375 | ELECTRICALLY OPERATED VALVE - An electrically operated valve for controlling a flow rate of cooling medium in a refrigeration cycle is disclosed. The electrically operated valve has a first movable valve body, and a second movable valve body having a first valve seat. The second valve body comes into contactable with second and third valve seats each having larger diameter than the first valve seat. The electrically operated valve comes to a closed state when second valve body seats on second or third valve seat, while first valve body seats on first valve seat. When a power supply is turned on, second valve body comes away from second valve seat to provide a large flow rate. When second valve body seats on third valve seat, the flow is interrupted, and thereafter, when first valve body moves away from first valve seat, the flow rate can be controlled to be small. | 04-19-2012 |
| 20120068098 | PLANETARY GEAR MECHANISM AND MOTOR-OPERATED VALVE USING THE SAME - The invention provides a planetary gear mechanism achieving a greater reduction gear ratio without increasing the number of teeth of the gears, thereby enabling downsizing. In a planetary gear mechanism | 03-22-2012 |
| 20120056113 | VARIABLE DISPLACEMENT COMPRESSOR CONTROL VALVE - A variable displacement compressor control valve is provided, which can reduce a time required until a discharge capacity becomes large at a time of actuation of a compressor without reducing an operation efficiency of the compressor. An in-valve release passage for releasing a crank chamber pressure Pc to a suction chamber of the compressor through a Ps inlet/outlet port is provided, a sub valve element which opens and closes the in-valve release passage is provided, and under a situation in which a valve port is closed by a main valve element, two forces that are a force corresponding to a suction pressure Ps (contraction force of a bellows device) and a force corresponding to a differential pressure of the crank chamber pressure Pc and the suction pressure Ps act on the sub valve element in a direction to open the in-valve release passage. | 03-08-2012 |
| 20120024398 | MULTI-WAY REVERSING VALVE - A multi-way reversing valve where a high-pressure passage part into which a high-pressure fluid is introduced is formed in a valve member. A valve seat part and valve chamber are in a valve body. First and second inlet/outlets (in communication with an outlet of the high-pressure passage part) are formed in the valve seat part. A low-pressure fluid is introduced into the valve chamber via the first or second inlet/outlet. An outlet-side end part of the high-pressure passage part is adapted to slide while pressed against a part of the valve seat part between the first and second inlet/outlet during a transitional stage of flow path reversal. The positions/dimensions/shapes of the outlet of the high-pressure passage part (and the first, second inlet/outlets) are designed so the high-pressure passage part outlet is in communication with at least one of the first/second inlet/outlet even during the transitional stage of flow path reversal. | 02-02-2012 |
| 20120020814 | CONTROL VALVE FOR VARIABLE DISPLACEMENT COMPRESSOR - There is provided a control valve for a variable displacement compressor capable of directly connecting a plunger to a valve rod in a relatively easy way, and realizing an improvement in assemblability, reduction in costs, and the like. A connecting cylinder for directly connecting the plunger to the valve rod is provided. The valve rod is provided with a mushroom-like or flange-like part. The connecting cylinder is provided with an elastic locking piece which, by pushing the mushroom-like or flange-like part into the elastic locking piece, is pushed and opened outward in a radial direction so as for the mushroom-like or flange-like part to pass through the elastic locking piece, and which, after the passing of the mushroom-like or flange-like part, is restored to an original shape due to elasticity which the elastic locking piece has, and locks the mushroom-like or flange-like part. | 01-26-2012 |
| 20110315906 | FEMALE SCREW MEMBER, MOTOR OPERATED VALVE USING THE SAME, AND METHOD FOR PRODUCING FEMALE SCREW MEMBER FOR MOTOR OPERATED VALVE - A female screw member includes a female screw part with a female screw, and a projection part projecting in the direction of a center shaft of the female screw and having a working face in the rotating direction centering on the center shaft. The female screw part and projection part are integrally molded with a resin. The projection part has a spiral inclination face spirally inclining by one round from the working face centering on the center shaft of the female screw. The height H of the working face is equal to or smaller than a pitch P of the female screw. Using the projection part as a fully opening fixing stopper, a motor operated valve includes a valve main body having a valve seat, the female screw member attached to the valve main body, a motor having a rotator and stator, and a valve shaft. The valve shaft is screwed to a female screw of the female screw member, and is rotated and driven by the rotor, and has a fully opening movable stopper capable of contacting the fully opening fixing stopper. | 12-29-2011 |
| 20110277862 | MULTI-WAY REVERSING VALVE - There is provided a multi-way reversing valve capable of preventing the obstruction of fluid circulation between in/out ports and a valve chamber without causing an increase in size. There is provided a laterally protruding part and a base end-side overhang part. The laterally protruding part protrudes significantly outward in the radial direction from rotational axis line O. The base end-side overhang part is continuous with the laterally protruding part, protrudes in the opposite direction to the protruding direction of the laterally protruding part, and is semi-circular or semi-elliptical in plan view. A surface of the laterally protruding part on the valve seat member-side is taken to be a reference surface. An amount corresponding to a predetermined thickness is removed from the reference surface at the base end-side overhang part, and a notch part that has been lowered in level by this removal is thus formed. | 11-17-2011 |
| 20110240160 | MULTI-WAY REVERSING VALVE - A multi-way reversing valve includes a valve housing having a valve seat part in which a plurality of fluid in/out ports are formed; a valve member adapted to be rotated; and an actuator adapted to rotationally actuate the valve member. A fluid inlet port and/or a fluid outlet port is/are formed in the valve housing. A passage adapted to selectively place the fluid inlet port or the fluid outlet port in communication with the plurality of fluid in/out ports is formed within the valve member. Flow paths are reversed by rotating the valve member to selectively place the fluid inlet port or the fluid outlet port in communication with one of the plurality of in/out ports via the passage. The rotational axis line of the valve member is laterally eccentric relative to the rotational axis line of an output shaft of the actuator by a predetermined distance. | 10-06-2011 |
| 20110232320 | FLOW REVERSING VALVE AND HEAT PUMP DEVICE USING SAME - A flow reversing valve includes a reversing valve main body adapted to assume a first circulatory state where a first main valve part is in a fully-open state and a second main valve part is in a fully-closed state and a second circulatory state where the first main valve part is in a fully-closed state and the second main valve part is in a fully-open state; and a flow regulating valve adapted to regulate the pressures of the respective back pressure chambers and of the first main valve part and the second main valve part. The flow regulating valve places the reversing valve main body in the first circulatory state by gradually reducing the pressure of the back pressure chamber of the first main valve part, and in the second circulatory state by gradually reducing the pressure of the back pressure chamber of the second main valve part. | 09-29-2011 |
| 20110226001 | CHANNEL SWITCHING VALVE AND HEAT PUMP SYSTEM USING THE SAME - A rotary type channel switching valve for use in a heat pump system is provided. The channel switching valve provides a plurality of channel switching means required when switching connection of a plurality of devices to parallel/series connection, e.g., in a system including the plurality of devices including inlet/outlet ports for a fluid. The channel-switching valve can play a role of a plurality of channel switching means which are required when connecting a plurality of heat exchangers in parallel when a refrigerant is passed in a normal direction, and when connecting a plurality of heat exchangers in series when the refrigerant is passed in a reverse direction, for example, in a heat pump including the plurality of heat exchangers, and thereby, can realize simplification of a configuration of the heat pump, reduction in an occupied space, cost and energy consumption, or the like. | 09-22-2011 |
| 20110008153 | DRAIN PUMP - A drain pump that maintains pump performance and reduces noise and vibration accompanying water scooping of a rotary impeller includes a large-diameter blade divided into an inner blade and an outer blade. A radius of an impeller scooping up water is the sum of the lengths of the inner and outer blades in a radial direction. The large-diameter blade is divided at a position where the amount of generated air bubbles is large, and the inner and outer blades are alternately disposed. Accordingly, air bubbles are escaped to a downstream side in a rotational direction, so that the intensity of the collision between the blades and air bubbles is decreased reducing noise caused by the burst of air bubbles and vibration caused by a collision load of the flow of a gas-liquid mixture. | 01-13-2011 |
| 20100237270 | EXPANSION VALVE - An expansion valve for reducing the quantity of material required for the valve body by contriving the arrangement of bolt fitting grooves. In the expansion valve ( | 09-23-2010 |
| 20100108925 | Multi-way selector valve - To provide a multi-way selector valve properly used for a vehicle, with a smooth flow path switching operation even in case of a large pressure difference between the inside and outside of a valve body, a reduced refrigerant passing noise at a time of switching a flow path, and an easy flow path switching operation, the multi-way selector valve includes a valve body | 05-06-2010 |
| 20090321967 | Auxiliary cooling apparatus - For fire prevention, an auxiliary cooling apparatus applied to an outdoor condenser of a refrigerating cycle is provided with a filter which has air permeability and is arranged to oppose to an ambient air intake port of the condenser, and cools ambient air by heat exchange between the ambient air sucked into the ambient air intake port through the filter and water supplied to the filter, lots of implanted fibers ( | 12-31-2009 |
| 20090294713 | Flow rate control valve - For stable use in a marine container, a flow rate control valve ( | 12-03-2009 |
| 20090242810 | Pressure control valve - A pressure control valve is provided with a valve main body ( | 10-01-2009 |
| 20090242041 | Pressure control valve - For downsizing, cost reduction, and better characteristic, a pressure control valve ( | 10-01-2009 |
| 20090241571 | Temperature sensing tube for expansion valve - To provide a temperature sensing tube for an expansion valve in which a hunting can be prevented by slowing of a temperature reaction rate of an expansion valve, a ceramic sintered member serving as a heat transfer delay member ( | 10-01-2009 |
