"That the automobile has practically reached the limit of its development is suggested by the fact that during the past year no improvements of a radical nature have been introduced."
Scientific American ; Jan. 2 edition, 1909
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| Number | Title | Issue Date |
| 8016264 | Rotary-valve and adsorption separation system A rotary valve comprising sliding members for supplying treatment gas containing water vapor to a plurality of treatment processes is provided. The rotary valve comprises sliding members (1, 2; 4, 6), through which open flow passages (8, 9, 10), having... | 09/13/2011 |
| 7744061 | Butterfly valve with flow straightening A butterfly valve comprises a valve shaft placed across a flow passage and a plate-like valve element provided on the valve shaft so as to be rotatable about the valve shaft to regulate a flow rate of fluid in the flow passage. The valve element has a section that g... | 06/29/2010 |
| 7694938 | Distal rate control device A distal rate control device, which can be conveniently interposed between a fluid supply line and fluid delivery line for precisely controlling the rate of fluid flow toward the delivery line. The device includes a readily adjustable flow rate control device having... | 04/13/2010 |
| 7607639 | Valve structure The present invention provides a rotary valve structure, which has a rotary water passage structure including a switching component and fixed hole. A first water-guide portion and second water-guide portion are placed laterally onto the switching component, whilst a... | 10/27/2009 |
| 7371052 | Embedded fluid mixing device using a homopolar motor A fluid displacement device (100) having a homopolar motor (110). The homopolar motor includes a rotatable disk (115) with at least one fluid displacement structure (120) disposed thereon. The fluid displacement structure can be a blade. ... | 05/13/2008 |
| 7367544 | Apparatus and method for replacing existing actuator zone valves in an HVAC system with a ball valve An apparatus and method are provided for replacing existing actuator driven zone valves in an HVAC system, and particularly valves of the rubber paddle type having actuators providing less than 90 degrees of rotation, with a ball valve including a skewed seat bearin... | 05/06/2008 |
| 7347407 | Rotation speed regulating mechanism for pneumatic tools A rotation speed regulating mechanism for pneumatic tools includes a movable airflow knob coupled on the periphery of an air intake member through screw threads. The airflow knob can be turned to adjust the size of an air inlet of the air intake member in a stepless... | 03/25/2008 |
| 7325572 | Flow restrictor device for a medical apparatus A medical apparatus flow restrictor includes a housing having an inlet and an outlet, and a fluid flow path defined through the housing between the inlet and outlet. At least one pair of opposed restriction surfaces are provided in contact with each other within the... | 02/05/2008 |
| 7322559 | Plug valve having high flow resolution The invention relates to a valve with high flow resolution within a flow range, which valve comprises a valve housing and a valve plug, whereby the valve plug comprises a cavity and a flow regulating slit which in cooperation with the valve housing forms a flow pass... | 01/29/2008 |
| 7316384 | Electric control valve The electric control valve, in which a throttled flow rate is quantitatively determined by the groove 16 by a rotating position of the valve body 20, the valve seat surface projects like a band from a border band 16C drawing an outline of the gr... | 01/08/2008 |
| 7293411 | Energy scavengers which adjust their frequency by altering liquid distributions on a beam A selectively configurable beam and systems utilizing such are disclosed. The distribution of mass of the beam can be selectively adjusted or altered by adjusting one or more characteristics of the beam. Specific strategies utilizing continuous electro-wetting, and ... | 11/13/2007 |
| 7287550 | Assembly consisting of a valve member and adjustment device for a vehicle servo-steering arrangement An assembly consists of a valve shaft, a valve member and an adjusting device which can alter the angle alignment of the valve member relative to the valve shaft. ... | 10/30/2007 |
| 7273068 | Electric driven, integrated metering and shutoff valve for fluid flow control A fuel control valve (100) includes a rotary throttling valve assembly (4,7) providing one or more of the benefits of being lightweight, having a relatively low power consumption, having a fail-closed structure and/or zero leakage. The fuel control val... | 09/25/2007 |
| 7261276 | Flow regulator valve An apparatus such as a multiple orifice valve (MOV) for controlling a flow of pressurized fluid. A housing directs the flow from an inlet to an outlet and supports an interior stationary surface. A moveable surface selectively impedes the flow and is disposed in fac... | 08/28/2007 |
| 7255209 | Integrated suspension system for vehicle An integrated suspension system includes a cylinder that hermetically contains gas therein; a piston that has a motor at an upper portion thereof; a disk unit including a second disk that has a plurality of passage holes formed there through and a bottom surface cou... | 08/14/2007 |
| 7240691 | Rotary bleed valve assembly A rotary bleed valve (10) for a gas turbine engine comprises a passage (11) connecting high pressure gases from a compressor to an exhaust and a valve member (12), the valve member (12) may be rotated within the passage (11)so as t... | 07/10/2007 |
| 7237759 | Air intake control device for internal combustion engine and air intake control device for gasoline engine An air passage 2 is provided with an air passage groove 5 that supplies a required volume of air to the side downstream from the fully closed position of a valve body for control purposes. Further, a taper is formed in such a way that a predetermined v... | 07/03/2007 |
| 7234613 | Granular material quick change valve assembly A valve assembly including a downwardly directed funnel, a substantially cylindrical body position within a cylindrical base and a cylindrical valve within the cylindrical body atop of the funnel includes a baffle, a latch and a planar semi-circular surface about wh... | 06/26/2007 |
| 7234444 | Emission gas recycling equipment having butterfly valve Emission gas recycling equipment includes a passage for recycling a part of an emission gas and a control valve for controlling an amount of the part of the emission gas. The control valve includes: a housing having a pipe portion; a butterfly valve accommodated in ... | 06/26/2007 |
| 7213609 | Control system for high pressure oil wells A pressure reducing valve assembly for a high pressure oil well comprised of a hollow housing and a metering assembly disposed within such housing, such metering assembly comprising an entry liner having an entry bore, an exit liner having an exit bore, and a rotata... | 05/08/2007 |
| 7204478 | Height control valve with universal mounting for a suspension system A height control valve for use in a vehicle suspension system for controlling the ride height of the trailer, the height control valve provided with a universal mounting for allowing greater flexibility in the mounting of the height control valve to a vehicle frame,... | 04/17/2007 |
| 7201360 | Pneumatic device having a selectively variable orifice A pneumatic device having a selectively variable pneumatic output comprises an inlet connectable to an air source and an outlet disposed in a flow path, a control assembly in the flow path and having a plurality of differently sized primary orifi. The control assemb... | 04/10/2007 |
| 7195229 | Automatic sampler In a direct injection type automatic sampler, a sampling needle having a liquid sample collected from a sample vessel by using suction force of a pump is inserted into an injection port. Then, a flow path-switching valve is rotated to switch a flow path to make a fl... | 03/27/2007 |
| 7185878 | Control device for the throughput in a conduit portion or similar A control device for the throughput in a conduit portion a is provided. The device comprises a valve or a flap composed of a body mounted on a rotary support shaft and being displaceable between a position of maximum closure and a position of minimum closure by pivo... | 03/06/2007 |
| 7175612 | Suction limiting device with variable control A suction limiting device with variable control for use in a surgical system includes a main vent body having a fluid carrying bore extending therethrough and a variable vent mechanism having a main vent opening in selective fluid communication with the fluid carryi... | 02/13/2007 |
| 7174877 | Throttle valve opening and closing device The invention is intended to simplify a default mechanism of a throttle valve opening and closing device for the purpose of improving mountability of the device to a vehicle. When a motor generate no driving forces, a throttle valve is held in a position (1) ... | 02/13/2007 |
| 7152845 | Cock comprising indexable rotating key A cock has an indexable rotating key. Indexing is achieved by a raised element on a shaped base of a housing of a barrel, and a ring which is formed at the end of the key and which is elastically deformable in a transverse plane. The raised element and ring form stu... | 12/26/2006 |
| 7147000 | Covering device for drain A covering device for a drain includes a first cover and a second cover. The first cover defines a plurality of openings. The second cover defines a plurality of openings corresponding to the openings of the first cover. The second cover is rotationally connected to... | 12/12/2006 |
| 7143786 | Two-handle flow-through valve A flow-through valve is provided and includes a housing connecting first and second ends to allow fluid flow from the first end to the second end. The first end includes first and second inlet ports, while the second end portion includes an outlet port. The flow-thr... | 12/05/2006 |
| 7111643 | Flow characterization in a flowpath An apparatus and method are provided for modifying a flow characteristic, such as a valve characteristic, through use of a flow characterizing device having a segmented flow characterizing channel therein including three or more discrete segments, at least one of wh... | 09/26/2006 |
| 7101132 | Bolt fastener The present invention relates to a connecting arrangement, comprising a bolt element having a shank (4) and comprising at least one washer which can be pushed onto the shank (4), the shank (4) and the washer having such a code that the washer ca... | 09/05/2006 |
| 7093818 | Embedded control valve using homopolar motor A method for controlling fluid flow. A fluid (560) can be communicated to a first fluid flow port (105) disposed adjacent to a first surface (196) of a rotatable disk (115) of a homopolar motor. The fluid can flow through at least one ori... | 08/22/2006 |
| 7087036 | Fail safe system for operating medical fluid valves A method, system and apparatus for performing peritoneal dialysis are provided. To this end, in part, a cam arrangement for operating a series of valves in cooperation with a pump that pumps fluid to and from a patient, the valves including a supply valve, a drain v... | 08/08/2006 |
| 7083159 | Precision flow-control device using multiple shutters This invention relates to a shutter device for the precision control of a flow, comprising at least one organ for shutting a section for the passage of a flow, the motion of which is proportional to that of an actuator controlling it, wherein said device comprises a... | 08/01/2006 |
| 7073774 | Air intake adjusting assembly for pnuematic tools This invention discloses an air intake adjusting assembly for pneumatic tools, which rearranges the air intake adjusting assembly between the main body and the air intake section of a pneumatic tool, such that the air intake adjusting assembly will not be covered wh... | 07/11/2006 |
| 7063302 | Sample valve with integral sample shut off function for chromatograph A multiple port valve integrated with the function of the sample shut off valve is disclosed. The integration of the sample shut off function eliminates extra plumbing and labor costs associated with a separate sample shut off valve. Additionally, the multiple port ... | 06/20/2006 |
| 7028927 | Flowrate control device, in particular for medical use The invention concerns a device comprising two components connected to each other with possible displacement of one component relative to the other, sealing means arranged between said two components, and flow rate adjusting means actuated by displacement of one com... | 04/18/2006 |
| 7013914 | Throttle valve The present invention relates to a throttle valve, particularly for controlling a liquid flow in a central heating or an air conditioning system, with a flow control unit having a first and a second element (18, 30), which are movably mounted relative to each... | 03/21/2006 |
| 7004453 | Pendulum valve with a full range of position control Embodiments of the present invention provide a pendulum valve with a full range of normal position control. The pendulum valve can include a valve housing having a flow channel, and a valve body that is movable within the valve housing between a fully open position ... | 02/28/2006 |
| 6994277 | Accessory for faucet An accessory is easily attached to a faucet and is easily manipulated to increase the pressure of water flowing from the faucet. The accessory includes two plates, one of which is movable relative to the other one. Each plate has a plurality of water flow holes thro... | 02/07/2006 |