Quotables
"Flight by machines heavier than air is unpractical and insignificant, if not utterly impossible."
Simon Newcomb, astronomer ; Said in 1902, less than two years before the first flight at Kitty Hawk
PatentStorm News
Make the Most of Our Site
See this month's Top Inventors and Most Cited Patents.
Stay on top of the latest innovations by subscribing to an RSS feed.
Registered users: Manage your profile.
| Number | Title | Issue Date |
| 7370729 | Breather device for speed-change devices In a breather device linking a space within a transmission case (1) to outside air, a breather (10) is provided at a middle position in a lengthwise direction on an upper portion of the transmission case, in particular, at a position displaced in an ax... | 05/13/2008 |
| 7341074 | Multi-stage pressure regulator A pressure regulator that has particular application for an anode input side of a fuel cell system to provide the desired large turn-down ratio. The pressure regulator includes at least two valves positioned in parallel where the first valve is smaller than the seco... | 03/11/2008 |
| 7328593 | Refrigerant valve arrangement A refrigerant valve arrangement is described, having a housing which has a first functional space, in which there is arranged at least one functional element, which co-operates with a first annular contact surface formed in an internal boundary wall. It is desirable... | 02/12/2008 |
| 7287616 | Transmission case and dipstick assembly The present invention provides a motorcycle including a front wheel, a rear wheel, a frame supported by the front and rear wheels, a crankcase, a transmission case coupled to the crankcase, a transmission access door coupled to a side of the transmission case, and a... | 10/30/2007 |
| 7255127 | Vacuum regulator and intermittent flow device A vacuum regulator and intermittent flow device are disclosed. Vacuum regulation is achieved via spring forces acting on a movable piston-tube assembly disposed within a regulator body having a cylindrical hollow interior. Vacuum is supplied to an input port and reg... | 08/14/2007 |
| 7219689 | Automatically flushing water regulator for animal watering systems A water pressure regulator for a watering system of an animal house is provided with a water inlet member comprising a watering path and a flush path. The watering path is operably engaged by the regulating valve. The inlet member is manually movable relative to the... | 05/22/2007 |
| 7182171 | Muffler with variable acoustic properties A muffler with variable acoustic properties. A pressure cell with a diaphragm, a spring, a piston, a piston rod, a closing element on the piston rod, and a pressure connection line are integrated into a housing. The diaphragm is thermally insulated against the pisto... | 02/27/2007 |
| 7121293 | Tri valve backflow preventer A tri valve backflow preventer having parts and materials preferably consisting of steel nuts and bolts, ductile iron operating nuts, nitrile rubber O-rings, nitrile rubber gaskets, manganese bronze valve adjusting stems, valve wedge gates made of ductile iron encap... | 10/17/2006 |
| 6901752 | Exhaust processor with variable tuning system and method of operating such exhaust processor An exhaust processor has an exhaust tube and a cover mounted for rotation at least partially around the exhaust tube to adjust the tuning frequency of the exhaust processor. A method of operating the exhaust processor is also disclosed. ... | 06/07/2005 |
| 6488046 | Pressure reducer for compressed gases Pressure reducer for compressed gases, comprising at least one regulation stage constituted by a chamber divided by a first membrane (25) into two chambers (23, 24), one of which said chambers (24) is maintained at a reference pressure and the other (23) ... | 12/03/2002 |
| 6405754 | Modular multiple output pneumatic pressure valve A multiple output modular pneumatic pressure valve has a plurality of modules connected together. Each module has a regulator, shuttle valve and four way solenoid actuated spool valve for provides a plurality of pneumatic pressures to a single outlet whic... | 06/18/2002 |
| 6260568 | Apparatus and method for supplying uninterrupted gas An apparatus and a method for supplying uninterrupted gas by using an automatic switching gas supply system are provided. In the apparatus, a main gas supply source and at least one back-up gas supply source are provided which are connected by a plurality... | 07/17/2001 |
| 6257277 | Modular multiple output pneumatic pressure valve A multiple output modular pneumatic pressure valve has a plurality of modules connected together. Each module has a regulator, shuttle valve and four way solenoid actuated spool valve for provides a plurality of pneumatic pressures to a single outlet whic... | 07/10/2001 |
| 6227231 | Pressure/flow rate control valve Disclosed is a pressure/flow rate control valve comprising a pressure-adjusting section having a valve plug for reducing the pressure of a pressure fluid flowing through a clearance between a hole and itself, a stem which is displaceable integrally with t... | 05/08/2001 |
| 6079957 | Soft start valve A fluid pumping apparatus (10) includes a soft start valve (16) coupled with the outlet of a pump (14) driven by an electric motor (12) for reducing the startup current of the motor (12). The preferred valve (16) includes a fluid chamber (32), a valve ope... | 06/27/2000 |
| 6021797 | Automatic by-pass valving systems and methods A method of controlling insulating fluid flow between fluid channels in sections of an electrical power cable at different elevations, the channel of one section being isolated from the channel of a next adjacent section by a hydraulic stop, to limit the ... | 02/08/2000 |
| 6016826 | Automatic center cavity equalizing valve An automatic center cavity equalizing valve for equalizing pressure in a main valve. The equalizing valve includes a body with a bore for providing fluid communication between an upstream port and a center cavity port, and a downstream port and the center... | 01/25/2000 |
| 5944257 | Bulb-operated modulating gas valve with minimum bypass A multi-way valve unit which provides low pressure unregulated gas flow and high pressure regulated gas flow in an integrated gas control system. A main and bypass diaphragm valves control gas flow through the gas valve system, the main and bypass valves ... | 08/31/1999 |
| 5931182 | Pressure reducing valve A pressure reducing valve assembly (10) includes an elongated tubular body (12), a pressure reducing valve (16) for reducing the fluid pressure discharged from the valve assembly, a pressure relief valve (18) for permitting fluid to discharge from the val... | 08/03/1999 |
| 5823226 | Automatic variable-demand flow regulator A variable-demand flow regulator regulates water flow into a building based on variable water supply and variable demand pressures. When water demand increases downstream of the variable-demand flow regulator, the water pressure decreases on the downstrea... | 10/20/1998 |
| 5728942 | Fluid pressure measuring system for control valves A system for improving fluid pressure measurement in a control valve includes placing a flow conditioner adjacent to and upstream from averaging channels located at the inlet and outlet of the control valve, from which averaging channels the fluid is cond... | 03/17/1998 |
| 5704390 | Automatic variable demand flow regulator An automatic variable demand flow regulator regulates water flow into a building based on variable supply and demand pressures. The regulator is positioned between a building and a water supply meter for the building. The regulator includes a piston that ... | 01/06/1998 |
| 5694966 | Flow responsive pressure regulating unloader A flow responsive pressure regulating unloader suitable for use between a positive displacement fluid pump and a fluid consuming device connected to the pump. The unloader includes a housing having an inlet port connected to an outlet port, and a by-pass ... | 12/09/1997 |
| 5626403 | Brake pressure regulator A brake pressure regulator comprising a hydraulically actuable slide valve integrated in a receiving bore within the valve accommodating body. The slide valve, in response to the switching position of the electromagnetic valves, controls the pressure flui... | 05/06/1997 |
| 5597011 | Flow regulator A regulator including a movably, preferably hingedly, mounted member having a distal face, exposed to a reference pressure, and a frontal face, exposed to fluid passing through the regulator. Attached to the member is a structure that variably impedes flu... | 01/28/1997 |
| 5435347 | Exhaust systems for motorized vehicles An exhaust brake arrangement is provided for selective operation to facilitate braking of a vehicle such as an over-the-highway truck. The exhaust brake operates by selectively generating back pressure to the exhaust flow system, and thus drag on the engi... | 07/25/1995 |
| 5429072 | Pressure reducer for an animal watering trough Pressure reducers (15) for animal watering troughs serve for reducing the water pressure of a water supply pipe which feeds the watering line to a defined, lower watering pressure. In contrast, water of a higher rinsing pressure is required for rinsing th... | 07/04/1995 |
| 5358004 | Pressure fluid stabilized regulator with leakage orifice A fluid pressure regulator includes a diaphragm operated leakport controlling low liquid or fluid flow rates. A precisely formed leakage unit spaced from the leakport establishes continuous flow from the input to the output. The leakage unit includes an o... | 10/25/1994 |
| 5255710 | Process-chamber flow control system To control the flow of air into and/or out of a process chamber, such as a clean room, a two-stage system is disposed in conduits leading into and/or out of the process-chamber. One stage includes a regulator, which has a plenum disposed between the envir... | 10/26/1993 |
| 5158107 | Gas regulator with adjustable safety device A gas regulator with an adjustable safety device has a main body, and two pressure regulators inside the body to regulate the gas pressure inside the body at a stabilized value to flow to a gas stove or the like. The regulator also has a micro adjusting d... | 10/27/1992 |
| 5154693 | Flow control device having selectable alternative fluid pathways A flow control device for use in a subcutaneously implanted physiological shunt system includes a relatively rigid base and a resiliently flexible encasement which defines a fluid flow path therethrough from an inlet to an outlet. Two valves for controlli... | 10/13/1992 |
| 5129422 | Transmission breather control valve This invention relates to automatic transmissions and more particularly to valves for controlling and limiting automatic transmission breathing to reduce oxidation of the operating fluid fill. The valve permits relief of any residual pressure within the t... | 07/14/1992 |
| 5127313 | Pressurized oil supply/discharge circuit and valve device for use in said circuit A check valve (14) with a valve opening actuator function and a bypass opening/closing valve (17) are disposed in parallel in a pressure oil supply/discharge passage (3) connected in communication with a hydraulic actuation chamber (2). The opening/closin... | 07/07/1992 |
| 4880030 | Safety flow control fluid shutoff device A device for use as a safety device to cut off the water supply to a house or building in the event of overly high water consumption due to a leak or break in the plumbing in the house or building is disclosed which has only three moving parts and is of s... | 11/14/1989 |
| 4796652 | Pressure regulator for hydraulically controlled machine tools A pressure regulator for hydraulically controlled machine tools comprises a first directly controlled three-way pressure-regulating valve with which required work pressure can be set by a machine control system. In addition to a first surface, the control... | 01/10/1989 |
| 4706704 | Fuel control valve construction, parts therefor and methods of making the same A fuel control valve construction, parts therefor and methods of making the same are provided, the construction having a housing provided with an inlet adapted to be interconnected to a fuel source and an outlet adapted to be interconnected to a burner. T... | 11/17/1987 |
| 4656827 | Fuel metering system for a gas turbine engine A fuel metering system for a gas turbine engine is disclosed which includes two rotating flowmeters connected to the fuel supply circuit in parallel. The speed of the flowmeters are controlled by a pair of braking motors and tachometers are provided in ea... | 04/14/1987 |
| 4610269 | Fuel control valve construction A fuel control valve construction is provided, the construction having a housing provided with an inlet adapted to be interconnected to a fuel source and an outlet adapted to be interconnected to a burner. The housing has a main pressure regulator and a m... | 09/09/1986 |
| 4549571 | Fuel control valve construction, parts therefor and methods of making the same A fuel control valve construction, parts therefor and methods of making the same are provided, the construction having a housing provided with an inlet adapted to be interconnected to a fuel source and an outlet adapted to be interconnected to a burner. T... | 10/29/1985 |
| 4498471 | First and second stage regulator system for breathing gas A first and second stage breathing gas regulator having a first stage redundant piston assembly with a first piston encompassing a second piston. In the eventuality the first piston fails, the second piston provides regulated gas. A safety alarm is provid... | 02/12/1985 |
