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Match Document Document Title
7415921 Apparatus for preparing a beverage suitable for consumption, such as coffee  
An apparatus for preparing a beverage provided with a storage tank, a heater and a three-way valve. The three-way valve is provided with in inlet, a first outlet and a second outlet. The three-way...
7140404 Integral in tank vent construction for pressure based level monitors  
A method and apparatus are provided for monitoring a liquid level in a closed tank with a differential pressure sensor module disposed in a bottom portion of the tank, by routing a pressure...
7128086 Flow control valves  
In one embodiment, a flow control valve includes a valve body having an inlet, an outlet, a flow passageway coupling the inlet to the outlet, and a cavity with first and second chambers. The valve...
7013913 Flow control valve  
In a flow control valve, a spool is fitted into a cylindrical body including an input port and an output port. A spring is disposed between the spool and a flow rate setting plug at an end of the...
6966329 Proportional pilot-operated flow control valve  
A proportional, pilot-operated flow control valve is disclosed which can include a cage, a hollow compensating spool slidably disposed within the cage, a hollow metering guide member slidably...
6932107 Flow control valves  
In one embodiment, a flow control valve includes a valve body having an inlet, an outlet, a flow passageway coupling the inlet to the outlet, and a cavity with first and second chambers. The valve...
6895995 Liquid flow regulator  
A flow regulator particularly for sub-sea chemical injection at low continuous rates includes a piston moveable in response to differential pressure and controlling via a lever connection an inlet...
6827100 Pressure independent control valve  
Simple APCV, ADPCV and PICV's are provided. The APCV's are referenced to the atmosphere and control the gauge pressure, either upstream or downstream. The ADPCV's are the same as the APCV's,...
6805156 Constant flow valve and constant flow mixing method  
A constant flow valve not allowing a controlled fluid to remain standing in it and not contacting the controlled fluid except at diaphragms, enabling simple adjustment of differential pressure, and...
6729346 Pneumatic valve  
A pneumatic valve, includes a housing having first and second ports for entry and exit of an operating gas, a main connection line for linking the ports, and a cross bore intersecting the main...
6725880 Constant flow control valve  
The present invention relates to a regulating valve for regulating and automatically controlling a fluid for a constant flow, comprising a valve body, a valve stem in the body, a pressure...
6688319 Flow regulating control valve and method for regulating fluid flow  
According to one aspect of the invention, a fluid regulating control valve includes a housing having an upstream region and a downstream region and having a control orifice formed therein adjacent...
6662823 Auto flow regulator  
Quantity of fluid can be more precisely controlled without disassembling the valve by an automatic flow control valve, which can be quietly operated and repaired and maintained in simple and easy...
6598618 Flow regulator  
The invention relates to a variable flow regulator adopted to provide accurate flow rates at low flow and ultra low flow rates. The regulator comprises a wide-range flow regulator for low fluids...
6467501 Fluid flow controller having axial needle valve for adjusting the flow rate  
A fluid flow regulator in which fluid is passed through an impeller chamber having a pressure differential-operated impeller piston for monitoring changing inlet and outlet fluid pressures to...
6461104 Flow regulator for a water pump  
A flow regulator for a water pump, comprising a control valve. The control valve is mounted on an inlet pipe of a water pump and has a chamber, housing a flat-shaped control plate, the upper part...
6314980 Pressure compensator flow control  
A pressure compensating flow control device is disclosed which has a needle valve/spring assembly as a reference restriction which is in axial alignment with a reducing valve situated in a housing...
6276491 Regulator for adjusting the fluid flow in a hydrostatic or aerostatic device  
A controller for controlling a medium flow fed from a supply to at least one hydrostatic or aerostatic pocket of a bearing, a threaded spindle nut or a guide, having a housing and having pressure...
6273126 Flow regulator for water pump  
A flow regulator for a water pump, working in conjunction with a water pump, having a pump, an inlet pipe, an outlet pipe with a water pressure, and a container. The flow regulator comprises: a...
6263905 Automatic regulating valve apparatus  
An automatic regulating valve apparatus comprises a main valve unit, and a pilot valve unit operatively connected to the main valve unit to control the main valve unit. The main valve unit...
6254576 Pressure-responsive flow regulator and drug delivery devices employing the same  
A fluid flow regulator of a type having a variable outlet defined by a spacing between an outlet aperture and a flexible diaphragm, and in which the position of the flexible diaphragm varies as a...
6230734 Flow-rate controller  
A flow-rate controller comprises hollow casing 1, main 2 and additional 3 outlet branch pipes, and outlet branch pipe 4. Piston-type slide valve 13 with skirt 14 is located between front 5 and rear...
6220281 Regulator for use with apparatus having a hydrostatic or aerostatic pocket  
The invention pertains to a regulator for regulating a medium flow to at least one hydrostatic or aerostatic pocket of a bearing, a nut for threaded spindles or a guidance from a medium supply,...
6189564 Metering valve  
The present invention provides adjustable flow control valves 10 for controlling flow of a fluid from a fluid supply. The valves of the present invention can accurately regulate a wide range of...
6167906 Bi-directional flow control valve  
A bi-directional flow control valve includes a two-port housing, and a hollow cage within the housing. The hollow cage has rows of cross-sectional holes that communicate with the ports. A hollow...
6167904 Hydraulic valve  
A hydraulic valve with a housing, having an inlet connection and an outlet connection with a hollow space between them, in which a valve slide is arranged to reciprocate, and, depending on its...
6164321 Liquid flow regulator for use in infusion sets  
There is provided a liquid flow regulator, having a split housing (2) including an upper portion (4) connectable to a source of liquid to be dispensed, the upper portion having an inlet port (10)...
6110427 Flow regulator to maintain controllable volumetric flow rate  
A flow regulator is provided which comprises a housing defining a chamber therein and including inlet and outlet ports that are adaptable to allow fluid to flow into and out of the chamber. A...
6076548 Regulator for use with apparatus having a hydrostatic or aerostatic pocket  
The invention pertains to a regulator for regulating a medium flow to at least one hydrostatic or aerostatic pocket of a bearing, a nut for threaded spindles or a guidance from a medium supply,...
6068021 Directional control valve  
A 2-way fitted valve (2) includes a main piston (6) guided in a valve bush (4) and allowing flow of a hydraulic fluid therethrough, whereby an inlet port (B) is connected with an outlet port (A)....
6062257 Flow control valve with integrated pressure controller  
A flow control valve has two successively arranged throttle locations. The first throttle location serves as an adjusting member for the through-flow. The second throttle location controls the...
6026849 High pressure regulated flow controller  
A flow regulator having a first and second stages of regulation. The first stage is a pressure regulation stage that maintains the pressure within an intermediate chamber (formed by a series of...
5996615 Flow-control valve  
Disclosed is a 2-way flow control valve whereby a constant hydraulic fluid volume flow may be adjusted by serial arrangement of a restrictor orifice and a control orifice. In the case of a reverse...
5988211 I.V. flow controller  
An I.V. Flow Controller incorporating an adjustable, differential pressure regulator that provides a constant but adjustable differential pressure across a fixed orifice. One end of the adjustment...
5983926 Flow control valve  
A first pressure chamber and a second pressure chamber are provided with means for continuously exerting a constant inward pressure on a first diaphragm part and a third diaphragm part...
5979495 Adjustable low flow high pressure regulator  
A low flow, high pressure fluid regulator in which fluid is passed successively through two impeller chambers, each having a pressure differential operated impeller for monitoring changing inlet...
5971012 Constant flow control valve having matable piston sleeve and outlet cover  
A valve comprises a valve body having an inlet and an outlet defining a flow passage through the valve body. A piston is mounted in a bore intersecting the flow passage and the piston divides the...
5941267 Electrically controlled flow regulator valve with transient dampening  
An electrically controlled flow regulator valve assembly having a diaphragm operated pressure regulator valve with a solenoid operated valve for by-passing the diaphragm to control flow to the...
5913328 Flow control valve with one piece plug/valve tube sleeve assembly  
A fluid flow control valve having a plug opening with a plug having a central passage for discharging fluid from the controller. The plug opening has a smaller cylindrical guide surface, threaded...
5904177 Fluid flow control device  
A system for controlling fluid flow to an approximate constant rate is disclosed. The system includes a housing, a flow control element, a cutout formed in the flow control element, a valve...
5878766 Pressure compensated flow control valve  
A fluid flow control valve and method for operating which maintains the rate of flow of fluid therethrough at a substantially constant rate regardless of variations in pressure of the fluid flowing...
5839467 Micromachined fluid handling devices  
The fluid handling devices are capable of accurately handling substantially continuous fluid flow rates as low as about 0.01 cc/day. The devices are so miniaturized, corrosion-resistant and...
5806558 Flow control valve with impeller having spherical edge  
A fluid-flow controller having an internal impeller. The impeller is reciprocally mounted within an orifice sleeve and has a peripheral surface engaging the sleeve forming a segment of an imaginary...
5806557 Water-operated hydraulic control valve  
A water-operated hydraulic control valve is disclosed, having a throttling device which comprises a throttling element (20) which is in the form of a piston which cooperates with a substantially...
5775369 Flow regulating valve  
A flow regulating valve combines two throttle locations in a valve housing. One throttle location is always so adjusted that a constant differential pressure prevails across the other throttle...
5709749 Solvent supply for paint sprayer  
A cleaning apparatus (10) for removing residual paint from flow passages in a spray painting system comprises a flow passage (12) for conveying paint to a spraying device (14) and a manifold (16)...
5664600 Process-chamber flow control system  
To control the flow of air into andr out of a process chamber, such as a clean room, a two-stage system is disposed within each of several parallel conduits leading into and/or out of the...
5647394 Control valve  
A control valve is disclosed, having a housing which has an input port and an output port that are connected to one another by a flow path in which a throttling device is arranged. It is desirable...
5642752 Controllable constant flow regulating lift valve  
The present invention relates to a controllable constant flow regulating lift valve of a direct-acting automat ic control type that operates on an operating force derived from the condition of a...
5638861 Changeover valve and flow control valve assembly having the same  
A flow control valve assembly has a high degree of liquid-tightness and good flow controllability, even if a high-pressure, low-viscosity fluid is used. A housing of the valve assembly is formed...
Matches 1 - 50 out of 537 1 2 3 4 5 6 7 8 9 10 11 >