| Document |
Document Title |
|
WO/1996/021104A1 |
A fluid metering device, for instance for a fuel supply system of a combustion engine having combustion chambers, which fluid metering device comprises at least one supply line connection (1) and at least one discharge line connection (2...
|
|
WO/1996/018088A1 |
In order to enhance metering accuracy, in particular when the material feed is prone to sharp fluctuations, a method and a device are proposed for the continual gravimetric metered dispensing and mass flow rate determination of free-flow...
|
|
WO/1996/012990A1 |
A model predictive control apparatus and method for controlling the operation of a process (34) having a process input signal (Xk) and a process output signal (Yk), which includes determining a predicted process output signal (Yk+n+m+2) ...
|
|
WO/1996/010779A1 |
A control system and method for providing a non-linear response for a single input-single output system. A system output is measured and compared against a predetermined set point. An error signal from this measurement is used to identif...
|
|
WO/1996/007843A1 |
Gas control and dispensing assembly comprising a lower unit (1) which is mounted on a gas tank (4) and houses a regulator (10, 9) and an upper unit (5) which is mounted on the lower unit (1) by means of a threaded ring (24) and houses an...
|
|
WO/1996/007152A1 |
Flowrate in a liquid chromatography precision pump (100) employs a digital control system (128) with artificial intelligence (150). In a default flow mode, pump motor speed is controlled without using real-time pressure feedback, which s...
|
|
WO/1996/005090A1 |
The invention concerns a valve device comprising a valve housing (8) provided with a flow control valve, an electromagnetic actuator (1) arranged in series with the flow control valve in the valve housing (8), a piston (3) which forms th...
|
|
WO/1996/003166A1 |
The present invention provides an intravenous fluid flow regulator (10) for controlling the I.V. administration of medical fluid to a patient. The fluid flow regulator (10) provides a housing (12) having a top (18) and a bottom (20). A f...
|
|
WO/1996/002028A1 |
A differential pressure regulator (10) connected in a fluid system including a bypass line (20), a high pressure inlet (32), a compensation inlet (70) connected to the high pressure side of the system, a low pressure inlet (35) and a byp...
|
|
WO/1995/031241A1 |
Regulator valve for controlling a fluid, for example a gas flow, such as air, particularly for use in an anaesthesia device. The regulator valve comprises a valve housing (1) and a regulator housing (2). The valve housing has an inlet (3...
|
|
WO/1995/030938A1 |
An adjustable metering valve (10) includes an upper housing (12) and lower housing (16) that cooperatively define an internal valve chamber (30) having an inlet end (80) and an outlet end (42). An inlet port (20) opens into the inlet end...
|
|
WO/1995/029433A1 |
A valve positioner (26) controls operation of a valve (32) in a process control system. The valve positioner (26) is coupled to a process control loop (24a, 24b) over which it receives a signal representative of a desired valve position ...
|
|
WO/1995/023365A1 |
A device including a cavity defined by walls (17) having a feed opening (18) and an outlet (19) for the fluid material (m). The outlet (19) is connected to a nozzle (20). The device is suitable for measuring, controlling and depositing t...
|
|
WO/1995/022743A1 |
System and method for monitoring a fluid flow in a dialysis machine, comprising: constant flow means (4, 5) for feeding the dialysis fluid to a dialyzer (3) and for feeding the dialysis fluid from the dialyzer to a waste or similar. Each...
|
|
WO/1995/020072A1 |
A paving machine (10) having a gate control system for maintaining a target depth of paving material on the surface to be paved. The paving machine includes a wheeled frame having a lengthwise tunnel (24) and a conveyor (25) for moving p...
|
|
WO/1995/016229A1 |
An arrangement for dosing fluids, in particular liquid fluids such as beverages, has a flowmeter arranged in the fluid dosing duct, in particular an impeller flowmeter, an on-off, preferably electric valve arranged in the dosing duct, fo...
|
|
WO/1995/016158A1 |
A control valve (1) is disclosed, having a housing (2) which has an input port (3) and an output port (4) that are connected to one another by a flow path in which a throttling device is arranged. It is desirable for such a control valve...
|
|
WO/1995/015520A1 |
The present invention relates to a device providing for the metering of a small flow rate of a fluid (1) by using a second drive fluid (2), the pressure of which is regulated, the flow rate of one or the other of said fluids being measur...
|
|
WO/1995/014264A1 |
A fluid flow control device (17) of the type having a spool valve (55) mechanically biased toward a neutral position, a movable fluidic control such as a jet pipe (49) for selectively moving the spool valve (55) from its neutral position...
|
|
WO/1995/012788A1 |
Precision gas flow control (10') is provided utilizing a first coarse gas flow control element (12) and a second fine gas flow control element (27). The second element is selected and operated to pass only a fraction of the flow passed b...
|
|
WO/1995/012154A1 |
A flow control valve (10) is provided including a valve body (20) and a piston (16). The valve body (20) has extending therethrough a longitudinal bore (18) defining a first flow passage (32). The piston (16) is slidably disposed within ...
|
|
WO/1995/009988A1 |
The fluid filters and fluid flow regulators are capable of accurately handling substantially continuous fluid flow rates as low as about 0.01 cc/day. The filters and flow regulators are so miniaturized, corrosion-resistant and non-toxic ...
|
|
WO/1995/009989A1 |
The micromachined flow switches are capable of accurately handling substantially continuous fluid flow rates as low as about 0.01 cc/day. The flow switches are so miniaturized, corrosion-resistant and non-toxic that they are suitable for...
|
|
WO/1995/009987A1 |
The fluid flow regulators are capable of accurately handling substantially continuous fluid flow rates as low as about 0.01 cc/day. The regulators are so miniaturized, corrosion-resistant and non-toxic that they are suitable for being im...
|
|
WO/1995/009305A1 |
The present invention is an improved flow-metered pumping system using an air-backed diaphragm pump with load compensation. A variable motor speed controller is used to compensate for flow rate reduction caused by pressure effects. When ...
|
|
WO/1995/008463A1 |
The object of the invention is an effective automatic adjustment to reduce the sectional area of flow following a closure of the valve. The valve (10) has a magnet armature (21) which moves longitudinally in a valve dome (14) and whose t...
|
|
WO/1995/008461A1 |
The object of the invention is an effective automatic adjustment to reduce the sectional area of flow following a closure of the valve. The valve (10) has a magnetic armature (21) which moves longitudinally in a valve dome (14) and has d...
|
|
WO/1995/008460A1 |
The object of the invention is an effective automatic adjustment to reduce the sectional area of flow following a closure of the valve. The valve (10) has a magnetic armature (21) which moves longitudinally in a valve dome (14) and whose...
|
|
WO/1995/007427A1 |
A device for distributing pressurized water to a plurality of sprinkler lines is provided. The valve and valve control portions are centralized, and thus no electrical connection to remote locations is required. The valve system is modul...
|
|
WO/1995/006214A1 |
This invention relates to an automatically controlled direct acting type variable constant flow rate adjusting lift valve device which operates by picking up working force from a state of working fluid (variations in inlet flow path pres...
|
|
WO/1995/006276A1 |
In this invention, a valve positioner (50) receives a setpoint from a master (62) and provides a control pressure to a valve actuator (70) for controlling a valve (72). A sensing circuit (102) in the positioner (50) senses the position o...
|
|
WO/1995/005208A1 |
There is provided a device for the administration of an inhalation medicament, including a body defining a through-going air pathway having a longitudinal axis, an air inlet, an air outlet forming a mouthpiece, means for dispensing medic...
|
|
WO/1995/002126A1 |
A controller for controlling at least one pump connected to a supply network wherein the controller can detect a fault in the supply network by comparing the amount of material being delivered along the supply network with an expected am...
|
|
WO/1994/021938A1 |
A fluid flow control device for electro-rheological (ER) fluids has an inlet port (11), an outlet port (12) and a flow path for ER fluid extending between the inlet and outlet ports (11 and 12). A first flow restrictor is disposed in the...
|
|
WO/1994/019734A1 |
A flow control valve having a piston (1072) and valve element (1074) connected together by a portion of a spring also connected to a pressure relief mechanism (1112). Also disclosed is an alternative embodiment featuring a passage (1152)...
|
|
WO/1994/017463A1 |
An automatic recirculation valve (10) having an inlet (16), a main outlet (18), and a recirculation outlet (20). A main valve element (28) responsive to the flow between the inlet (16) and main outlet (18) and a bypass element (32) respo...
|
|
WO/1994/015686A1 |
A novelty item is provided comprising an inflatable object, a container means adapted to contain said inflatable object in a deflated state, and an inflation means adapted to act on said inflatable object, said inflation means including ...
|
|
WO/1994/013958A1 |
A hydraulic system is proposed, with a pressure source (P), a pressure sink (T), a work motor (4), a main valve (3) which is arranged between the pressure source (P) and the pressure sink (T) on the one hand and the work motor (4) on the...
|
|
WO/1994/013524A1 |
A controlled proportional valve is provided, with a main slide valve section (4) containing a main slide valve, which section controls a flow of fluid between a pump connection (P) connected to a pump (2) and a tank connection (T) connec...
|
|
WO/1994/010489A1 |
A method and apparatus for monitoring and analyzing the performance of a recirculation control system are disclosed. According to the invention, the pressure of the liquid passing through the control system is measured directly by pressu...
|
|
WO/1994/010510A1 |
A flow control apparatus for controlling the flow of a low pressure air stream in an air duct of an air ventilation system includes a conduit section (1) having spaced upstream and downstream ports (8, 9) in upstream and downstream porti...
|
|
WO/1994/009962A1 |
A pressure controlling and/or regulating device (8) for a fluid medium, in particular air or gas, but preferably nitrogen, to be supplied besides the plastic molten mass to an injection molding tool, may be designed as a stationary, but ...
|
|
WO/1994/010618A1 |
A regulator for maintaining a constant partial vacuum in a region includes a path, through which fluid passes from the region to a vacuum source, and a piston (2) movably mounted at a constriction point (30). The piston has a frontal fac...
|
|
WO/1994/010617A1 |
A regulator controls the flow of gas from an environment, through a region and to an evacuation means. The regulator's fluid path is bounded on opposite sides by two hingedly mounted parallel plates (51, 55). Each of the plates have a co...
|
|
WO/1994/009344A1 |
A thermal mass flow controller having a thermal mass flow meter with an orthogonal thermal mass flow sensor includes a base defining a primary fluid flow path therein for carrying a flow of fluid to be metered. A pressure dropping bypass...
|
|
WO/1994/009424A1 |
A pressure regulating flow control apparatus comprises a flow metering valve (10) for controllably discharging a fluid from a spring-biased throttling spool (30) thereof to a fluidic device at a regulated pressure and a pressure modulati...
|
|
WO/1994/007192A1 |
A fluid flow control apparatus (10) which uses a plurality of deformable metal springing arms (98, 108) to position a plurality of metal plates (40, 50, 70) within a chamber (34). The metal plates (40, 50, 70) define a plurality of flow ...
|
|
WO/1994/006068A1 |
A pump (104) is driven by a pump motor drive circuit (121-123) that produces a series of pulse width modulated signals. A closed loop system (110-113) is included to provide data indicative of any variation in the fluid flow. This is acc...
|
|
WO/1994/002769A1 |
An improved structure for pivotal fluid valves is disclosed wherein an elongated pivot arm (22) is pivotally mounted through a flexible, resilient corrosion-resistant diaphragm (24) that serves to support and balance the pivot arm (22) a...
|
|
WO/1994/001813A1 |
The flow rate of a control valve can be controlled continuously while preventing the working liquid from leaking when the control valve is open. A piston (12) is accommodated slidably in the axial direction in a case (11) which is provid...
|
