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Class 137/625.18 - Plural noncommunicating flow paths


Subclass of Class 137 - Fluid handling
Definition: Devices having a plurality of distinct conduits or passages,
No. of patents: 86
Last issue date: 02/21/2012


1      
NumberTitleIssue Date
8118056Mixing device with valve disks
The invention relates to a mixing device for mixing substances with a valve control disk and a fixed valve seat disk having at least two groups of openings each of which consists of at least three through openings. A first opening is an inlet for a substance, a seco...
02/21/2012
74877974 port fluid cartridge
A control disk insert for a one lever mixer valve (20) contains two preferably, planar disks, whereof one fixed control disk (24) has at least one opening zone for hot water and at least one opening zone for cold water. The movable control disk (22
02/10/2009
7337869Hydraulic hybrid vehicle with integrated hydraulic drive module and four-wheel-drive, and method of operation thereof
A vehicle includes an integrated drive module coupled to an axle thereof. The module includes a hydraulic motor configured to provide motive power at an output shaft, and a differential for distributing the motive power to right and left portions of the axle. The hy...
03/04/2008
7311882Capillary interconnect device
A manifold for connecting external capillaries to the inlet and/or outlet ports of a microfluidic device for high pressure applications is provided. The fluid connector for coupling at least one fluid conduit to a corresponding port of a substrate that includes: (i)...
12/25/2007
7270142Inflation device with automatic disconnect
An apparatus that injects fluid into an inflatable device, dynamically monitors the pressure inside the device, and automatically terminates the inflation and disconnects from the inflatable device when the pressure inside the device reaches a predetermined value pr...
09/18/2007
7190893Fluid heater with low porosity thermal mass
A fluid heater apparatus and method of making same includes a low porosity material, thermally conductive mass. A heat source is disposed in the thermally conductive mass for imparting heat to the mass. Fluid in a flow path through the mass absorbs heat from the mas...
03/13/2007
7169228Extrusion applicator having linear motion operability
An applicator for application of a substance onto a material. The applicator has a housing, a valve and a nozzle. The applicator may also have a journal that is connected to the valve which together translate in a linear motion to provide shuttering functionality. T...
01/30/2007
7152271Apparatus for adjusting a vacuum selector
A vacuum selector is provided. The vacuum selector includes a housing having first and second faces, the first face including first and second openings, the second face including a primary opening that communicates with the first and second openings along a flow pat...
12/26/2006
7051761Fill and bleed valve for liquid cooling system
A fill and bleed valve for filling a liquid cooling system has a single axially movable plunger, slidable within a central block bore, from a normal operating position to a filling position that opens the cooling system to a supply of coolant. The filling operation ...
05/30/2006
7037087Capacity control valve and control method therefor
An object of the capacity control valve is to provide a constant, stable control of the pressure load without fluctuations. Also another object is to improve an energy efficiency of the drive torque of the rotary shaft by means of a control of the pressure load. In ...
05/02/2006
7036521Air conserving slide valve
A slide type valve (V) for regulating a gas generating system (10) that has at least a first and a second gas concentrating bed unit (12, 14) includes an outer body (120) with a slide face (106) having at least three open ports (130, 1...
05/02/2006
6998727Methods of operating a parallel hybrid vehicle having an internal combustion engine and a secondary power source
The invention is directed toward methods for operating a parallel hybrid vehicle in a manner that responds to the operator's demand for power output, while maximizing engine efficiency and minimizing disruptions in vehicle drivability. According to principles of the...
02/14/2006
6973936Fluid injection system
A fluid injection system controls the distribution of fluid from a supply line to a selected well at an adjustable rate. A fluid barrier divides a cylinder into first and second chambers. A multi-position valve comprises a first position for passing fluid from the s...
12/13/2005
6966336Fluid injection microvalve
A microvalve for extracting small volume samples into analytical devices, e.g., high pressure liquid chromatography (HPLC) column, includes: a first body having a first interior surface and two or more outlet ports at the first interior surface that are in fluid com...
11/22/2005
6957655Apparatus for dosage control
The invention is directed to a dose control apparatus for manipulating the dosage of one or more pharmaceutical solutions emanating from an implantable drug infusion pump. The dose control apparatus has a movable core that is held in a desired position by a magnet. ...
10/25/2005
6952524Fluid heater temperature balancing apparatus
A fluid heater apparatus supplies heat to wash fluid via a flow path in a thermally conductive body. A heat source is disposed in the thermally conductive body for imparting heat to the body. Fluid flowing through the thermally conductive body in a flow path envelop...
10/04/2005
6925730Apparatus for removing paint
A paint removal apparatus includes a canister partially filled with a pressurized coolant. The apparatus includes a housing having a body portion mounted atop the canister with a handle portion extending from the body portion. The handle includes an inlet port while...
08/09/2005
6912357Fluid heater
A fluid heater apparatus supplies heat to wash fluid via a continuous, labyrinthian flow path in a thermally conductive body. A heat source is disposed in the thermally conductive body for imparting heat to the body. Fluid flowing through the thermally conductive bo...
06/28/2005
6857448Air bleed apparatus for a burner unit
A control apparatus simultaneously controls flow rates of a first fluid and a second fluid. The apparatus comprises a control valve for controlling the flow rate of the first fluid and a bleed device for bleeding the second fluid. The control valve is operatively co...
02/22/2005
6818068Conveyor for treating hollow bodies comprising an advanced pressure distribution circuit
Aconveyer for treating hollow bodies, comprising several identical treatment stations (12, 13) that process at least one hollow body, whereby the respective treatment station for a given treatment stage communicates with a pressure source via distribution mea...
11/16/2004
6647965Pump assembly and method
A pump assembly and method for an internal combustion engine includes a high-pressure pump for pressurizing oil used to actuate fuel injectors or other devices, a hydraulic inlet throttle valve, a three-way valve for alternatively connecting the inlet thr...
11/18/2003
6543480Laundry faucet valve and timer control
A valve for controlling a flow of water to an appliance comprises a valve assembly having a pair of inlets for coupling to a water supply and a pair of outlets for supplying water to the appliance. A valve mechanism is coupled to the valve assembly to con...
04/08/2003
6526974Pressure control in CPAP treatment or assisted respiration
The pressure of breathable gas exiting a flow generator is controlled by adjusting the efficiency of the flow generator. In one embodiment, a baffle plate of a control element can restrict the open entry area of a motor driven turbine of the flow generato...
03/04/2003
6412513Valve having an easily sealing configuration
A valve includes a housing having a chamber and two inlets communicating with each other, two casings received in the chamber of the housing and each having a bottom orifice and an upper port and a side aperture communicating with each other. A valve seat...
07/02/2002
6170524Fast valve and actuator
A fast-acting valve includes a valve body and a spool slidably mounted within the valve body between first and second limit positions. Both the spool and the valve body have a flow passage which come into alignment with the valve spool at a position inter...
01/09/2001
6152176Air valve structure for alternately aerated three-pipe style air bed
An air valve structure for an alternately aerated three-pipe style air bed, being comprised of an upper rotation seat and a lower rotation seat, three air pipes on the air valve structure can be supplied with air through relative rotation between and by t...
11/28/2000
6067864Multiport valve system through which sample gas continuously flows in selected and non selected ports
A multiport valve system is disclosed in which sample gas continuously flows through all ports. More specifically, gas flowing to a specific port is selected for analysis, and gas continuously flows through the valve at this port during the analysis. In a...
05/30/2000
5954092Pulsed flow generator
There is provided a high frequency pulse generator having inlet ports for receiving a fluid mass flow rate and output ports that produce a pulse flow rate therefrom by being opened and closed by a chopper wheel. The duty cycle of the generator is controll...
09/21/1999
5938098Servo valve
A positive pressure operated servo apparatus for lateral alignment of a continuous web of paper, plastic, textiles and other materials which are being processed at windup, unwind, printing, coating, folding and slitting stations, or other intermediate poi...
08/17/1999
5925023Multi stage type flow rate switching device
A multi stage type flow rate switching device is provided which simplifies switching of flow paths and which rarely causes erroneous operation. The multi stage type flow rate switching device includes a liquid medicine flow inlet port 1 having branch path...
07/20/1999
5839471Sealing member for a valve
A valve includes a base having a chamber and two inlets communicating with the chamber, and a cover engaged on the base. The base includes a peripheral groove formed around the chamber for engaging with a sealing member and includes six notches communicat...
11/24/1998
5595218Valve construction
A solid valve spool is split in two, by cutting through its center land diameter. A drill rod spacer is machined to length and inserted between the spool pieces to establish a spool assembly having a precise land width. The spool pieces and spacer are bia...
01/21/1997
5577637Cutting-off device for stock materials packed in can-like containers, more particularly filler materials and putties and hardener pastes
Cutting-off device for viscous stock materials packed in can-like containers, more particularly filler materials and putties and hardener pastes. A device in the form of a disposable article for the simultaneous cutting-off of filler materials and hardene...
11/26/1996
5571002Plunger pump system with shuttle valve
A plunger pump system including a plunger pump, and a shuttle valve connected to the plunger pump having a valve body reciprocally fitted in a hollow portion formed in a valve casing to divide the hollow portion into a liquid supply side chamber and a liq...
11/05/1996
5454698Plunger pump system with shuttle valve
A plunger pump system including a plunger pump, and a shuttle valve connected to the plunger pump having a valve body reciprocally fitted in a hollow portion formed in a valve casing to divide the hollow portion into a liquid supply side chamber and a liq...
10/03/1995
5437304Device for alternate admission of a liquid or a pressurized gas to one or more moulds used in plastics processing
A device is provided that permits admission of air or water to one or more molds. It includes at least two three-way valves that move together between a position admitting and exhausting air, a position admitting and exhausting water, and a position block...
08/01/1995
5398737Connecting mechanism
The invention relates to a connecting mechanism for connecting a vessel (5) through the intermediary of a connecting element (3) to a liquid container (6) of an anaesthetic liquid vaporizing apparatus (1), the connecting element including two ducts (23, 2...
03/21/1995
5360321Feeding reservoir for two-cylinders thick-matter pumps
A feeding reservoir for a two-cylinder pump is provided for the pressurized delivery of thick matter. The feeding reservoir includes a material supply port, a front wall having two pump-side ports therein, and a back wall opposite the front wall having tw...
11/01/1994
5288323Apparatus with a shunt system for processing printed circuit board substrates
Apparatus for contacting a circuit board substrate with etching fluid or some other chemical includes a conveyor system comprised of upper and lower rotating disks for receiving and transporting the circuit board substrate while the substrate is contacted...
02/22/1994
5236015Position-controlled proportional directional valve
A position controlled proportional directional control valve has a main control piston for controlling flow between passages to a pump, a tank, and to passages which may be connected to an operative device, such as a hydraulic motor. The main control pist...
08/17/1993
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