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Class 137/624.18 - Plural, sequential, valve actuations


Subclass of Class 137 - Fluid handling
Definition: Subject matter in which the actuating means causes sequential
No. of patents: 194
Last issue date: 02/28/2012


1          
NumberTitleIssue Date
8122906Pressure driven apparatus for sequential control of a cementing head
A pressure-driven apparatus sequential controls a multiphase operation, e.g., of a cementing head. A transmission arm including a pawl is supported on a cam shaft connected to a pawl cylinder having a built-in return force, directional control valves with a spring r...
02/28/2012
RE42633Spool valve for fluid control
A spool valve is provided with a stem portion that defines a fluid passageway formed by either (a) a single central support having a non-cylindrical curved surface shaped hydrodynamically, or (b) only a pair of sidewalls with, preferably, interior surfaces that are ...
08/23/2011
RE40511Rotary disc valve
A multi-port rotary disc valve comprising a stator with a plurality of fluid flow ports and a rotary distributor with a plurality of channels arranged in a channel pattern. The channels are adapted to connect the ports between them and/or to the environment in a plu...
09/23/2008
7404415Mechanical intermittent timer flow controller
An intermittent fluid flow controller including a main body that houses an inlet in controlled fluid communication with an outlet, a mechanical timing mechanism including a rotatable member that rotates during an operation of the timing mechanism, and a first valve ...
07/29/2008
7373949Fluid treatment system
A control valve for a water treatment system which includes a turbine (110) rotatably mounted within a water receiving chamber. A nozzle assembly (122) defines first and second fluid paths, one of the flow paths may include a fluid pressure response va...
05/20/2008
7299823Connector
A connector (1) connects an air-inflatable mattress (4) which alternately inflatable cells (11, 12) to a pump. Air-supply lines (13, 14) from the pump are attached to male parts (2) of connector (1). Air-supply lines (15,...
11/27/2007
7222640Switching fluid flow by diversion
A flow of fluid is switched on and off by diverting the flow to an alternative path. In a preferred application an abrasive cutting jet, formed by a flow of abrasive slurry fed via a conduit to a cutting jet nozzle, is switched on and off by diverting the flow at a ...
05/29/2007
7162971Milk conveyer device
The invention relates to a milk conveyer device (100) for an animal. The milk conveyer device is to be implemented in a milking arrangement which comprises a milk storage reservoir (101) coupled to a milking attachment for attaching to an animal to be ...
01/16/2007
7116541Method and apparatus for reducing the switching noise of an electromagnetic switching device
In order to achieve a reduction in the switching noise during operation of an electromagnetic switching device with little complexity, a coil for moving an armature with moving switching contacts is driven in order to make contact at a first minimum value of a suppl...
10/03/2006
7086415Control valve
A control valve includes a horn-like body and a seat with an interior surface mounted on the rear. A secondary outlet, primary outlet and inlet are defined through the seat. Two hollow poles are formed at the interior surface of the seat and two first resilient memb...
08/08/2006
6959728Rotary cam valve
A multiple fluid flow controller valve device having radially disposed a number of valves and a central rotary shaft with cam surfaces functioning as the valve controller to open and close the valves in the desired sequence. ...
11/01/2005
6827288Sprinkler system with relief and backflow preventer valve
This above ground sprinkler system for a water supply provides a main supply hose having an inlet connected to the water supply and an outlet. A main valve is disposed between bib end of the hose and the water supply. A central station including a water supply inlet...
12/07/2004
6796273Switching current water director (SCWD) for aquariums
The present invention relates to a water director for distributing a surge or flow of water to one or more of a plurality of output ports, which can vary in shape, size, and number, typically for use in marine and fresh water aquariums. Water pumped through a condui...
09/28/2004
6786234Drainage tile flow regulator
The title flow regulator disclosed is used for regulating the level of water in the fields of an agricultural operation according to seasonal needs by a mechanism for adjusting the outflow of water from the tile line. The regulator includes a housing through which w...
09/07/2004
6779557Rotary disc valve
A multi-port rotary disc valve comprising a stator with a plurality of fluid flow ports and a rotary distributor with a plurality of channels arranged in a channel pattern. The channels are adapted to connect the ports between them and/or to the environment in a plu...
08/24/2004
6763845Water freeze prevention device
An automatic water freeze prevention device having a first valve, second valve and third valve that cooperate to fill or drain a water utilization device according to pre-selected temperature conditions. These three valves are driven to their respective open/closed ...
07/20/2004
6755204Multi-way valve employing two-state operator
A land (56) on an index member (32) disposed in the interior chamber of a manifold (38) is aligned with an actuating member (34) and thereby holds open a check valve (36) through which fluid flows into the manifold's interior chamb...
06/29/2004
6732760Fluid distributor valve outlet opening and closing device
This device comprises a body (2) having outlets (8), and a bonnet (3) housing a rotor (6) being submitted to the action of the inflowing fluid and being connected to a reducing gear (15) activating the closing device. This device i...
05/11/2004
6715508Drainage tile flow regulator
The tile flow regulator disclosed is used for regulating the level of water in the fields of an agricultural operation according to seasonal needs by a mechanism for adjusting the outflow of water from the tile line. The regulator includes a housing through which wa...
04/06/2004
6644344Method and apparatus for metering a flow rate of a fluid
A method and apparatus for measuring the flow rate of a fluid based on the fluid weight. A container is provided between a fluid source and a fluid removal system. A valve is arranged between the fluid source and the container, to control the admitting of...
11/11/2003
6636782Method of driving and controlling a solenoid-operated valve
A method of driving and controlling a solenoid-operated valve is provided. The solenoid-operated valve can be centrally controlled and managed and it is possible to easily respond to any system change. The solenoid-operated valve is provided with a soleno...
10/21/2003
6622933Pressure sequence controlled valve and sprinkler system using same
A lawn sprinkler system utilizes a master controller whose input is coupled to a water supply and whose output is coupled via pipe to a number of valves. The master controller is preprogrammed to supply water for a number of phases of operation, where the...
09/23/2003
6598621Magnetic drives
A magnetic device is formed from a permanent magnet (12, 14) generating magnetic flux, and an armature (10) which can occupy either a first air gap in which the flux is in one direction, or a second air gap in which the flux is in the opposite direction, ...
07/29/2003
6596159Automatic regeneration valve for water softener
A regeneration valve 131 is adapted for automatic activation of ion exchange resin in a water softener. The regeneration valve includes a switching valve 1, a control valve 32, a water injection valve 54, a cam mechanism (FIG. 13) and a timer mechanism wh...
07/22/2003
6543066Washing water supply apparatus
A washing water supply apparatus 1 for supplying washing water to a toilet has valve members A and B opening/closing an opening leading to the toilet from a washing water source, cam members 8 and 9 opening/closing the valve members A and B directly, and ...
04/08/2003
6484800Downhole flow control devices
Several downhole flow control devices are disclosed which are meterable and are also capable of shutting of a particular zone in a well. The several embodiments include a multiple valve body, a toroidal inflatable valve, and a series of related choke syst...
11/26/2002
6453215Irrigation controller
An irrigation controller in one embodiment comprising a microprocessor for controlling a plurality of watering zones of an irrigation system, a keyboard for enabling an inputting of commands relating to watering programs, a display for displaying informat...
09/17/2002
6287457Water treatment device having volumeter driven monitoring discs
A water treatment device wherein the water during treating is brought into contact with a treatment medium (29), whereby this treatment medium (29), either by means of a regeneration medium (42) or not, is regenerated regularly and whereby, a regulator (5...
09/11/2001
6241015Apparatus for remote control of wellbore fluid flow
An apparatus for remotely controlling fluids in a well is provided. The flow control apparatus may include a body member having a flow port in an outer wall of the body member, and a flow aperture spaced inwardly from the outer wall. A remotely shiftable ...
06/05/2001
6220293Multiple outlets self-actuated irrigation valve
A novel irrigation valve having a single central inlet and a plurality of radially located outlets each covered by a sliding disk valve. Each disk valve is manually operable. and in automatic mode is operated by the interference action of an innovative in...
04/24/2001
6214214Water treatment system with purge valve responsive to fluid signals
A water treatment system including a pair of water treatment tanks, each tank defining a flow path extending from a tank inlet to a tank outlet and containing a water treatment material disposed along the flow path for treating water as it travels from th...
04/10/2001
6176258Dual cam drive for water conditioner valve
A water conditioner valve includes a main housing configured for providing fluid communication between a plurality of locations, and having first and second valve chambers, a main piston mounted for reciprocal movement in the first valve chamber and havin...
01/23/2001
6095192Spool valve for fluid control
A spool valve is provided with a stem portion that defines a fluid passageway formed by either (a) a single central support having a non-cylindrical curved surface shaped hydrodynamically, or (b) only a pair of sidewalls with, preferably, interior surface...
08/01/2000
6070610Fluid operated timer for a plurality of reservoirs
A fluid operated timer includes an input for the fluid, a reservoir receiving fluid from the input, an actuator responsive to the fluid pressure in the reservoir reaching a threshold value, wherein the reservoir includes a plurality of separate reservoirs...
06/06/2000
6058956Cycling self checking block valve
Cycling, self-checking block valve system that continuously cycles such that the user of the block valve system can determine if the system is operational at all times. A dual port block valve body contains two block valves which alternate between open an...
05/09/2000
6056873Management of a body of water
The installation disclosed comprises a body of water, a pump, a filter and pipes connecting the body of water, pump and filter. Additional pipes lead from the pipe to the return pipe and to waste. Solenoid operated valves are provided in the pipes so that...
05/02/2000
6019180Method for evaluating the power output of a drilling motor under downhole conditions
A procedure is described for determining the power output of a downhole drilling motor, when the motor is inside the wellbore. The technique uses stand-pipe pressure and fluid flow rate as the main inputs. The power output of the motor is calculated by ca...
02/01/2000
5944052Multiple outlets self-actuated irrigation valve
A novel irrigation valve having a single central inlet and a plurality of radially located outlets each covered by a sliding disk valve. Each disk valve is manually operable and in automatic mode is operated by the interference action of an innovative ind...
08/31/1999
5910244Adaptable control valve for fluid treatment system
A control valve for a fluid treatment system, such as a water softener or a water filter, includes a manifold which mounts a pair of open-ended, cylindrical valve bodies having ports in fluid communication with passages in the manifold. Interchangeable si...
06/08/1999
5879137Method and apparatus for pressurizing fluids
A high-pressure valve assembly having a valve body that defines a preferably cylindrical valve cavity, a fluid inlet, a fluid outlet and a plurality of valve ports; and a fluid pressure intensifier assembly having a plurality of piston-plunger assemblies ...
03/09/1999
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