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Class 137/565.16 - Electric


Subclass of Class 137 - Fluid handling
Definition: Subject matter wherein the regulating means is an electrically
No. of patents: 49
Last issue date: 05/15/2007


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NumberTitleIssue Date
7216671Microfabricated elastomeric valve and pump systems
A method of fabricating an elastomeric structure, comprising: forming a first elastomeric layer on top of a first micromachined mold, the first micromachined mold having a first raised protrusion which forms a first recess extending along a bottom surface of the fir...
05/15/2007
7204259Dishwasher operable with supply distribution, dispensing and use system method
An appliance supply distribution and dispensing system and method for distributing appliance supplies to a home or business and which involves a computerized system which facilitates dispensing or using one or more supplies from an appliance. The computerized system...
04/17/2007
7066197Supplying water to a reticulation system from different sources
A water supply system for supplying water to a building including a water tank (13) for collecting water from the roof (10) and gutters (12) of the building (11); a water level sensor means (21) for sensing the level of water in th...
06/27/2006
7040298Grounding structure of fuel tank
A grounding structure of a fuel tank equipped with a lid body closing an opening of the fuel tank made of resin is characterized by being equipped with a ring-shaped member made of metal fixed on the periphery of the opening, and a retainer made of metal fixing the ...
05/09/2006
7000626Instantaneous and constant fluid delivery system
This is a method and means for maintaining a constant supply of a fluid with specific characteristics within a fluid supply conduit from a supply source of the fluid with specific characteristics at a point of service of the fluid with specific characteristics in wh...
02/21/2006
6983757Pressure differential distribution system
An pressure differential distribution system which offers an pressure differential reaction element (1) made of a comfortable, flexible pressure differential interface (2) that is attached to a support element (3), which in conjunction with a di...
01/10/2006
6962162Method for operating a multi family/commercial plumbing system
A method for operating a multi-family/commercial plumbing system includes sensing an event and recording for each sensed event at least one parameter selected from the group consisting of date, day of the week, start time, duration of the event, water flow, water te...
11/08/2005
6959610Manual purge system for instrumentation flow element tubing
An improved manual purge system for periodically cleaning pressure sensing flow element tubing is provided that is a complete self-contained system for allowing manual determination and initiation of flow element purging. Additionally, the system can be easily upgra...
11/01/2005
6935356Underground storage tank metering system in a service station environment
A meter coupled in close proximity to an underground storage tank fuel pipe that delivers fuel from the underground storage tank to fuel dispensers in a service station environment. The meter measures the total amount of fuel drawn from the underground storage tank....
08/30/2005
6929018Underground storage tank metering system in a service station environment
A meter coupled in close proximity to an underground storage tank fuel pipe that delivers fuel from the underground storage tank to fuel dispensers in a service station environment. The meter measures the total amount of fuel drawn from the underground storage tank....
08/16/2005
6921027Truck wash automatic chemical ratio proportioning
A chemical ratio proportioning apparatus (100, 200) intended primarily for use in a wash bay (10) of a vehicle wash system. A gantry (14) and spray wands (18) are used for washing a vehicle (12). A quantity of solvent such as water...
07/26/2005
6899137Microfabricated elastomeric valve and pump systems
A method of fabricating an elastomeric structure, comprising: forming a first elastomeric layer on top of a first micromachined mold, the first micromachined mold having a first raised protrusion which forms a first recess extending along a bottom surface of the fir...
05/31/2005
6895985Smart device and system for improved domestic use and saving of water
A system for providing a user with water at a desired temperature comprising a piping system that includes a hot water pipe and a cold water pipe, a pump coupled to the piping system and a smart water delivery device coupled to the piping system and to the pump and ...
05/24/2005
6792966Fuel transfer pump and control
A fuel transfer apparatus for providing fuel to a vehicle engine from a plurality of fuel tanks. A transfer pump is positioned intermediate a pair of fuel tanks and is operable to transfer fuel therebetween. Fuel is provided to the engine from a first one of the two...
09/21/2004
6782908Automotive washer system utilizing a freezable washer liquid and a freeze-resistant washer liquid
A washer system which includes a first reservoir containing a freezable washer liquid and having a drain port therein. The drain port is in fluid communication with the freezable washer liquid when the first reservoir is in at least a full state. The washer system a...
08/31/2004
6718999Cold water supply systems
A cold water distribution system for a multi-storey building has a lower accumulator provided in the building on a lower floor thereof and an upper accumulator provided on an upper floor of the building. A water inlet pipe leads from an external mains water supply i...
04/13/2004
6588449Diesel fuel shut-off device
Fuel shut-off device for use in a diesel fuel tank to discontinue fuel flow to a fuel pump comprises a valve seat forming a fuel flow opening for fuel to flow from the fuel tank to the fuel pump, a fuel control valve cooperably disposed relative to the va...
07/08/2003
6568426Pressurized water supply systems
A pump assembly for a pressurized water system includes a pressure sensitive switch (27) arranged to monitor the water pressure in a pipe (14) extending between a water delivery pump (13) and a tap (15), the switch (27) controlling operation of the pump (...
05/27/2003
6568425Remote controlled water flow and drain system
A method for supplying and withdrawing water to and from a user apparatus is achieved by supplying and withdrawing water through a single water pipe during different periods of time. A remote controlled water flow and drain system for implementation of th...
05/27/2003
6538261Wet line fluid removal system with optical sensor
A system for returning residual liquid remaining in a loading line to a liquid cargo container after loading or unloading of the cargo container. This system includes a liquid return line extending between the loading line and the cargo container. A pump ...
03/25/2003
6505691Subsea mud pump and control system
The invention is a subsea pump that includes pumping elements, each pumping element including a pressure vessel with a first and a second chamber therein and a separating member disposed between the first and second chambers. The first and second chambers...
01/14/2003
6494226Fuel transfer pump and control
A fuel transfer apparatus for providing fuel to a vehicle engine from a plurality of fuel tanks. A transfer pump is positioned intermediate a pair of fuel tanks and is operable to transfer fuel therebetween. Fuel is provided to the engine from a first one...
12/17/2002
6491060Controlled sewage sump network system
A sewage system comprising a network of sewage sumps that temporarily store sewage produced in a dwelling or other structure, each of said sumps preferably comprising a computer controller for operating a pump in the sump such that the sewage collected in...
12/10/2002
6488641Body pulsating apparatus
A vest for a human body has an air core coupled to a pulsator operable to subject the vest to air pressure pulses which applies and releases pressure to the human body. The vest has a cover having a pocket accommodating the air core. The pulsator has diap...
12/03/2002
6447258Control valve for variable displacement compressor
A valve body adjusts opening of a supply passage in response to the position in a valve chamber. A pressure-sensitive member is moved in accordance with the pressure difference between two pressure monitoring points, which are located in an external refri...
09/10/2002
6378554Controlled sewage sump network system
A sewage system comprising a network of sewage sumps that temporarily store sewage produced in a dwelling or other structure, each of said sumps preferably comprising a computer controller for operating a pump in the sump such that the sewage collected in...
04/30/2002
6305419Variable pilot pressure control for pilot valves
A hydraulically operated industrial machine has hydraulic work components such as a boom, bucket or the like, and also uses hydraulic motors for propelling the machine. The motors and cylinders are controlled by pilot pressure valves to provide pressure t...
10/23/2001
6254556Repetitive pressure pulse jacket
A vest for a human body has an air core coupled to a pulsator operable to subject the vest to pulses of air which repetitively applies and releases pressure to the body. The vest has a cover having a pocket accommodating the air core. The pulsator has dia...
07/03/2001
6206035Safety device for a fuel tank
A safety system for use in a motor vehicle fuel system in which fuel flow components generate electrostatic charges. The system includes a fuel pump that has a housing that is electrically connected to ground potential and an electrically conductive safet...
03/27/2001
6158461Device for supplying fuel from a fuel tank
A device for delivering fuel from a fuel tank includes reserve cup, which can be inserted into the fuel tank and fixed there in place in an end position, in which the device is assembled in the fuel tank, and a fuel delivery pump positioned in the reserve...
12/12/2000
6148852Sump pit regulating valve
A valve assembly that is composed of simple parts is described that is used to provide a sump pit water control device that operates due to the level of water within the sump and not by electricity. This valve assembly includes an adapter in the form of a...
11/21/2000
6142179Feed and filtering system for liquid media such as fuels
Apparatus for feeding fuel to an engine is disclosed including a storage tank and a supply tank, the storage tank having a substantially greater volume than the supply tank, a filter, a first conduit for feeding the fuel from the storage tank to the filte...
11/07/2000
6129110Fluid level management system
A fluid level management system for controlling a fluid level contained within a reservoir housing is described. The fluid level management system utilizes two separate predetermined fluid levels, a first and a second spaced below the first, to create a f...
10/10/2000
6045332Control system for multi-pump operation
A control system, particularly adaptable to multiple-pump operations in process units, is disclosed. A measured variable, such as pressure, is sensed by a master controller. The master controller, in turn, sends a signal to the driver of the individual pu...
04/04/2000
5632146Load shaping compressed air system
This invention is a load shaping system which increases the energy efficiency of a compressed air system by eliminating activation of a trim compressor in response to a momentary increase in demand for compressed air. The load shaping system includes a lo...
05/27/1997
5584320Multi-tube clamp actuator and mating cartridge
An apparatus for managing and controlling fluid flow through a plurality of fluid conduits includes a chassis, a plurality of conduit occluders mounted in the chassis, each occluder for association with at least one of the plurality of fluid conduits and ...
12/17/1996
5566709Fluid plant and its operating method
In a plant equipment comprising apparatus of a plurality of systems and control means for switching the systems and changing capacities of the apparatus, an apparatus of each system bas a rated capacity which is 1/N of a capacity of the whole equipment, a...
10/22/1996
5540555Real time remote sensing pressure control system using periodically sampled remote sensors
A real time remote sensing pressure control system is provided which uses periodically sampled remote sensors to generate a bias signal that modifies the base setpoint of a proportional-integral controller that controls variable speed pumps. This control ...
07/30/1996
5526844Flow conrol system
A system for controlling the flow of fluid through a line 3. The system may include first and second valves (A, B; and 6, 7) in the line 3 between is located a chamber (52, 82), part of which may be filled with fluid having a variable volume (52), and ano...
06/18/1996
5360033Oil transfer system
A hazardous fluid removal and storage apparatus for the fail-safe removal and storage of hazardous liquids. An electrically monitored and electro-pneumatically controlled system provides safe pumping and storage of hazardous liquids with automatic pump sh...
11/01/1994
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