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7392820 |
Liquid shut-off valve
An automatic shut-off valve suitable for watering of batteries is disclosed. The valve is formed by a chamber having an inlet and an outlet. A seat surrounds the outlet. A spring biased piston...
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7143781 |
Flexible bladder apparatus for fluid flow control
The present invention provides an apparatus and method for controlling the flow of fluids through a conveyance with a hydraulic valve including a flexible portion. The flexible portion is...
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6591862 |
System and method for carrying out column tests under hydrostatic pressure
A closed ΔP stat -installation is disclosed for the potential-independent control of the pressure difference for continuous column tests under high hydrostatic pressure, as well as a pressure...
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5718261 |
Cleaning solution dispenser for use in a water tank, and water tank capable of discharging mixture of water and cleaning solution
A cleaning solution dispenser installed in a water tank 2 includes a container 3 and a tubular flow regulator 4. The container receives cleaning solution therein and is formed with a downwardly...
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5678600 |
Filling valve
A multi-purpose automatic filing basin is provided for containing a selected amount of water which is used for various purposes. The water may be transferred from the basin by wicks or by a pump to...
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5653533 |
Apparatus and method for introducing liquid additives into a concrete mix
A concrete mixing system includes reservoirs of liquid additives, where the additives are combined with concrete mix to add desired properties thereto. These reservoirs of liquid additive are...
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5486285 |
Air inlet valve for water cooler
For use in a water cooler having a reservoir adapted to receive the neck portion of an inverted water tank, a filter system comprising an attachment removably connected to the neck and forming a...
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5339858 |
Device for restoring a fluid level in a fluid receptacle
The invention provides a device for restoring a fluid level in a fluid receptacle to a predetermined level when the fluid level falls below the predetermined level, said device including: a closed...
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4653529 |
Plant watering device
An intermittently operating watering device has a water reservoir for supplying successive flows of water to a pair of receptacles which are separated from one another by a weir. The water also...
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4619072 |
Method and apparatus for irrigating plants
A method and apparatus for irrigating plants in a controlled manner. The method includes the alternate steps of moving the irrigating liquid from a reservoir containing the liquid to a...
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4617806 |
Liquid level control apparatus
A liquid level control apparatus which detects a liquid level in a tank employed, for example, in ice making equipment, to thereby trigger a control operation. The level control apparatus comprises...
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4607399 |
Automatic pool water regulator apparatus
A pool water regulator has two vertical pipes which indicate the pool water level. Each pipe has a floating element disposed therein, and each float element has a switch secured to a distal end...
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4566484 |
Liquid level control apparatus
An apparatus for controlling the flow of liquid from a conduit into a tank to maintain a selected level, which is an improvement on the conventional type of float-operated flow valves which use a...
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4449477 |
Liquid dispenser
Apparatus for dispensing a liquid utilizing surface tension of the liquid for control of amount dispensed.
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4441520 |
Hydraulic fluid reservoir system
An upper sealed reservoir and a lower vented reservoir are connected by a conduit and tube extending into the lower reservoir. A shroud forms a chamber around the end of the tube within the lower...
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4368593 |
Device for storage and dosed delivery of liquids
A device for the storage and dosed delivery of liquids, comprising a tank for containing a liquid, the tank having at least one opening for filling with the liquid and for discharge of the liquid...
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4347687 |
Watering system for flower pots and plant boxes
A watering system for flower pots and plant boxes which uses watering cylinders located adjacent to the plant roots with the watering cylinders connected to a water supply unit through a closed...
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4342376 |
Adjustable constant level oiler and tool for making adjustments
A constant level oiler is disclosed which includes an adjustable nozzle assembly for establishing the operating or working level of the oil lubricant in the oil chamber and to a user assembly. A...
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4311114 |
Low shear gravity controlled yarn finish supply system
In this invention yarn finish is supplied to the yarn applicator supply pan with the level controlled by intermittent admission of air to the top of a distribution tank through an air tube which is...
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4240991 |
Humidifier
Disclosed is a self-contained evaporator type humidifier adapted to be positioned at an outlet opening of a warm air heating system and operated solely by an air stream issuing therefrom. The...
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4195652 |
Liquid level control for a transmission sump
A liquid level control for a transmission sump wherein excess fluid is stored in an external reservoir. The external reservoir is connected to a vacuum source, such as the engine manifold, above...
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4176694 |
Automatic shutoff liquid dispensing valve
A dispensing valve for controlling the flow of a liquid from a container into a receptacle is described. Such valve is designed to terminate liquid flow automatically when the liquid level within...
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4154194 |
Apparatus for coating a viscous medium onto predetermined surface portions of workpiece members
An apparatus is provided for coating workpiece members fed one at a time to a coating station whereat individual workpiece members are coated with a viscous coating medium supplied from a reservoir...
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4142976 |
Barometric leg for rotary vacuum filter
A rotary vacuum filter having a barometric or drop leg for generating vacuum in the filtration cycle of the filter wherein the end of the leg immersed in the seal pit is formed to a frustro-conical...
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4108201 |
Sensing probe for gravity induced flow liquid level regulator
A liquid level sensing probe for gravity induced flow liquid level regulators used for maintaining a desired level of a liquid in a sump of a device having moving components within or adjacent the...
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4096879 |
Adjustable fluid flow regulator
A rate of flow regulator comprising upper and lower fluid chambers, the upper chamber having a double acting float valve to maintain a predetermined level of fluid therein, vent means venting each...
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4047655 |
Liquid level control means and method
A pressured gas in a control chamber is used to repetitively change the levels of liquid in a container up and down between two levels and holding at the two levels for predetermined time intervals...
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4033289 |
Fluid flow distribution device and strip oiler system utilizing the same
A strip of sheet metal moves horizontally between upper and lower felt rollers, turning them in opposite directions so that the lower roller continuously picks up oil from an oil bath. Oil is...
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4033483 |
Remote liquor dispensing system
A gravity feeder for a liquor distribution system includes a manifold having a vented chamber, there being a series of vertically extending nipples on the manifold that are of different lengths....
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3983958 |
Method and apparatus for observing, indicating and maintaining fluid level
Apparatus is provided for attachment to a bearing housing through an access conduit, which provides means for allowing observation of the lubricating oil in the bearing housing, ascertaining the...
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3941147 |
Level control for surface treatment baths
A level control device for pickling, degreasing, nickel-plating baths or the like, comprising at least two baths of different specific gravities, wherein the two baths are joined to a connecting...
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3929157 |
Fluid flow regulator
A rate of flow regulator for use in a gravity fed fluid delivery system, the regulator comprising first and second fluid chambers. The first chamber has a fluid inlet, a fluid outlet, and means for...
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3595264 |
LOAD CONTROL AND HOLDING VALVE
A load control and holding valve having a counterbalance valve with a check valve coaxially therewithin, both valves being closed to lock a fluid motor against downward drift of a load acting...
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3557749 |
IMMERSION APPARATUS
Immersion-coating apparatus having the work holder depending from the immersion vat cover. The holder is a part of the substrate heating and cooling means. A vertically traveling supply tank feeds...
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3498091 |
PRESSURE RESPONSIVE SWITCH HAVING AUTOMATIC RESET MEANS
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3487847 |
LIQUID LEVEL CONTROL DEVICE
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3486525 |
AUTOMATIC FEED DEVICE FOR CONTINUOUS ICE CREAM MAKING MACHINES
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3455349 |
FLUID FILTERS AND APPARATUS FOR BLEEDING HYDRAULIC SYSTEMS
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3392586 |
Device for measuring pressure
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3369579 |
Battery water reservoir
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3344804 |
Liquid level control
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3334651 |
Liquid level control
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3330312 |
Liquid level control reservoir
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3318238 |
Ink fountain supply and drain means
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3314445 |
Liquid level control device
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3294110 |
Liquid level control
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3238065 |
Method and apparatus for maintaining a constant boiling liquid level in vapor solvent degreasing operation
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3202074 |
Trays
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3201275 |
Method and apparatus for meniscus coating
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3095009 |
Battery liquid level checker
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