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Class 62/188 - By lever, e.g., float-controlled valve


Subclass of Class 62 - Refrigeration
Definition: Apparatus controlled by fluid level, e.g., a valve is controlled
No. of patents: 70
Last issue date: 03/04/2008


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NumberTitleIssue Date
7337615Thermoelectric, high-efficiency, water generating device
A water generating device utilizing thermoelectric cooling, also known as Peltier technology, for obtaining potable water from ambient air inside or outside a structure or dwelling, having a unique continuous duct for bringing this supply of ambient air to the devic...
03/04/2008
7322274Automatic locking device for coffee brewing apparatus
This invention provides a locking device for coffee brewing apparatus of an automatic coffee maker. With this invention, when the top cover is closed, the brewing chamber can be locked and sealed at the same time automatically, while after coffee is brewed, the brew...
01/29/2008
7322203Device for supplying preconditioned air to an aircraft on the ground
A device (10) for supplying preconditioned air to an aircraft on the ground, comprises a compressed air inlet (16) and a compressed air hose (34) having a first end connected to the compressed air inlet (16) and an opposite second end for...
01/29/2008
7275385Compressor with vapor injection system
A heat pump system includes a first heat exchanger, a second heat exchanger in fluid communication with the first heat exchanger, a scroll compressor in fluid communication with each of the first and second heat exchangers, and a flash tank in fluid communication wi...
10/02/2007
7266974Beverage dispensing with cold carbonation
Methods and apparatus for cold carbonation are provided in which a carbonator (13) having one or more segments is provided. A sensor (14) is provided that can be accessed from a side of a dispenser (10). ...
09/11/2007
7216491Ice maker with adaptive fill
An icemaker assembly includes an ice tray having an ice forming compartment, a water line configured to advance water from a water source to the ice tray, a valve operable to selectively block advancement of water through the water line while an actuation signal is ...
05/15/2007
7194868Multiple ice making decision method and operation method for automatic ice making machine
Multiple ice making is determined according to a time needed for an ice making step or a change in time in which a refrigerant temperature drops. An ice making machine alternately repeats an ice making step of cooling ice making plates 10 and 10...
03/27/2007
7175760Water dispensing apparatus with water recirculation line
A water purification and dispensing apparatus includes a water reservoir, a recirculation line having an inlet end connected to the reservoir and an outlet end connected to the reservoir, a pump connected to the recirculation line for pumping water through the recir...
02/13/2007
7073342Constant temperature liquid circulating apparatus
The whole main tank for housing the constant temperature liquid the temperature of which is adjusted by a temperature adjusting device is supported in a sub tank with a gap as a heat insulating layer around the main tank. A liquid level regulating mechanism supplies...
07/11/2006
7043929Alcoholic beverage dispenser with temperature control
An alcoholic beverage dispenser includes a housing, a holding tank, a cap member, a cooling device, and a dispensing valve. The housing has a top end formed with a beverage inlet. The holding tank is mounted in the housing, is in fluid communication with the beverag...
05/16/2006
7038461Bleed air valve test set
A test set that includes a circuit breaker, at least two test points, a single pole switch, a double pole switch, and a set of test lights. The at least two test points are for reading amperage when testing a bleed air shutoff valve in aircraft. The at least two tes...
05/02/2006
7024881Refrigerator with door handle
The present invention relates to a refrigerator, which allows more easy inspection to detect leakage of refrigerant. The refrigerator comprises a body defined with a refrigerating compartment and a freezing compartment therein, a machinery chamber defined at an uppe...
04/11/2006
7010933Ice-making mechanism of ice-making machine
An ice-making water tank 54 capable of improving ice-making efficiency by suppressing increases in concentrations of the impurities contained in ice-making water is divided into a circulating tank section 58 and a retention tank section 60 by a ...
03/14/2006
7007496Internal temperature difference preventing structure for refrigerator
An internal temperature difference preventing structure for a refrigerator, including an evaporator installed in an upper portion of a refrigerating space inside a main body of the refrigerator, an air blast fan installed in front of the evaporator for blowing air t...
03/07/2006
6978626Refrigerator and control method thereof
A refrigerator for supplying a proper amount of water and a control method thereof. The refrigerator is optimally operated in ice-making and ice-separating modes based on the amount of water supplied for making ice cubes, and a control method thereof. The method inc...
12/27/2005
6976367Condensate overflow prevention apparatus
A condensate overflow prevention assembly prevents condensate overflow in an air cooling system using a fluid level sensor and a pump activated by the fluid level sensor to pump the condensate away from a drainage system when a blockage occurs in the drainage system...
12/20/2005
6973803Refrigerator water supply systems
Refrigerator Water Supply Systems. A refrigerator is provided according to the present invention. The refrigerator can include a cabinet including at least one wall and a door pivotally mounted to the at least one wall to define a refrigeration compartment. The refr...
12/13/2005
6918258Semi-frozen beverage dispensing apparatus
A method of controlling semi-frozen liquid beverage in a dispensing machine having a bowl to contain the beverage, a motor to turn a helical auger blade within the bowl to scrape the semi-frozen beverage, and a compressor to cool the beverage. The method includes th...
07/19/2005
6912870Refrigerator and ice maker methods and apparatus
A refrigerator includes a fresh food compartment, a freezer compartment separated from the fresh food compartment by a mullion, a water dispenser coupled to at least one of the fresh food compartment and the freezer compartment, a user interface coupled to at least ...
07/05/2005
6725675Flaked ice making machine
A flaked ice making machine has a solenoid inlet valve in series with an inlet level control valve. In a preferred embodiment, these valves are used to provide an automatic cleaning feature. The automatic self-cleaning feature interacts with the control system and a...
04/27/2004
6675593Water distribution apparatus
The invention relates an apparatus to extract clean, cooled or heated bottled water from a water cooler/dispenser for distribution to a refrigerator or ice maker or other remote outlet. More specifically, the invention relates to an originally installed, ...
01/13/2004
6644343Electronically controlled beverage dispenser
An electronic control for the operation of a beverage dispenser of the refrigerated ice bank type is shown. The control provides for reliable determinations of when ice production is needed and when it is not needed. A microprocessor receives information ...
11/11/2003
6415618Device for detecting full dehumidifier water tank
Dehumidifier including a water tank under a cabinet for storage of condensate dropped from a heat exchanger, a vertical barrier in front of the water tank for separating a space, a fixing guide fitted to a fitting hole on a top surface of the water tank, ...
07/09/2002
6405549Portable heating unit using a refrigerant circuit movable within a room
A portable heating and cooling unit intended to be used within a room or area of a building includes a cabinet supported on a plurality of wheels and a refrigeration circuit at least partially carried within said cabinet. The refrigeration circuit include...
06/18/2002
6266964Use of electronic expansion valve to maintain minimum oil flow
A method of controlling an expansion valve including the steps of: measuring a primary system condition; determining an error in the primary system condition; measuring a secondary system condition; determining an error in the secondary system condition; ...
07/31/2001
6167714Portable cooling and heating unit using reversible refrigerant circuit
A portable heating and cooling unit intended to be used within a room or area of a building includes a cabinet supported on a plurality of wheels and a refrigeration circuit at least partially carried within said cabinet. The refrigeration circuit include...
01/02/2001
6112533Flow-down ice maker
An ice-making water tank 30, which has a main body 50, is disposed generally below ice-making plates 28. A deep portion 51 of smaller cross-section is formed in the main body 50. The discharge inlet 56 of an overflow pipe 55 is disposed in the central por...
09/05/2000
6041607Refrigerator having a liquid supplying device for an ice tray
A refrigerator which can supply water from a household water supply system into an ice tray, or alternatively, can supply water from a separate water tank into the ice tray. The refrigerator has a housing having a refrigerating chamber, a freezing chamber...
03/28/2000
5992167Ice maker
An ice maker has an ice tray with a plurality of ice forming cavities arranged in longitudinal succession therealong, and a water distributor extending along the tray and arranged to receive water from a water feed system. The distributor serves to distri...
11/30/1999
5966953Water distribution and return control system for evaporative cooling pad installation
A multi-stage distribution and return control system for use in an evaporative cooling system including a drip conductor, a plurality of cooling cells along which water from the drip conductor passes and a gutter therebelow, including a tank, a conduit fo...
10/19/1999
5901559Electromechanical regulator
An oil level regulator is disclosed for use in a refrigeration system which has an oil reservoir and at least one compressor with a crankcase for containing oil. The regulator has a body with an interior fluid chamber for receiving oil. An inlet communica...
05/11/1999
5884495Dehumidifier with an adjustable float for setting the moisture level shut off
The invention is a dehumidifier comprising an adjustable float with a variable height cam surface that is in contact with the actuator of an interlock switch, which controls the supply of power to the refrigeration system of the dehumidifier. The float is...
03/23/1999
5819547Refrigerator having a water dispensing system in which a water reservoir is automatically refilled when its water level is low
A refrigerator includes a water dispensing system which includes a receptacle removably disposed within a refrigerating compartment of the refrigerator. A valved feed duct extends into the refrigerator for supplying fresh water to the receptacle when the ...
10/13/1998
5755105Air conditioning system fluid level controller
A sensor apparatus, which is threadably engaged into the auxiliary drain orifice in the drain pan. The sensor includes a pair of water contact points on a first end, which is on the threaded end of the sensor, so that should fluid or water make contact wi...
05/26/1998
5713214Level control machine for producing and dispensing cooled beverages or water-ice
A machine for cooling and dispensing a product substantially behaving like a fluid, such as beverages or water-ice, comprises a base (11) and a tank (12) for treatment of the product to be dispensed. The tank is positioned on the base in a removable manne...
02/03/1998
5651259Method and apparatus for filling vehicle fluid reservoir
A method and apparatus are described for retrieving condensed fluid from an air conditioner in a vehicle, storing the collected fluid for subsequent use, and transferring the retrieved fluid to a reservoir in the vehicle. The method and apparatus describe...
07/29/1997
5490547System for providing a supply of chilled fluid
A system for providing a constant supply of chilled fluid that includes a refrigerator cabinet having a refrigerated food storage area and a door. A serving vessel is removably located within the refrigerated food storage area. Fluid stored in the serving...
02/13/1996
5325679Electric control apparatus for auger type ice making machine
When an upper limit float switch Fu is closed after a lower limit float switch Fl is closed according to a rise of the level of water in a water tank 60, a solenoid water valve WV is closed and power supply to an electric motor for driving an auger 40 and...
07/05/1994
5323620Air conditioners
An air conditioner condensate sump pump controller comprising a self heated PTC resistor located in the sump including an ambient compensation circuit. When the condensate reaches the resistor level due to decreased resistance the sump pump is energized r...
06/28/1994
5301516Potable water collection apparatus
An improved potable water collection apparatus contained within a housing, for the collection of potable water from a dynamic airflow extending between inlet and outlet ports. A compressor is mounted within the housing to circulate a refrigerant fluid in ...
04/12/1994
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