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7510166 |
Automatic flush actuation apparatus
An automatic flush actuation apparatus, which is incorporated with a flushing system having a water inlet, a water outlet, and a water chamber communicating therebetween, that includes a valve...
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7437778 |
Automatic bathroom flushers
An automatic bathroom flusher includes a body having an inlet in communication with a supply line and an outlet in communication with a flush conduit, a valve assembly in the body positioned to...
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7396000 |
Passive sensors for automatic faucets and bathroom flushers
The present invention is directed to novel optical sensors and novel methods for sensing optical radiation. The novel optical sensors and the novel optical sensing methods are used, for example,...
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7320146 |
Sensor plate for electronic flushometer
An manual activation mechanism for an electronic flushometer system. A manual activation or override plate has a sensor switch directly coupled thereto and is hingedly connected to a sensor...
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7127749 |
Infrared sensor flushing control method and plumbing fixture flushing system
An infrared sensor flushing control method and the plumbing fixture flushing system. The realization of flushing with two different jets is achieved by using the infrared sensor and MCU to control...
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6996863 |
Automatic faucet control device and control method
An automatic faucet control device including an electromagnetic valve for opening and closing a flow channel of a faucet, a ray emitting device ( 5 ) for emitting infrared rays to a target to be...
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6955334 |
Reduced-energy-consumption actuator
A valve system ( 10 ) includes a piezoelectric transducer ( 44 ) mounted on its housing ( 16 ). To change the valve's state, a microcontroller ( 54 ) causes a valve driver ( 58 ) to drive current...
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6948194 |
Stool flushing device
An object of the present invention is to provide a toilet cleaning device which is capable of cleaning a toilet stool by supplying cleaning water in an appropriate quantity corresponding to the...
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6938280 |
Lavatory with sensor
A lavatory ( 1 ), in particular a toilet or urinal, with sensor-controlled flushing is proposed, which eliminates the need to exchange a battery, or at least ensures a considerably longer service...
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6862754 |
Dual phase flush urinal
A dual-phase flush urinal that maintains itself in a sufficiently sanitary condition with minimal water consumption. The urinal includes a piece of chinaware having a rear wall with a pair of...
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6845524 |
Manual and automatic flusher
A manual and automatic flusher includes an infrared sensor added to a conventional manual flusher, and the infrared sensor consists of an electronic eye and an electro-magnetic valve. The...
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6691979 |
Adaptive object-sensing system for automatic flusher
An automatic flusher employs an infrared-light-type object sensor to provide an output on the basis of which a control circuit decides whether to flush a toilet. After each pulse of transmitted...
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6671890 |
Automatic water feed method in lavatory using artificial retina sensor and automatic water feed mechanism in lavatory using artificial retina sensor
An automatic water feed system and method for providing control of water to lavatory appliances upon sensing a user. The system having a control valve for controlling the flow of water, an...
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6662382 |
Device for automatic release of a flushing process in urinals or similar sanitary appliances
The invention relates to a device for the automatic release of a flushing process after use of a urinal or similar sanitary appliance. The invention is characterized in that at least one sensor is...
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6581215 |
Sterilizing and air conditioning electronic urinal
A sterilizing and air conditioning electronic urinal includes a power rectifier circuit, a microcomputer control unit, a sensitivity control circuit, time delay circuit, a high voltage generating...
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6568655 |
Radar devices for low power applications and bathroom fixtures
A fluid flow device includes an actuator, an RF transmitter, a gated RF receiver, and a processor. The RF transmitter is configured and arranged to produce a plurality of pulses of RF energy spaced...
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6560790 |
Flush control
A high flow valve assembly and a low flow valve assembly are in parallel flow relation between an inlet and an outlet of a flush controller. The valve assemblies are opened by solenoid operated...
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6499152 |
Flush controller
A high flow valve assembly and a low flow valve assembly are in parallel flow relation between an inlet and an outlet of a flush controller housing. The valve assemblies are opened by solenoid...
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6385796 |
Self flushing urinal with integrated gaming and reward system
This interactive urinal is for improving sales and provides revenue from the restroom, especially in an establishment that sells beverages. The urinal is coin vended to provide amusement and also...
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6219857 |
Sensor device for use with a flush valve
A sensor device includes a mounting frame having open front and rear ends, and right and left inner side walls opposite to each other in a longitudinal direction and extending between the front and...
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6212697 |
Automatic flusher with bi-modal sensitivity pattern
In an automated flush system (10), a control circuit (12) controls a flusher (16) in response to the output of a sensor (14). The vertical sensitivity pattern (24) of the sensor (14) is angled...
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6119285 |
Combination, self flush, urinal and hand wash lavatory fixture
A lavatory fixture having a combination, urinal and hand wash faucet for public restrooms, particularly in high traffic locations such as airports, the lavatory fixture having a urinal and hand...
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5901384 |
Toilet assembly having automatic flushing system
A toilet assembly having an automatic flushing system comprising a toilet bowl having a toilet cover, the toilet cover containing a window disposed therein, a water holding tank operatively...
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5862546 |
Combination, self flush, urinal and hand wash lavatory fixture
A lavatory fixture having a combination, urinal and hand wash faucet for public restrooms, particularly in high traffic locations such as airports, the lavatory fixture having a urinal and hand...
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5819336 |
Control system for automatic control of a water rinsing system
Apparatus and method for automatically controlling on-off operation of a battery-driven water rinsing system including a water supply system having electrically actuated actuation means for...
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5680658 |
Urinal flushing control device
A urinal flushing control device, including a three-way pipe having a first end connected to a water intake pipe, a second end connected to a water outlet pipe through a mixing cylinder, and a...
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5651384 |
Control for a sanitary fixture
An infrared proximity sensing circuit for use with sanitary fixtures to control water flow can have an ambient light proximity sensor which can control the period at which the circuit and the...
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5627375 |
Circuit arrangement for a sanitary apparatus
A circuit arrangement for controlling a sanitary device in a non-contact manner includes a pyroelectric sensing circuit for detecting a temperature in a predetermined location and outputting a...
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5594238 |
Touchless switch which discriminates between motion intended to toggle the switch and other forms of motion
A touchless switch using a single detector to measure ambient energy and reflected energy. The detector can detect objects in both the normal unsaturated ambient energy state or when ambient energy...
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5570869 |
Self-calibrating water fluid control apparatus
A self-calibrating fluid flow control apparatus for use with a fluid flow source is provided. A detection area is defined wherein the interposition of an object therein causes a control device to...
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5548119 |
Toilet room sensor assembly
A sensor assembly for use in a toilet room for detecting the adjacent presence of the user of a toilet room device has a body with a hollow threaded mounting shank extending outwardly therefrom....
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5508510 |
Pulsed infrared sensor to detect the presence of a person or object whereupon a solenoid is activated to regulate fluid flow
Pulsed infrared sensor including a solenoid to detect the presence of a person or object whereupon the solenoid is activated to regulate fluid flow, including a microprocessor for receiving inputs...
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5482250 |
Automatic flushing device
There is provided a device attached to the flush valve of an existing stool and adapted for automatically carrying out flushing. This automatic flushing device comprises: a first sensor section for...
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5431181 |
Automatic valve assembly
A valve assembly is disclosed which is adapted to fit existing valve bodies. A flexible diaphragm assembly positioned within the valve body seals against a cylindrical barrel of the valve body. A...
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5398348 |
Water urinal
A water urinal has a urinal body which includes a housing with an opening on its upper portion for receiving a valve used to supply flushing water to the urinal. The valve is attractively concealed...
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5377363 |
Automatic lavatory detergent and perfume dispenser
An automatic lavatory detergent and perfume dispenser including a control circuit assembly, a detergent dispensing device controlled to send a fixed amount of a detergent into a water container...
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5251872 |
Automatic cleaner for male urinal
There is provided an automatic cleaner for a male urinal comprising: a sensor such as pyroelectric sensor, etc. for detecting that a human body comes close to the urinal or away therefrom to output...
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5251340 |
Flush toilet with an automatic sterilizing device
This invention provides a flush toilet with an automatic sterilizing device, which can discharge a small volume of flush water first upon sensing a user having used it, and then discharge a large...
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5224685 |
Power-saving controller for toilet flushing
A power-saving controller for toilet flushing includes a passive pyroelectricity detecting device connected to a microcomputer, which is further connected to an active infrared detecting device,...
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5218971 |
Apparatus for automatically measuring a quantity of urine
A system for automatically measuring a quantity of urine from a plurality of individuals is provided wherein a common urinal can act as both a receptacle for measuring urine from a designated...
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5187816 |
Automatic flushing device
A water and energy efficient automatic flushing device is used to control water flow from a water inlet pipe to a flushing conduit of a plumbing fixture, such as a toilet bowl. The automatic...
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5187818 |
Flushing system for a water closet
An apparatus and method for an improved flushing system for flushing a water closet from a pressurized water line includes sensor which senses an arrival and a departure of a person within a zone...
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5175892 |
Fresh water control system and method
The method of controlling operation of a plurality of fixtures comprises the steps of establishing a maximum fluid flow rate and determining which of the fixtures requires operation. A...
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5133095 |
Method of and system for supplying electric power to automatic water discharge apparatus
An electric power supply system is provided for an automatic water discharge device for discharging water to flush a basin. An object detector detects a person before the basin. A brightness...
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5063955 |
Method of driving an automatic on-off valve for a water passageway
A method of driving an automatic on-off valve for a water passageway uses the automatic on-off valve including an electromagnetic valve for opening and closing the water passageway, a sensor unit...
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5063622 |
Water supply control system
A water supply control system has a faucet actuating means for actuating a water supply faucet to supply water, a light-emitting means for intermittently emitting light at at least a first period,...
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5062453 |
On demand sensor flush valve
An on demand, non-contact sensor controlled flush valve actuation system includes a flush valve between a water supply and a plumbing fixture. An actuator for the flush valve includes a moveable...
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5060323 |
Modular system for automatic operation of a water faucet
A modular system for automatically controlling the operation of a water faucet comprises an electrically operable valve for installation in line of a water supply line to the faucet for controlling...
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5003643 |
Flush controller for a toilet bowl
A flush controller for a toilet bowl which can be readily added to the water reservoir of the currently used toilet bowl, includes a detecting device for detecting that a user has approached the...
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4941219 |
Body heat responsive valve control apparatus
A low voltage battery energized passive detection system generates a control signal in response to radiated heat from a human body part to open a solenoid operated valve for a predetermined limited...
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