Patent application number | Description | Published |
20100218829 | Diaphragm Valve With Electronic Pressure Detection - A flush valve for a waste water system comprises a valve including a fluid inlet, a fluid outlet and a main valve element adapted for movement to allow fluid flow between the fluid inlet and the fluid outlet based on a pressure differential across a portion of the main valve element. The valve also includes a vent system comprising a control chamber in flow communication with the fluid inlet of the valve and a vent outlet in flow communication with the fluid outlet of the valve, and a solenoid for venting fluid venting fluid from the control chamber to the fluid outlet. A pressure sensor, such as an electronic pressure transducer, senses the fluid pressure of fluid within the vent system. When a predetermined pressure threshold is reached or exceeded, the solenoid can be energized to release fluid from the control chamber. | 09-02-2010 |
20100218833 | Diaphragm Valve With Electronic Pressure Detection - A flush valve for a waste water system comprises a valve including a fluid inlet, a fluid outlet and a main valve element adapted for movement to allow fluid flow between the fluid inlet and the fluid outlet based on a pressure differential across a portion of the main valve element. The valve also includes a vent system comprising a control chamber in flow communication with the fluid inlet of the valve and a vent outlet in flow communication with the fluid outlet of the valve, and a solenoid for venting fluid venting fluid from the control chamber to the fluid outlet. A pressure sensor, such as an electronic pressure transducer, senses the fluid pressure of fluid within the vent system. When a predetermined pressure threshold is reached or exceeded, the solenoid can be energized to release fluid from the control chamber. | 09-02-2010 |
20100222930 | Diaphragm Valve Controlled Through Electronic Pressure Detection and Method - A flush valve for a waste water system comprises a valve including a fluid inlet, a fluid outlet and a main valve element adapted for movement to allow fluid flow between the fluid inlet and the fluid outlet based on a pressure differential across a portion of the main valve element. The valve also includes a vent system comprising a control chamber in flow communication with the fluid inlet of the valve and a vent outlet in flow communication with the fluid outlet of the valve, and a solenoid for venting fluid venting fluid from the control chamber to the fluid outlet. A pressure sensor, such as an electronic pressure transducer, senses the fluid pressure of fluid within the vent system and regulates water flow through the valve based on the sensed fluid pressure so as to deliver a predetermined quantity of water through the valve. | 09-02-2010 |
20120144572 | Toilet Fixture with Directional Jet Flow - A flush toilet is disclosed. The flush toilet includes a bowl having a waste receiving surface, a drainage channel having an inlet connected to a bottom portion of the bowl for discharging waste, and a throat adjacent the waste receiving surface and aligned with the drainage channel The flush toilet also includes a first water cleansing jet for supplying cleansing water onto the waste receiving surface. The first water cleansing jet is disposed within the throat. The flush toilet also includes a second water cleansing jet for supplying cleansing water onto the waste receiving surface. The second water cleansing jet is also disposed within the throat, with the second water cleansing jet being offset from the first water cleansing jet. | 06-14-2012 |
20120205568 | Diaphragm Valve With Electronic Pressure Detection - A flush valve for a waste water system comprises a valve including a fluid inlet, a fluid outlet and a main valve element adapted for movement to allow fluid flow between the fluid inlet and the fluid outlet based on a pressure differential across a portion of the main valve element. The valve also includes a vent system comprising a control chamber in flow communication with the fluid inlet of the valve and a vent outlet in flow communication with the fluid outlet of the valve, and a solenoid for venting fluid venting fluid from the control chamber to the fluid outlet. A pressure sensor, such as an electronic pressure transducer, senses the fluid pressure of fluid within the vent system. When a predetermined pressure threshold is reached or exceeded, the solenoid can be energized to release fluid from the control chamber. | 08-16-2012 |
20130277581 | Rigid Piston Retrofit for a Diaphragm Flush Valve - A rigid piston assembly for use in a conventional flush valve includes a rigid piston configured to fixedly engage within the valve body. The present invention is also directed to a flush valve for a plumbing fixture as well as a method of retrofitting a rigid piston into a diaphragm flush valve body. | 10-24-2013 |
20140145103 | Rigid Piston Valve Incorporating a Solenoid - A rigid piston assembly for use in a conventional flush valve includes a rigid piston and a solenoid configured to fixedly engage within the valve body. A flush valve for a plumbing fixture as well as a method of retrofitting a piston valve into a diaphragm flush valve body includes a rigid piston and solenoid configuration. | 05-29-2014 |
20140182055 | Method of Monitoring Wear in a Diaphragm Valve Using Pressure Detection - A flush valve for a waste water system comprises a valve including a fluid inlet, a fluid outlet and a main valve element adapted for movement to allow fluid flow between the fluid inlet and the fluid outlet based on a pressure differential across a portion of the main valve element. The valve also includes a vent system comprising a control chamber in flow communication with the fluid inlet of the valve and a vent outlet in flow communication with the fluid outlet of the valve, and a solenoid for venting fluid venting fluid from the control chamber to the fluid outlet. A pressure sensor, such as an electronic pressure transducer, senses the fluid pressure of fluid within the vent system. When a predetermined pressure threshold is reached or exceeded, the solenoid can be energized to release fluid from the control chamber. | 07-03-2014 |
20140259345 | Fence Valve With Indicator - A fence valve to catch material introduced into a pipe is disclosed. The fence valve includes a housing defining a chamber and includes a catch plate disposed within the chamber that is movable with respect to the housing. The catch plate includes at least one magnetic region. The valve further includes a magnetic body in communication with at least a portion of the chamber, an indicator in communication with the catch plate, and a cable having a first end secured to the catch plate and a second end secured to a hook. The catch plate is transitionable from a first position in which the catch plate is disposed at a first location within the chamber, to a second position in which the catch plate is displaced from the first location. The catch plate is detachably held in the first position by interaction between the at least one magnetic region and the magnetic body. | 09-18-2014 |
20140261740 | System for Detecting a Valve Replacement Kit and a Method of Use Thereof - A system for detecting a valve replacement element including a flush valve including a fluid inlet, a fluid outlet, and a main valve element adapted for movement between a first position in which the fluid inlet and the fluid outlet are in fluid isolation, and a second position in which the fluid inlet and the fluid outlet are in fluid communication is disclosed. The main valve element includes a replaceable portion. The system also includes a sensor for monitoring usage of the replaceable portion of the main valve element, and an indicator in communication with the sensor for alerting an operator when the replaceable portion of the main valve element should be replaced. | 09-18-2014 |
20140261783 | System and Method for a Diaphragm Valve Controlled Through Measurement of Water Pressure and Solenoid Opening Time - A flush valve system is provided having an inlet and an outlet, and a main valve element adapted for transition between a closed position and an open position is disclosed. The flush valve further includes a control chamber in communication with the inlet, and a vent outlet in communication with the outlet. The system includes a solenoid for establishing communication between the control chamber and the vent outlet to establish a pressure differential across a portion of the main valve element. The system also includes a power supply for energizing the solenoid, a deployable actuator in communication with the power supply, and a microprocessor in electrical communication with the main valve element. The microprocessor is adapted to determine a valve opening time, calculate fluid pressure based on the valve opening time, and deliver a predetermined quantity of fluid through the valve based on fluid pressure. | 09-18-2014 |
20140263753 | Double-Acting Tamper-Resistant Aerator and Aerator System - A tamper-resistant aerator including an aerator cartridge, an insert defining at least one removal slot, and a locking ring defining at least one removal slot at least partially disposed within a housing is disclosed. The locking ring rotates with respect to the housing to allow alignment of the removal slot of the locking ring with the removal slot of the insert. Alignment of the slots form a continuous passageway through the locking ring and into the insert. Alternatively, a plurality of removal slots may be provided. A mating engagement between the locking ring and the housing secures the locking ring within the housing while still allowing it to rotate with respect to the housing. An aerator system is also provided comprising an aerator as described above and a tool adapted to be received in the continuous passageway formed by the alignment of the slots and engage the insert. | 09-18-2014 |
20150013432 | Method of Monitoring Wear in a Diaphragm Valve Using Pressure Detection - A system for detecting wear in a flush valve includes at least one pressure sensor adapted to measure a water pressure within the flush valve and at least one microprocessor in communication with the at least one pressure sensor. The at least one microprocessor is configured to determine the water pressure within the flush valve measured by the at least one pressure sensor at or after a predetermined time following operation of the flush valve that is equal to or exceeding a known time required to reseal the flush valve during normal operation, compare the determined water pressure with a pressure value sufficient to reseal the flush valve during normal operation, and determine if the flush valve is worn based at least partially on the comparison. A method and apparatus is also disclosed. | 01-15-2015 |