Patents Assigned to Fluidmaster, Inc.
  • Patent number: 10899598
    Abstract: Some embodiments include a fluid control system with an outlet valve assembly, an inlet valve assembly including a venturi inlet valve, and an actuator coupled to the inlet valve assembly. In some embodiments, the actuator can enable a user to control a flush volume of fluid control system. Some embodiments include a moveable float positioned in a chamber of the outlet valve assembly, where the chamber includes a variably-sized upper portion with a volume that is based at least in part on a variable position of the moveable float in the chamber. Some embodiments include a adjustable control valves coupled to an outer surface of the outlet valve assembly and the inlet valve assembly. Some embodiments also include a bellows positioned in and coupled to the variably-sized upper portion. In some embodiments, the bellows are fluidly coupled to the venturi inlet valve and at least one of the control valves.
    Type: Grant
    Filed: August 7, 2018
    Date of Patent: January 26, 2021
    Assignee: FLUIDMASTER, INC.
    Inventors: Tuan Le, Adam Sampson
  • Patent number: 10774512
    Abstract: A fill valve system with a float nested in a container connected to the fill valve and a siphon device passing water out of the container into the toilet tank, with the siphon device having an air vent dimensioned such that: (i) tank refilling is delayed until after the flush valve closes; (ii) the fill valve is not turned on by small leaks in the tank; and (iii) the fill valve turns off when it encounters large leaks in the tank.
    Type: Grant
    Filed: March 14, 2016
    Date of Patent: September 15, 2020
    Assignee: FLUIDMASTER, INC.
    Inventor: Tuan Le
  • Patent number: 10767766
    Abstract: Some embodiments include a fluid valve assembly with an outlet base dimensioned to be positioned through a drain in a fluid tank, and a float assembly including a moveable float. The moveable float can form a fluid-tight seal at a first end when the moveable float is coupled to the outlet base, and a flow opening when the moveable float is at least partially decoupled from the outlet base. Some embodiments include a housing positioned with the moveable float, where the housing encloses a suction device coupled to a moveable piston. Some embodiments include an actuable diaphragm positioned in the outlet base, and a compressed air tube or passageway coupled to one side the actuable diaphragm. In some embodiments, the actuable diaphragm is configured and arranged to be actuated by compressed air to move the moveable piston.
    Type: Grant
    Filed: October 3, 2018
    Date of Patent: September 8, 2020
    Assignee: FLUIDMASTER, INC.
    Inventors: Tuan Le, Joseph Han
  • Patent number: 10704244
    Abstract: A fill valve with pressure chamber having an open bottom end and a diaphragm at a top end such that falling water level in the toilet tank causes the diaphragm to flex in a first direction, thereby moving a sealing member to an open position, with a venturi in the fill valve keeping the sealing member in the open position until water refilling the tank causes the diaphragm to flex in a second direction, thereby moving the sealing member back to the closed position.
    Type: Grant
    Filed: March 14, 2016
    Date of Patent: July 7, 2020
    Assignee: FLUIDMASTER, INC.
    Inventor: Tuan Le
  • Patent number: 10676905
    Abstract: A flow diverter for diverting flow between a toilet bowl and a toilet tank, having: a body having an inlet, a first outlet and a second outlet; and a flow adjustment mechanism rotatable within the body to selectively divert different percentages of flow between the first outlet and the second outlet; and an air vent and diaphragm in the body to prevent a siphon flow from the first or second outlet back to the inlet.
    Type: Grant
    Filed: November 6, 2018
    Date of Patent: June 9, 2020
    Assignee: FLUIDMASTER, INC.
    Inventor: Tuan Le
  • Patent number: 10577786
    Abstract: Some embodiments include a fluid control assembly with a flapper canister, a linkage rotatably coupled to the flapper canister and to a support of a mount. In some embodiments, the flapper canister can be angled with respect to the mount to enable the flapper canister to be coupled to various sizes, types and orientations of flush valves. In some embodiments, by rotating the linkage about pivots coupled to the flapper canister and the support and pivoting or rotating about a motion-enabling element coupling the mount and a support, the flapper canister can be raised, lowered, and/or rotated or pivoted enabling the flapper canister to be sealed against a flush valve orifice. In some embodiments, the flapper canister includes a buoyancy control tube providing fluid coupling between one side of the flapper canister to an opposite side and enabling buoyancy-assist to the position or motion of the flapper canister.
    Type: Grant
    Filed: February 6, 2018
    Date of Patent: March 3, 2020
    Assignee: FLUIDMASTER, INC.
    Inventor: Tuan Le
  • Patent number: 10557560
    Abstract: Some embodiments include a flow regulator with a main body dimensioned to be received within a flow passageway that includes an inlet and an outer surface, and an inner volume positioned within the main body and extending from the inlet along at least a partial length of the main body. Some embodiments includes two separate spiral structures positioned spiraled around the main body where one spiral extends further from the outer surface than the other. Some embodiments include a fluid flow space extending between the spirals. Based on a fluid pressure, the spirals can expand and contract to control the fluid flow space and affect downstream, fluid flow rate as a function of upstream fluid pressure.
    Type: Grant
    Filed: February 23, 2018
    Date of Patent: February 11, 2020
    Assignee: FLUIDMASTER, INC.
    Inventors: Varadaraju Gandikota, Venkat Mallela, Andres Quiroga, Adam Sampson
  • Patent number: 10415221
    Abstract: A toilet flush lever assembly having an adjustable length internal lever arm with a variable angle of connection to a short arm that passes through the wall of the toilet tank such that the angle of mounting of the adjustable length internal lever arm to an external flush lever arm is adjustable.
    Type: Grant
    Filed: May 27, 2016
    Date of Patent: September 17, 2019
    Assignee: FLUIDMASTER, INC.
    Inventors: Venkat Mallela, Shijin Komath, Jithin Karukasseril Vijayan, Manivannan Venkatachalam
  • Patent number: 10352030
    Abstract: A toilet having a tank to receive water and a bowl connected with the tank. Water travels from the tank to the bowl to discharge waste in the bowl through a manifold connected to the bowl and into a drain line. The toilet has a jet trapway portion having a jet inlet with a nozzle connected with the tank. The nozzle directs water from the jet inlet to overcome an upward bend in the jet trapway portion until received by the manifold at an inlet below the upward bend. A waste trapway portion extends from the manifold opposite the jet trapway portion and connects with the drain line. Waste is discharged from the bowl through the manifold over a bend in the waste trapway portion by combining water flowing from the jet trapway portion into the manifold with waste flowing from the manifold into the waste trapway portion.
    Type: Grant
    Filed: March 7, 2016
    Date of Patent: July 16, 2019
    Assignee: FLUIDMASTER, INC.
    Inventor: Tuan Le
  • Patent number: 10316502
    Abstract: A flow diverter for diverting flow between a toilet bowl and a toilet tank, the flow diverter having: a body with an inlet, outlet and pressure relief vent; and a flow adjustment mechanism rotatable around the outlet to selectively divert different percentages of flow between the outlet and the pressure relief vent by moving a stopper in and out of the outlet by rotating a sleeve of the flow adjustment mechanism around the outlet.
    Type: Grant
    Filed: March 11, 2016
    Date of Patent: June 11, 2019
    Assignee: FLUIDMASTER, INC.
    Inventor: Tuan Le
  • Publication number: 20190039877
    Abstract: Some embodiments include a fluid control system with an outlet valve assembly, an inlet valve assembly including a venturi inlet valve, and an actuator coupled to the inlet valve assembly. In some embodiments, the actuator can enable a user to control a flush volume of fluid control system. Some embodiments include a moveable float positioned in a chamber of the outlet valve assembly, where the chamber includes a variably-sized upper portion with a volume that is based at least in part on a variable position of the moveable float in the chamber. Some embodiments include a adjustable control valves coupled to an outer surface of the outlet valve assembly and the inlet valve assembly. Some embodiments also include a bellows positioned in and coupled to the variably-sized upper portion. In some embodiments, the bellows are fluidly coupled to the venturi inlet valve and at least one of the control valves.
    Type: Application
    Filed: August 7, 2018
    Publication date: February 7, 2019
    Applicant: FLUIDMASTER INC.
    Inventors: TUAN LE, ADAM SAMPSON
  • Patent number: 10119259
    Abstract: A flow diverter for diverting flow between a toilet bowl and a toilet tank, having: a body having an inlet, a first outlet and a second outlet; and a flow adjustment mechanism rotatable within the body to selectively divert different percentages of flow between the first outlet and the second outlet; and an air vent and diaphragm in the body to prevent a siphon flow from the first or second outlet back to the inlet.
    Type: Grant
    Filed: February 7, 2017
    Date of Patent: November 6, 2018
    Assignee: FLUIDMASTER, INC.
    Inventor: Tuan Le
  • Publication number: 20180275687
    Abstract: Some embodiments include a flow regulator with a main body dimensioned to be received within a flow passageway that includes an inlet and an adjustable outlet. Further, some embodiments include an inner chamber positioned in the main body extending from at least proximate the inlet of the main body along at least a partial length of the main body and positioned as an upstream section. Some embodiments include a compressible or expandable extending vane extending from the main body and extending around the inner chamber. Some further embodiments include an adjustable fluid flow space extending around or over at least a portion of the extended vane that is configured to receive at least some fluid from at least a portion of the flow passageway, where the fluid comprises a fluid flow rate and a fluid pressure.
    Type: Application
    Filed: March 23, 2018
    Publication date: September 27, 2018
    Applicant: FLUIDMASTER, INC.
    Inventor: Joseph HAN
  • Publication number: 20180238464
    Abstract: Some embodiments include a flow regulator with a main body dimensioned to be received within a flow passageway that includes an inlet and an outer surface, and an inner volume positioned within the main body and extending from the inlet along at least a partial length of the main body. Some embodiments includes two separate spiral structures positioned spiraled around the main body where one spiral extends further from the outer surface than the other. Some embodiments include a fluid flow space extending between the spirals. Based on a fluid pressure, the spirals can expand and contract to control the fluid flow space and affect downstream, fluid flow rate as a function of upstream fluid pressure.
    Type: Application
    Filed: February 23, 2018
    Publication date: August 23, 2018
    Applicant: FLUIDMASTER, INC.
    Inventors: VARADARAJU GANDIKOTA, VENKAT MALLELA, ANDRES QUIROGA, ADAM SAMPSON
  • Publication number: 20180230684
    Abstract: Some embodiments include a toilet flush lever assembly that automatically releases a flush lever arm to stop a flush prior to a user releasing the flush handle. Some embodiments include a handle, a rotatable linkage coupled to the handle, and a flush lever in contact with the rotatable linkage, where rotation of the handle starts the flush. Further, some embodiments include a release mechanism for releasing the flush lever from the rotatable linkage when the handle has been rotated to a pre-determined point of rotation, thereby shutting off the flush.
    Type: Application
    Filed: February 14, 2018
    Publication date: August 16, 2018
    Applicant: FLUIDMASTER, INC.
    Inventor: Joseph Han
  • Publication number: 20180223511
    Abstract: Some embodiments include a fluid control assembly with a flapper canister, a linkage rotatably coupled to the flapper canister and to a support of a mount. In some embodiments, the flapper canister can be angled with respect to the mount to enable the flapper canister to be coupled to various sizes, types and orientations of flush valves. In some embodiments, by rotating the linkage about pivots coupled to the flapper canister and the support and pivoting or rotating about a motion-enabling element coupling the mount and a support, the flapper canister can be raised, lowered, and/or rotated or pivoted enabling the flapper canister to be sealed against a flush valve orifice. In some embodiments, the flapper canister includes a buoyancy control tube providing fluid coupling between one side of the flapper canister to an opposite side and enabling buoyancy-assist to the position or motion of the flapper canister.
    Type: Application
    Filed: February 6, 2018
    Publication date: August 9, 2018
    Applicant: FLUIDMASTER, INC.
    Inventor: TUAN LE
  • Publication number: 20180202137
    Abstract: A toilet flush lever assembly having an adjustable length internal lever arm with a variable angle of connection to a short arm that passes through the wall of the toilet tank such that the angle of mounting of the adjustable length internal lever arm to an external flush lever arm is adjustable.
    Type: Application
    Filed: May 27, 2016
    Publication date: July 19, 2018
    Applicant: FLUIDMASTER, INC.
    Inventors: Venkat MALLELA, Shijin KOMATH, Jithin Karukasseril VIJAYAN, Manivannan VENKATACHALAM
  • Publication number: 20180112383
    Abstract: A toilet having a tank to receive water and a bowl connected with the tank. Water travels from the tank to the bowl to discharge waste in the bowl through a manifold connected to the bowl and into a drain line. The toilet has a jet trapway portion having a jet inlet with a nozzle connected with the tank. The nozzle directs water from the jet inlet to overcome an upward bend in the jet trapway portion until received by the manifold at an inlet below the upward bend. A waste trapway portion extends from the manifold opposite the jet trapway portion and connects with the drain line. Waste is discharged from the bowl through the manifold over a bend in the waste trapway portion by combining water flowing from the jet trapway portion into the manifold with waste flowing from the manifold into the waste trapway portion.
    Type: Application
    Filed: March 7, 2016
    Publication date: April 26, 2018
    Applicant: FLUIDMASTER, INC.
    Inventor: TUAN LE
  • Publication number: 20180080206
    Abstract: A fill valve with pressure chamber having an open bottom end and a diaphragm at a top end such that falling water level in the toilet tank causes the diaphragm to flex in a first direction, thereby moving a sealing member to an open position, with a venturi in the fill valve keeping the sealing member in the open position until water refilling the tank causes the diaphragm to flex in a second direction, thereby moving the sealing member back to the closed position.
    Type: Application
    Filed: March 14, 2016
    Publication date: March 22, 2018
    Applicant: FLUIDMASTER, INC.
    Inventor: TUAN LE
  • Publication number: 20180066421
    Abstract: A fill valve system with a float nested in a container connected to the fill valve and a siphon device passing water out of the container into the toilet tank, with the siphon device having an air vent dimensioned such that: (i) tank refilling is delayed until after the flush valve closes; (ii) the fill valve is not turned on by small leaks in the tank; and (iii) the fill valve turns off when it encounters large leaks in the tank.
    Type: Application
    Filed: March 14, 2016
    Publication date: March 8, 2018
    Applicant: FLUIDMASTER, INC.
    Inventor: TUAN LE