Flow-responsive Type Patents (Class 200/81.9R)
  • Publication number: 20130126316
    Abstract: A pressure sensitive circuit breaker trip unit has a case forming a gas receiving cavity and a cavity accommodating movement of an actuator body with a trip lever. The actuator is moved by pressure of circuit interruption gases entering the gas receiving cavity. The actuator body has a hollow therein for accepting the interruption gases and accompanying hot debris thereby reducing any fouling of the movement accommodating cavity which may impede movement of the actuator body on subsequent circuit interruptions.
    Type: Application
    Filed: November 18, 2011
    Publication date: May 23, 2013
    Inventor: Cameron L. Woodson
  • Publication number: 20120132507
    Abstract: A pressure switch comprises a housing having a cavity for conveying a pressurized fluid. The cavity extends from an inlet to an outlet and defines a flow path for the fluid. A pressure-transducing element is provided for measuring the fluid pressure. The pressure-transducing element is in fluid communication with the cavity and is at least partially disposed in the flow path between the inlet and the outlet. The pressure-transducing element has a cylindrical shape with a constant diameter and is partially disposed in a bore in the housing. The bore has a constant bore diameter. One end of the pressure-transducing element extends into the flow path.
    Type: Application
    Filed: September 2, 2011
    Publication date: May 31, 2012
    Inventors: Marcus Kampf, Jürgen Kreutzkämper, Fabian Schmidt, Dieter Schönherr
  • Patent number: 7829806
    Abstract: The present invention provides a flowswitch for installing in piping, featuring a flowswitch base having an inner cavity; a pivot rod being arranged for rotating in the flowswitch base, the pivot rod having a pair of O-ring grooves; a paddle arm being coupled to the pivot rod inside the cavity, for moving in response to fluid flowing in the piping and rotating the pivot arm; lubricating O-rings being installed onto the pivot rod with each O-ring arranged in a respective O-ring groove for providing a respective seal between fluid being sensed and the outside environment and acting as a bearing on which the pivot rod rotates when the paddle arm moves, the grooves acting to holding the O-rings in place on the pivot arm in response to pressurized fluid flowing in the piping; and an actuating arm being coupled between the pivot arm and the pivot rod for actuating a switch when the pivot arm rotates.
    Type: Grant
    Filed: April 20, 2007
    Date of Patent: November 9, 2010
    Assignee: ITT Manufacturing Enterprises, Inc.
    Inventor: John C. Garvey
  • Patent number: 6855897
    Abstract: A portable water treatment apparatus including: a pump, a coarse filter means, an adsorbent filter means, a fine filter means, a silver ion generator downstream of the pump and in series with the adsorbent filter and control means for controlling the operation of said first silver generator whereby said silver ion generator discharges silver ions into the water at a predetermined rate and in response to a predetermined flow rate, said control means including a flow switch.
    Type: Grant
    Filed: July 15, 1999
    Date of Patent: February 15, 2005
    Assignee: AquaPlus Technologies Pty., Ltd.
    Inventor: Donald Charles Dorward
  • Patent number: 6635836
    Abstract: A fluid flow indicator including a disk and spring assembly positioned within a fluid conduit whereby the pulsing force a fluid input biases the disk and spring against an electrical contact thereby completing an electrical circuit and illuminating a visual indicator.
    Type: Grant
    Filed: January 10, 2003
    Date of Patent: October 21, 2003
    Assignee: Oil-Rite Corporation
    Inventor: Shaun M. Beauchamp
  • Patent number: 6563064
    Abstract: A fluid flow switch sensing device includes a switch, a pivotally disposed bracket assembly which activates the switch to a desired switch function, and a paddle assembly for causing pivotal movement of the bracket assembly in response to fluid flow in a conduit. A button assembly, cooperatively associated with the bracket assembly, is provided for external manual actuation and deactuation of the fluid flow switch sensing device.
    Type: Grant
    Filed: December 21, 2000
    Date of Patent: May 13, 2003
    Assignee: ITT Manufacturing Enterprises, Inc.
    Inventors: Amjed Shafique, Christopher J. Thomson
  • Patent number: 6472624
    Abstract: A flow switch for a high pressure washing system or other flow-related system is disclosed. The flow switch switches from an open to a closed position in the presence of adequate flow in a water or other fluid-carrying pipe. The flow switch includes a cartridge body, a sensor, a plunger, a magnet, and a spring. The cartridge body has an inlet port and an outlet port which allows fluid to flow into the cartridge body, through a flow chamber, and out of the cartridge body. The cartridge body also has a sensor chamber for accommodating the sensor. The sensor is positioned within the sensor chamber and is used to determine whether fluid is flowing through the flow chamber. A plunger is positioned within the flow chamber, and is responsive to fluid flow. Between the plunger and the sensor is a spring. The spring prevents the plunger from coming in close proximity to the sensor absent fluid flow.
    Type: Grant
    Filed: September 26, 2000
    Date of Patent: October 29, 2002
    Assignee: GP Companies, Inc.
    Inventors: Jaime Harris, Gary Brown, Joel Fisher
  • Patent number: 6384352
    Abstract: An air sensitive input device is capable of use in a variety of environments which include, without limitation, toys, computer and video games, consumer appliances, musical instruments, and devices which assist the disabled. A housing having an intake port and an exhaust port includes therein a switching mechanism configured to change between open and closed positions in response to air flow entering the intake port.
    Type: Grant
    Filed: April 27, 2000
    Date of Patent: May 7, 2002
    Inventors: Steven Ellman, Lawrence Mass, Fredric Ellman, Julius Ellman