Patents Assigned to Shurflo Pump Manufacturing Co.
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Patent number: 6834768Abstract: A rack for comestible fluid dispensing containers used in a comestible fluid dispensing system. The rack is expandable and/or adjustable in some embodiments to enable an assembler or user to change the capacity of the rack as desired. The racks can be stackable upon one another and can have supports for supporting comestible fluid containers in the rack. In some embodiments, a rail and bracket assembly is employed to facilitate adjustment of the position of fluid dispensing components on the rail. The rail and bracket assembly can be employed on a comestible fluid container rack or in other locations.Type: GrantFiled: August 1, 2002Date of Patent: December 28, 2004Assignee: SHURflo Pump Manufacturing Co., Inc.Inventors: Steven T. Jersey, William W. Chung, Larry D. Broyles, Michael D. Henry, Michael R. Smith
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Patent number: 6715994Abstract: A bilge pump having a mounting member adapted to be mounted to a vessel and a base movably engageable with the mounting member and positionable in at least two positions relative to the mounting member. A housing is releasably coupled to the base and defines a cavity for receiving a motor. A locking ring is engageable with the motor and the housing to secure the motor in the cavity while allowing the motor to be movable with respect to the housing. The cavity in the housing communicates with an outlet portion defining a socket. An outlet nozzle having an outlet end is movably received in the socket so that the outlet end can be moved relative to the housing. These features can be employed individually or in combination to make the bilge pump highly adaptable, thereby facilitating installation.Type: GrantFiled: November 12, 2001Date of Patent: April 6, 2004Assignee: Shurflo Pump Manufacturing Co., Inc.Inventors: Anil B. Patel, Brian A. Babson
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Patent number: 6712497Abstract: Some embodiments of the present invention provide an apparatus for processing material adjacent to a barrier (e.g., a countertop or other surface), wherein the apparatus includes a container located on one side of the barrier and a stator located on an opposite side of the barrier. A rotor can be located within the container, and can be driven by the stator located on an opposite side of the barrier. In some embodiments, the rotor is free from mechanical connection to the stator, which can be controlled to generate a magnetic field driving the rotor within the container. A processing unit (e.g., one or more blades, whisks, brushes, or other elements) can extend from the rotor and be rotatable by rotation of the rotor. Accordingly, any number of different material processing devices can be driven by the rotor and stator when the rotor is brought into magnetic communication with the stator.Type: GrantFiled: May 22, 2002Date of Patent: March 30, 2004Assignee: Shurflo Pump Manufacturing Co., Inc.Inventors: Steven T. Jersey, Michael Saveliev
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Patent number: 6698629Abstract: The comestible fluid dispensing system of the present invention preferably employs a pump or valve operable to control movement of comestible fluid from a comestible fluid source to a tap provided with a draw-back valve. The draw-back valve is preferably capable of drawing comestible fluid in an upstream direction in the tap during closure of the draw-back valve. Preferably, suction generated by closure of the draw-back valve is employed for one or more purposes including: to remove comestible fluid dangling from the tap, to draw comestible fluid into the tap away from view and from exposure to the environment, to reduce comestible fluid buildup on and near the tap outlet, to enclose or at least partially enclose comestible fluid downstream of the draw-back valve, and to operate a downstream cutoff valve in the tap. A damper is employed in some embodiments to control valve movement.Type: GrantFiled: May 10, 2001Date of Patent: March 2, 2004Assignee: SHURflo Pump Manufacturing Co., Inc.Inventor: Christopher J. Taylor-McCune
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Publication number: 20020150486Abstract: Dynamo electric machines and stators for use in such machines are provided. The stators comprise plates configured to be substantially flat and a plurality of spaced apart projections or teeth extending away from the plate and, together with the plate defining a plurality of slots therebetween. The stators comprise masses of metal particles. Using stators made from such metal particles provides enhanced machine efficiency, which is believed to be because of reduced eddy current effects in the stator. Motors including rotors having generally flat arrays of permanent magnetic poles and such stators which are spaced apart from and generally facing the permanent magnetic poles and have a plurality of magnetic windings, and pumps powered by such motors are included within the scope of the present invention.Type: ApplicationFiled: February 15, 2002Publication date: October 17, 2002Applicant: Shurflo Pump Manufacturing Co.Inventors: David J. Cooper, Gary F. McKee, Mike Saveliev, Patrick J. Weaver
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Publication number: 20020081221Abstract: Dynamo electric machines and stators for use in such machines are provided. The stators comprise plates configured to be substantially flat and a plurality of spaced apart projections or teeth extending away from the plate and, together with the plate defining a plurality of slots therebetween. The stators comprise masses of metal particles. Using stators made from such metal particles provides enhanced machine efficiency, which is believed to be because of reduced eddy current effects in the stator. Motors including rotors having generally flat arrays of permanent magnetic poles and such stators which are spaced apart from and generally facing the permanent magnetic poles and have a plurality of magnetic windings, and pumps powered by such motors are included within the scope of the present invention.Type: ApplicationFiled: February 28, 2002Publication date: June 27, 2002Applicant: Shurflo Pump Manufacturing Co.Inventors: David J. Cooper, Gary F. McKee, Mike Saveliev, Patrick J. Weaver
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Patent number: 6382467Abstract: Preferred embodiments of the present invention have a nozzle assembly capable of controlling pressure of comestible fluid exiting the nozzle assembly, a refrigeration system in which refrigerant pressure and temperature is controllable to enable control of comestible fluid temperature, heat exchangers connected to cool comestible fluid in the nozzles, an ultraviolet sterilization system for sterilizing locations outside and inside the system, and a hand held comestible fluid dispenser capable of cooling and selectively dispensing one of several comestible fluids supplied thereto. To improve temperature control and cooling efficiency, the present invention preferably employs heat exchangers adjacent to the nozzle assemblies. The present invention can take the form of a multi-fluid dispensing gun having such a nozzle and heat exchanger relationship and having the pressure controlling valve as described above.Type: GrantFiled: March 12, 2001Date of Patent: May 7, 2002Assignee: Shurflo Pump Manufacturing Co., Inc.Inventors: Michael Saveliev, Thomas Gagliano, James R. Schuster, Louis J. Paolini, Jr.
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Patent number: 6354341Abstract: A nozzle assembly is disclosed which is capable of controlling pressure of comestible fluid exiting the nozzle assembly. To provide comestible fluid at rack pressure to the nozzle of the nozzle assembly, the nozzle can be provided with a valve movable through a number of closed positions to change pressure within the nozzle. Prior to fluid dispense, pressure at the nozzle is preferably reduced by increasing a volume within the nozzle assembly, such as by actuating the valve through its range of closed positions.Type: GrantFiled: November 10, 1999Date of Patent: March 12, 2002Assignee: Shurflo Pump Manufacturing Co., Inc.Inventors: Michael Saveliev, Thomas Gagliano
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Patent number: 6162027Abstract: A pump includes a housing, an enlarged block, an inlet fluid conduit, an outlet fluid conduit and a flexible diaphragm. The housing defines a chamber having an inlet and a spaced apart outlet. The enlarged block is located in the chamber and has a first region and a spaced apart second region. The inlet fluid conduit extends into the chamber, terminates at or near the first region of the enlarged block and has at least one fluid inlet aperture in the chamber. The outlet fluid conduit extends into the chamber, terminates at or near the second region of the enlarged block and has at least one fluid outlet aperture in the chamber. The flexible diaphragm is located in the chamber and is moveable between a first position in which a working fluid from the inlet fluid conduit is prevented from passing toward the outlet fluid conduit and a second position in which the working fluid from the inlet fluid conduit is allowed to pass toward the outlet fluid conduit.Type: GrantFiled: August 5, 1998Date of Patent: December 19, 2000Assignee: Shurflo Pump Manufacturing Co.Inventor: Elden C. Tuell
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Patent number: 6132186Abstract: Dynamo electric machines and stators for use in such machines are provided. The stators comprise plates configured to be substantially flat and a plurality of spaced apart projections or teeth extending away from the plate and, together with the plate defining a plurality of slots therebetween. The stators comprise masses of metal particles. Using stators made from such metal particles provides enhanced machine efficiency, which is believed to be because of reduced eddy current effects in the stator. Motors including rotors having generally flat arrays of permanent magnetic poles and such stators which are spaced apart from and generally facing the permanent magnetic poles and have a plurality of magnetic windings, and pumps powered by such motors are included within the scope of the present invention.Type: GrantFiled: August 6, 1997Date of Patent: October 17, 2000Assignee: Shurflo Pump Manufacturing Co.Inventors: David J. Cooper, Gary F. McKee, Mike Saveliev, Patrick J. Weaver
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Patent number: 6050662Abstract: Apparatus for holding any one of a plurality of differently configured pumps to facilitate use of such pumps, for example, in dispensing beverages. The apparatus includes a housing and a plurality of different sets of elements located on the housing. Each different set of elements is adapted to at least assist in holding one of a plurality of differently configured pumps to the housing. The apparatus can be linked together to very effectively and conveniently provide for the management and maintenance of a relatively large number of pumps, being used in dispensing a correspondingly relatively large number of beverages.Type: GrantFiled: April 22, 1998Date of Patent: April 18, 2000Assignee: Shurflo Pump Manufacturing Co.Inventors: Gregory C. Filipek, Steven T. Jersey, Brian Babson
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Patent number: 6048183Abstract: A diaphragm or gasket pump is provided with modified outlet valve and/or inlet valve assemblies which enhance the outlet and/or inlet valve effectiveness and provide long, effective valve lives.Type: GrantFiled: February 6, 1998Date of Patent: April 11, 2000Assignee: Shurflo Pump Manufacturing Co.Inventor: Humberto Meza
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Patent number: 5992695Abstract: A dispensing system has a gas-powered pump 5 supplied with gas through an inlet 16 from a supply 7 when an actuation valve 11 is operated, the actuation valve also causing the opening of a dispense valve 9 in the outlet 18 of the pump. Gas supplied to the inlet 16 displaces a drive piston 35 against the action of a return spring 41. A rod 31 movable by the drive piston 35 extends into a pumping cylinder 13 where it drives a two-part pumping piston 33 over a substance dispensing stroke. As the substance is being dispensed by the piston 33 a fresh charge of the substance is drawn into the cylinder through a substance inlet 27 connected to a supply 3, which may be a bag-in-box. During the return stroke, lost motion between an inner piston part 43 fixed to the rod 31 and an outer collar-shaped piston part 51 is adjustable by limit switches (109, FIG. 5B) or locking pins (99, FIG. 5A). The actuation valve may be push-button operated (FIGS. 4A and 4B).Type: GrantFiled: March 20, 1998Date of Patent: November 30, 1999Assignee: Shurflo Pump Manufacturing. Co.Inventor: Michael John Start
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Patent number: 5833437Abstract: Pumps, for example, bilge pumps, comprise a pump housing including an inlet and an outlet, a motor and an impeller assembly coupled to the motor for pumping liquid which passes through the outlet. The motor is advantageously cooled by pumped liquid while being protected from the pumped liquid. Further, the motor is turned on and off in response to actual operating conditions, thereby increasing pump life and reducing overall power consumption. The pump provides contoured facing surfaces which provide a dynamically efficient flow path for the pumped liquid. In addition, a switch housing is preferably provided to allow liquid to contact an activator assembly which turns the motor on.Type: GrantFiled: July 2, 1996Date of Patent: November 10, 1998Assignee: Shurflo Pump Manufacturing Co.Inventors: Brian J. Kurth, Charles W. Manahan, Anil B. Patel, Kenneth Peterson
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Patent number: 5800702Abstract: A new raw water strainer includes a body having a closed first end and an open second end and defining a chamber therebetween. The chamber has a central axis intersecting the first and second ends. An inlet is provided including an inlet passage in fluid communication with the chamber. An outlet, spaced apart from the inlet, is also provided and includes an outlet passage in fluid communication with the chamber. A cover is included which is sized and adapted to be secured to the body to close the open second end. A screen assembly having first and second sides positioned in the chamber at an angle of about 45.degree. or less relative to the central axis is located so that it is between the inlet and the outlet. A basket assembly is provided which is sized and adapted to be removably placed in the chamber and to carry the screen assembly.Type: GrantFiled: June 18, 1996Date of Patent: September 1, 1998Assignee: Shurflo Pump Manufacturing Co.Inventors: Christopher J. Taylor-McCune, Niculae G. Popescu, William V. Stucker
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Patent number: 5800136Abstract: A pump includes a housing having at least a first pumping chamber, an inlet, an inlet passage leading from the inlet to the pumping chamber, an outlet and an outlet passage leading from the pumping chamber to the outlet. A first pumping member is movable in the pumping chamber on an intake stroke whereby fluid from the inlet passage is drawn into the pumping chamber and on a discharge stroke whereby fluid in the pumping chamber is discharged into the outlet passage. A drive is provided for moving the pumping member on the intake and discharge strokes. A bypass passage leads from a location in the outlet passage to a location in the inlet passage. A bypass valve is provided and is movable in response to the pressure from the outlet passage and substantially independent of the pressure from the inlet passage between an open position in which fluid flows through the bypass passage and a closed position in which fluid is prevented from flowing through the bypass passage.Type: GrantFiled: February 28, 1997Date of Patent: September 1, 1998Assignee: Shurflo Pump Manufacturing Co.Inventors: Brian J. Kurth, Anil B. Patel
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Patent number: 5791882Abstract: A pump comprising a housing, a diaphragm mounted in the housing, a pumping member or members, and a drive, preferably a wobble plate drive, for driving the pumping member or members on intake and discharge strokes. The wobble plate is preferably mounted on a ball bearing and includes a snap retainer assembly to retain the bearing in place without force fitting. The wobble plate preferably defines one or more open ended chambers in which the pumping member or members are placed. The annular zone or zones of the diaphragm which flex when driven by the wobble plate drive to provide the pumping action are configured to increase efficiency and/or to reduce wear.Type: GrantFiled: April 25, 1996Date of Patent: August 11, 1998Assignee: Shurflo Pump Manufacturing CoInventors: William V. Stucker, Christopher J. Taylor-McCune, Raffi Pinedjian, Alfonso O. Macias
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Patent number: 5667105Abstract: A delivery system comprising a pump connectable to a source of pumpable material, such as flowable condiment, and a control valve including a valve body and a valve element. The valve body has an inlet coupled to the pump to receive the pumpable material from the pump, a resiliently expandable portion chamber, an inlet passage extending from the inlet to the portion chamber, an outlet and a discharge passage extending from the portion chamber to the outlet. The valve element is movable in the valve body between a charging position in which the valve element blocks the discharge passage and does not block the inlet passage so the pump can supply the pumpable material under pressure to the portion chamber to resiliently expand the portion chamber and a discharge position in which the valve element blocks the inlet passage and does not block the outlet passage so the portion chamber can resiliently contract to move the pumpable material from the portion chamber toward the outlet.Type: GrantFiled: May 8, 1995Date of Patent: September 16, 1997Assignee: Shurflo Pump Manufacturing Co.Inventors: E. Dale Hartley, F. Scott Hartley, Gary F. McKee, Christopher J. Taylor-McCune
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Patent number: D455440Type: GrantFiled: December 1, 2000Date of Patent: April 9, 2002Assignee: SHURflo Pump Manufacturing Co., Inc.Inventors: Idil Yorulmazoglu, Richard Claypool Cameron, Ronald R. Dir, Matthew G. Goulet
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Patent number: D459153Type: GrantFiled: May 22, 2000Date of Patent: June 25, 2002Assignee: SHURflo Pump Manufacturing Co., Inc.Inventor: Christopher J. Taylor-McCune