Double-ended Ejector Patents (Class 222/219)
  • Patent number: 10961992
    Abstract: An example apparatus includes a housing including an inlet and an outlet. The example apparatus also includes a rotor defining a bore. The rotor is disposed in the housing. The example apparatus further includes a piston disposed in the bore. A motor is operatively coupled to the rotor to rotate the rotor from a first position to a second position. The bore is to be in fluid communication with the inlet and the outlet when the rotor is in the second position.
    Type: Grant
    Filed: March 20, 2019
    Date of Patent: March 30, 2021
    Assignee: Pentair Filtration Solutions, LLC
    Inventors: Michael Saveliev, John Shanahan, Eric White, Patrick Callaghan
  • Patent number: 10512927
    Abstract: A thread dosing feeder for extracting creams or gelatinous products contained within a tube from the tube whereby the dosing feeder tube can be applied to the tube, the thread dosing feeder comprises a rotary gate feeder (1), the rotary gate feeder (1) has a metering chamber, the metering chamber operates in conjunction with a plunger (3), the rotary gate feeder (1) is pivot-mounted on the thread dosing feeder and the thread dosing feeder has an outlet, and the thread dosing feeder has a re-circulation valve (11, 14, 20), the rotary gate feeder (1) has a concave finger receptor and is formed in one piece, whereby the metering chamber is locked and has an intake and discharge valve (6).
    Type: Grant
    Filed: August 3, 2016
    Date of Patent: December 24, 2019
    Assignee: F + K Innovationen GmbH & Co. KG
    Inventor: Karl-Heinz Fuchs
  • Patent number: 9714120
    Abstract: A device for dosing from a tube (2) for creams or gel-like products, wherein a dosing wheel (1) is provided.
    Type: Grant
    Filed: November 7, 2013
    Date of Patent: July 25, 2017
    Assignee: F + K Innovationen Unternehmergesellschaft (haftungsbeschraenkt)
    Inventor: Karl-Heinz Fuchs
  • Publication number: 20120018454
    Abstract: A modular rotary metering unit comprising: a housing having at least one liquid inlet and liquid outlet; a rotatable member arranged to rotate about a longitudinal axis thereof with respect to the housing; and at least one bore passing through the rotatable member, the or each bore having two opposing ends and a shuttle element received therein, the shuttle element being movable between two terminal positions, each towards a respective end of the bore, wherein, when the rotatable member rotates, each bore moves in communication with a liquid inlet of the housing and a liquid outlet of the housing such that liquid can be received from the liquid inlet by the bore at the one end of the bore and the shuttle element can eject liquid from the other end of the bore to the liquid outlet, wherein respective first and second engagement elements are provided at first and second ends of the unit, each of the engagement elements being rotationally linked to the rotatable member.
    Type: Application
    Filed: November 20, 2009
    Publication date: January 26, 2012
    Inventors: Laurence Richard Penn, Thomas Kevin Milo, Rodney Ralph Brooks, David Donald Breimeier
  • Patent number: 7957962
    Abstract: A fixed codebook searching apparatus which slightly suppresses an increase in the operation amount, even if the filter applied to the excitation pulse has the characteristic that it cannot be represented by a lower triangular matrix and realizes a quasi-optimal fixed codebook search. This fixed codebook searching apparatus is provided with an algebraic codebook that generates a pulse excitation vector; a convolution operation section that convolutes an impulse response of auditory weighted synthesis filter into an impulse response vector that has a value at negative times, to generate a second impulse response vector that has a value at second negative times; a matrix generating section that generates a Toeplitz-type convolution matrix by means of the second impulse response vector; and a convolution operation section that convolutes the matrix generated by matrix generating section into the pulse excitation vector generated by algebraic codebook.
    Type: Grant
    Filed: February 25, 2009
    Date of Patent: June 7, 2011
    Assignee: Panasonic Corporation
    Inventors: Hiroyuki Ehara, Koji Yoshida
  • Publication number: 20090108028
    Abstract: This invention relates to devices and methods to deliver small amounts of fluid in a production environment.
    Type: Application
    Filed: October 14, 2008
    Publication date: April 30, 2009
    Inventors: David F. Duncan, Jeffrey G. Witzel
  • Publication number: 20080237257
    Abstract: A positive displacement material metering system is provided including a housing having an inlet port and an outlet port. A rotatable spindle is within the housing, the spindle provided with a chamber having a pair of openings. A piston is configured to reciprocate within the chamber. Each of the chamber openings is configured to receive liquid material when aligned with the inlet port and to dispense liquid material when aligned with the outlet port.
    Type: Application
    Filed: June 11, 2008
    Publication date: October 2, 2008
    Inventor: Carl L. Schultz
  • Patent number: 7357162
    Abstract: A device for accurately metering food. The device includes an outer part and an inner metering part having a dosing chamber and a piston block slideably mounted therein. The housing outer part has three passageways, and the dosing chamber is configured, dimensioned, and positioned to alternately connect two of the three passageways of the outer part. The inner metering part is configured, dimensioned and positioned for rotation within the outer part. The outer housing part and the inner metering part are mounted concentrically with the inner metering part and the inner metering part has only one degree of liberty in rotation around a central axis of rotation.
    Type: Grant
    Filed: October 22, 2003
    Date of Patent: April 15, 2008
    Assignee: Nestec S.A.
    Inventors: Lars Askman, Richard E. Ludwick
  • Patent number: 6702155
    Abstract: An apparatus and method of delivering adjustable metered doses of a composition from a squeezable container. An embodiment of the apparatus is a metered dose dispenser including a body that includes an inlet channel with a first opening, an outlet channel with a second opening, and a dosing wheel seat. The dosing wheel seat is a cavity defined by the body. The dosing wheel seat communicates with the inlet channel, via the first opening, and with the outlet channel, via the second opening. The metered dose dispenser also includes a removable, rotatable dosing wheel is situated within the dosing wheel seat when the metered dose dispenser is in use. The dosing wheel includes a dosing channel, which may be aligned with the inlet channel and the outlet channel. A plunger is movably situated in the dosing channel, the plunger does not fit through either the first or second opening.
    Type: Grant
    Filed: September 18, 2001
    Date of Patent: March 9, 2004
    Assignee: Solvay Pharmaceuticals, Inc.
    Inventor: Thomas M. Rebne
  • Publication number: 20030111492
    Abstract: The present invention relates to a packaging system intended to simplify the usage of multiple medications stored separately and used together, thereby minimize the non-compliant use of the multiple medications. Generally, the separate medication components are contained in a plurality of compartments, which when a deforming force is applied are released into an outer containment pouch. The medication components can then be mixed together and dispensed from the outer pouch.
    Type: Application
    Filed: December 19, 2001
    Publication date: June 19, 2003
    Inventors: Pramod Gupta, Rajneesh Taneja
  • Patent number: 6409051
    Abstract: An apparatus for dispensing media is provided. The apparatus has a rotating element having a cylindrical bore with a first end and a second end where the rotating element rotates the first end and the second end. The apparatus also includes a housing which has a fixed input port and a fixed output port where the housing encloses the rotating element. The first end and the second end of the rotating element intermittently switches between being aligned with the fixed input port and the fixed output port and being aligned with the fixed output port and the fixed input port, respectively. The apparatus also has a cylindrical piston contained within the cylindrical bore where the cylindrical piston has a length that is less than the cylindrical bore and switches from being closer to the fixed input port and the fixed output port.
    Type: Grant
    Filed: September 28, 2000
    Date of Patent: June 25, 2002
    Assignee: Lam Research Corporation
    Inventor: Glenn W. Travis
  • Patent number: 6059148
    Abstract: A metering device includes an inlet and outlet for a material (liquids, gases or solid particles) to be metered, a rotatable ball driven by a shaft and interposed between the inlet and outlet seats. The rotatable ball has a transverse bore containing a sealess shuttling member which can reciprocate back and forth along the bore between two sealing seats so as to seal against one or the other. The sealess shuttling member is propelled by pressurized material which flows into the bore without surface-to-surface contact of the shuttling member with the bore wall until is engages one of the two sealing seats. Each time the rotatable ball rotates 180.degree., a metered shot is ejected resulting in a quasi continuous flow depending upon a rotatable ball revolution rate.
    Type: Grant
    Filed: October 26, 1998
    Date of Patent: May 9, 2000
    Assignee: Wilhelm A. Keller
    Inventors: Wilhelm A. Keller, Laurence Richard Penn
  • Patent number: 5850946
    Abstract: A metering device includes an inlet and outlet for a material (liquids, gases or solid particles) to be metered, a rotatable ball driven by a shaft and interposed between the inlet and outlet seats. The rotatable ball has a transverse bore containing a sealess shuttling member which can reciprocate back and forth along the bore between two sealing seats so as to seal against one or the other. The sealess shuttling member is propelled by pressurized material which flows into the bore without surface-to-surface contact of the shuttling member with the bore wall until is engages one of the two sealing seats. Each time the rotatable ball rotates 180.degree., a metered shot is ejected resulting in a quasi continuous flow depending upon a rotatable ball revolution rate.
    Type: Grant
    Filed: August 19, 1996
    Date of Patent: December 22, 1998
    Assignee: Wilhelm A. Keller
    Inventors: Wilhelm A. Keller, Laurence Richard Penn
  • Patent number: 5665079
    Abstract: A slide for an eye drop dispenser. The slide, which may be secured to a container, is formed with a longitudinally extending channel and a distal end configured to rest against the lower eyelid of an individual during administration of a drop to the eye. The dispensed drop rolls along the channel and into the eye.
    Type: Grant
    Filed: June 30, 1995
    Date of Patent: September 9, 1997
    Inventor: Norman O. Stahl
  • Patent number: 5547110
    Abstract: The metering device comprises a housing, defining at least one inlet for the material to be metered and at least one outlet for that material, and at least one rotatable ball driven by a shaft, the ball having a transverse bore containing a shuttling ball moving linearly in the bore between two seats and seals against the one or the other seat. The rotatable ball is captured between the seats and seals under pressure against the outlet seat. Such a metering device allows an exact metering, in shot or rapid shot resulting in near continuous flow form, has great simplicity of construction with few working parts such as that it may easily be placed at the dispensing end of a pressure transfer system for liquids and gases and acts as shut off valve between metering use such that it prevents stalled hydrostatic fluid pressure behind the metering device from causing a flow surge ahead of the metering device at start up.
    Type: Grant
    Filed: October 3, 1994
    Date of Patent: August 20, 1996
    Assignee: Wilhelm A. Keller
    Inventors: Wilhelm A. Keller, Laurence R. Penn
  • Patent number: 5509575
    Abstract: A flow divider for substantially eliminating fluid intensification problems and pressure surges includes a housing having an inlet, one or more outlets, and a cavity therebetween. A passageway defining spool is rotatably mounted in the housing cavity and includes passageways corresponding to the outlets that separately periodically connect the inlet to the outlets as the spool is rotated. "Floating" pistons are slideably mounted in the passageways such that the pistons reciprocate in the passageways as the spool is rotated. Specifically, the incoming hydraulic fluid pushes the pistons in the passageways away from the inlet toward the outlet causing a metered volume of pressurized fluid to be moved out of the passageways through the respective outlets and, as the spool is further rotated, the passageways become reversed such that the pistons are again positioned adjacent the inlet and are again forced away from the inlet. Thus, pressurized fluid is dispensed at a predetermined rate and proportion.
    Type: Grant
    Filed: June 30, 1994
    Date of Patent: April 23, 1996
    Assignee: Partnership of Gillette & Nagel
    Inventor: Harold R. Gillette
  • Patent number: 5456298
    Abstract: A device for providing a measured portion of food product on demand in which a portioned metering head has an inlet to receive the food product under pressure and an outlet to discharge the food product onto the food-receiving medium. There is a disk in the housing which has a disk passageway connecting the inlet and outlet passageways of the metering head. Within the disk passageway is a piston which can slide from one end to the other. By rotating the disk, the food product pushes against the piston causing it to push the food product previously within the disk passageway out into the outlet passageway of the metering head. The cycle repeats with the disk rotating 180.degree., once again positioning the piston adjacent to the inlet passageway. A photoelectric eye signals a control mechanism and connected air cylinder to rotate the disk each time a food-receiving medium is disposed under the metering head.
    Type: Grant
    Filed: April 29, 1994
    Date of Patent: October 10, 1995
    Assignee: Handtmann Inc.
    Inventor: Steve Tennis
  • Patent number: 5368195
    Abstract: A fluid dispenser system is provided for accurate delivery of a viscous or semi-viscous fluid. The dispenser system includes a pressure station for receiving a bottle filled with the selected fluid substance, and for pressurizing the bottle for fluid flow therefrom. In the preferred form, the fluid passes through a metering unit to a dispenser gun having a manually operated trigger. The metering unit responds to trigger operation to deliver a metered volume of the fluid to the dispenser gun for dispensing via a spout. The system is designed for quickly and easily dispensing a rapid succession of accurately metered volumes. The dispenser system is particularly suited for use in dispensing condiments in a fast food restaurant environment, or for dispensing metered volumes of paints and/or pigments used in mixing paints, or for handling other flowable materials such as adhesives and the like.
    Type: Grant
    Filed: May 13, 1993
    Date of Patent: November 29, 1994
    Inventors: Lawrence Pleet, Richard J. Heminuk
  • Patent number: 5016690
    Abstract: The dosing device is provided with a storage container (1), in which is located a shaft (3) under the filling height of the product (23). The shaft has at least one bore (5), in which a bilaterally operating piston (6) is depressed by a driven actuating shaft (10) which can be adjusted for length, which enables the desired dosing volume to be obtained. The product arrives into a container via a shut-off valve (8). During operation of this dosing device, the actuating system (10) is raised in the lowest position of the piston, as a result of which the bore is filled with product and the shaft turned by a switchgear motor (4) through 180.degree., after which the piston during its downward travel ejects the volume contained in the bore. This dosing device allows a high filling frequency, precise and simple adjustment of the volume of the individual dosing units, highly aseptic filling and easy cleaning.
    Type: Grant
    Filed: May 11, 1990
    Date of Patent: May 21, 1991
    Inventor: Billy Ljung-crantz
  • Patent number: 4773565
    Abstract: A valve structure including a valve body defining a valve chamber, a pair of annular inlet and outlet seal members, and a tapered valve member journaled in corresponding tapered sealing surfaces in the inlet and outlet seal members. Passages communicate respectively between a fluid source and the inlet passage, the outlet passage and the valve chamber. The maximum diametral dimensions of the valve passage through the valve member at its point of communication with the tapered surface of the valve member is less than the minimum width of the sealing surfaces of the seal members along the path traced by the valve passage as the valve member is rotated. A method of controlling passage of material through such a valve structure is also disclosed.
    Type: Grant
    Filed: April 5, 1985
    Date of Patent: September 27, 1988
    Assignee: Phillips Petroleum Company
    Inventors: Raymond G. Rohlfing, Donald D. Norwood
  • Patent number: 4773626
    Abstract: A valve structure including a valve body defining a valve chamber, a pair of annular inlet and outlet seal members, and a tapered valve member journaled in corresponding tapered sealing surfaces in the inlet and outlet seal member. Passages communicate respectively between a fluid source and the inlet passage, the outlet passage and the valve chamber. The maximum diametral dimensions of the valve passage through the valve member at its point of communication with the tapered surface of the valve member is less than the minimum width of the sealing surfaces of the seal members along the path traced by the valve passage as the valve member is rotated. A method of controlling passage of material through such a valve structure is also disclosed.
    Type: Grant
    Filed: December 2, 1983
    Date of Patent: September 27, 1988
    Assignee: Phillips Petroleum Company
    Inventors: Raymond G. Rohlfing, Donald D. Norwood
  • Patent number: 4767028
    Abstract: A rotating metering valve having a transverse passage which carries a slidable piston reciprocating once for each revolution of the valve for metering particulate material from an inlet port to an outlet port is provided with a dumbbell shaped piston and a purge fluid port in the transverse passage to ensure reliable operation, even while metering small quantities of particulate.
    Type: Grant
    Filed: January 15, 1988
    Date of Patent: August 30, 1988
    Assignee: Phillips Petroleum Company
    Inventors: Raymond G. Rohlfing, Donald D. Norwood
  • Patent number: 4565204
    Abstract: A vapor generating roller assembly includes a hollow perforated roller with a heatable inner surface surrounding a bore. A device which is removably insertable into the bore provides the liquid which is vaporized by the heated surface. The vapor is conveyed from the bore through the perforations into a tress of hair wound around the roller.
    Type: Grant
    Filed: March 28, 1985
    Date of Patent: January 21, 1986
    Assignee: Clairol Incorporated
    Inventor: Jorgen Skovdal
  • Patent number: 4503995
    Abstract: A positive-displacement volumetric metering depositor particularly but not exclusively useful in food production equipment has a continuously-rotating cylinder with a diametrically-disposed metering piston or plunger having the general form of an elongated, relatively narrow rectangular geometric solid of a desired height which moves cyclically across the diametral cylinder passage during its rotation to receive a measured volume of media at the top of cylinder rotation and discharge such volume at the bottom of cylinder rotation. Cams and cam followers control such cyclic piston movement, and are adjustable to vary the volume of the measured charge by changing the relative positions of a pair of complementary component piston parts together defining the composite metering piston.
    Type: Grant
    Filed: March 29, 1982
    Date of Patent: March 12, 1985
    Assignee: Werner Lehara, Inc.
    Inventor: Joseph R. Anderson
  • Patent number: 4416397
    Abstract: A tamperproof dispenser adapted for attachment to a squeeze tube dispenses a metered amount of material from the squeeze tube. The dispenser includes a body adapted for attachment to the squeeze tube, an inlet passage leading to a hollow valve seat, an outlet passage leading away from the valve seat, a rotor in the valve seat, a passage through the rotor adapted for collinear alignment with the inlet and outlet passages, and a slidable piston in the rotor passage. Material is dispensed by ejecting material from the squeeze tube which forces the piston to move through the rotor passage from adjacent the inlet passage toward the outlet passage. The rotor is rotated after each dispensing cycle to reverse the ends of the rotor passage for re-positioning the piston adjacent the inlet passage in preparation for the next dispensing cycle. The valve seat body has first and second annular peripheral edges surrounding adjacent opposite ends of the rotor.
    Type: Grant
    Filed: January 12, 1981
    Date of Patent: November 22, 1983
    Inventor: Frank E. Brown
  • Patent number: 4401015
    Abstract: The invention relates to an apparatus for the production of irregularly trimmed waffle, mainly cheese waffle from batter which has preferably been made as follows: eggs are mixed with milk, melted cheese and flavoring additives to a homogeneous mixture. Then flour and melted fats are added to the mixture with continuous mixing and finally liquid is added until it is diluted to the required consistency. Portions are taken from the resulting batter to be baked between baking plates which form only the sides of the waffle and leave the edges free. The apparatus has baking irons consisting of heatable and closable pairs of baking plates. The baking plates (2a, 2b) of the baking irons (2) have a functional surface forming the sides of the waffle but leaving its edges free. A device (50, 51) for forwarding the baking irons (2) on an endless path, to which device the lower baking plates (2b) of the baking irons (2) are fixed.
    Type: Grant
    Filed: March 27, 1981
    Date of Patent: August 30, 1983
    Assignee: Licencia Talalmanyokat Ertekesito Vallalat
    Inventor: Janos Ziegler