Magnetic Patents (Class 141/DIG1)
  • Patent number: 4614436
    Abstract: A method of vibrating mass material in moulds or forms is described, there being used a vibrator attached to the mould, for such as the vibration of refractory masses for lining metallurgical vessels or the vibration of concrete in forms. The invention is distinguished in that vibration takes place continuously during movement of the vibrator on the mould in time with the mould being filled with mass material. The vibrator, which is attached to a plate having a built-in magnet, preferably an electromagnet, is attached to the mould and moved on it with the aid of a device acting on the vibrator itself, the device being controlled by a driven member, e.g. a screw, a power ram or the like.
    Type: Grant
    Filed: February 13, 1985
    Date of Patent: September 30, 1986
    Inventor: Lars I. Setterberg
  • Patent number: 4588001
    Abstract: A rotary filling apparatus and method are provided that are of the type which use gravity to fill liquids into a plurality of containers while they rotate about a rotary filling head. The apparatus includes a level control chamber having a sensor that is disposed from the axial center of the apparatus a distance that is substantially the same as that between this axial center and the nozzle orifice through which the liquids are dispensed into the container, so that the centrifugal force at the sensor is substantially the same as that at the dispensing nozzle when the rotary head is rotated during the filling operation in order to maintain a substantially constant hydraulic head during the operation. The nozzle orifice is included within a nozzle assembly that directs the liquid in a non-vertical direction toward a sidewall of each container being filled.
    Type: Grant
    Filed: May 1, 1985
    Date of Patent: May 13, 1986
    Assignee: The Kartridg Pak Co.
    Inventor: George E. Leonard
  • Patent number: 4566286
    Abstract: An ice-making machine includes a hopper (10) which is provided with means for automatically switching the machine off when the ice collected in the hopper rises to a predetermined level. The hopper comprises a cup-shaped bowl (14) covered with a flanged collar (24) slidable within the bowl. The collar (24) in turn is covered with a lid (32) which is press fitted onto its upper cylindrical part (28). Magnetic switches (38 and 40) are attached to collar (24) and magnetically sensitive contacts of the switches are mounted in bowl (14). The switches are connected in series in the circuit of the drive motor of the ice-making machine and are normally closed. When ice fills the bowl to a predetermined level, the lid and the collar, which is rigidly connected to the lid, are lifted, thereby breaking the contacts and turning the ice-making machine off. When, after consumption of ice, its level in the bowl is lowered, the lid and the collar descend, closing the contacts and reenergizing the ice-making machine.
    Type: Grant
    Filed: April 27, 1984
    Date of Patent: January 28, 1986
    Inventor: Paul Keller
  • Patent number: 4555174
    Abstract: Apparatus for conveying magnetically attractable particles from a first position to a second position including a support member, such as a disc, adapted for rotation and having at least one surface area at which a magnetic field is presented that passes between the first and second positions. More than one support member, each having at least one surface area at which a magnetic field is presented provides another arrangement wherein the support members are serially arranged to extend between the first and second positions so the magnetically attractable particles are carried from one support member to the next.
    Type: Grant
    Filed: December 19, 1983
    Date of Patent: November 26, 1985
    Assignee: Minnesota Mining and Manufacturing Company
    Inventor: George J. Kramer
  • Patent number: 4532968
    Abstract: A rotary filling apparatus is provided that is of the type which uses gravity to fill liquids into a plurality of containers while they rotate about a rotary filling head. The apparatus includes a level control chamber having a sensor that is disposed from the axial center of the apparatus a distance that is substantially the same as that between this axial center and the nozzle through which the liquids are dispensed into the container, so that the centrifugal force at the sensor is substantially the same as that at the dispensing nozzle when the rotary head is rotated during the filling operation in order to maintain a substantially constant hydraulic head during operation.
    Type: Grant
    Filed: June 23, 1983
    Date of Patent: August 6, 1985
    Assignee: The Kartridg Pak Co.
    Inventor: George E. Leonard
  • Patent number: 4483367
    Abstract: A direct indicating automatic stop fill valve is mounted to the inlet to an LPG tank whereby inlet ports to the tank volume are covered by a slidably mounted cylinder which is raised through contact with a float/cam arrangement until the tank level reaches a predetermined level. The cylinder is then driven into a sealing position to stop the flow into the tank by a differential pressure force resulting from the inlet pressure being higher than tank fluid pressure. The cylinder also supports a drive magnet for actuating a gauging mechanism to visibly indicate the open or closed status of the stop fill valve.
    Type: Grant
    Filed: January 20, 1984
    Date of Patent: November 20, 1984
    Assignee: Rochester Gauges, Inc.
    Inventors: Herbert G. Ross, Jr., Robert E. Hrncir
  • Patent number: 4465111
    Abstract: The present invention relates to an improvement in an apparatus for filling like magnetic containers with a like measured amount of divided material product. The apparatus includes a magnet positioned adjacent to a portion of a path of magnetic containers in cooperation with product measuring devices. The magnet attracts the containers with divided material product contained therein. A vibrator is connected to the magnet for vibrating the magnet and a container attracted to the magnet to compact divided material product in the container.
    Type: Grant
    Filed: January 24, 1983
    Date of Patent: August 14, 1984
    Assignee: John R. Nalbach Engineering Co., Inc.
    Inventor: John C. Nalbach
  • Patent number: 4386635
    Abstract: A method and system for controlling electrically controlled filling elements in bottle filling machines for filling liquids into containers by opening a liquid flow valve, and including at least one signal emitter responding at a predetermined liquid level to the liquid in the container to be filled. After response to the signal emitter, the liquid flow valve is closed with a time delay under the influence of a correction factor. A system for carrying out the foregoing method has associated with each filling element a correction element connected to the signal emitter of the filling element, with the output signal thereof acting on a control unit which in turn acts on the liquid flow valve.
    Type: Grant
    Filed: March 4, 1981
    Date of Patent: June 7, 1983
    Assignee: Seitz-Werke GmbH
    Inventors: Egon Ahlers, Hermann Schlosser
  • Patent number: 4360038
    Abstract: A magnetically-operated valve has a body provided with a passageway therethrough. A piston is mounted on the body for sliding movement toward and away from a valve seat. The piston has a magnetic pole at one end. A magnet is mounted on the body for movement between a first position, at which the piston will be held in a flow-permitting position, and a second position, at which the piston will sealingly engage the seat to terminate such flow. An override mechanism may be operated to displace the piston against the repulsive forces between like poles.
    Type: Grant
    Filed: August 18, 1980
    Date of Patent: November 23, 1982
    Assignee: Sherwood Selpac Corporation
    Inventor: Joseph C. Trinkwalder, Jr.
  • Patent number: 4359074
    Abstract: A fuel supplying apparatus comprises a fuel supplying nozzle having an ejection pipe for ejecting fuel and a supplying passage for supplying the fuel to the ejection pipe, an opening and closing valve provided in the supply passage, a nozzle lever for opening the opening and closing valve, locking mechanism for locking the opening and closing valve in an open state, negative pressure generating mechanism for generating negative pressure upon supply of the fuel outside through the ejection pipe, lock releasing mechanism for releasing the lock of the locking mechanism by the introduction of the negative pressure generated by the negative pressure generating mechanism, atmosphere introducing mechanism for introducing atmosphere into the lock releasing mechanism to neutralize the negative pressure, solenoid valve for interrupting the introduction of the atmosphere by the atmosphere introducing mechanism when no current is introduced, and allowing the introduction of the atmosphere by the atmosphere introducing me
    Type: Grant
    Filed: October 17, 1980
    Date of Patent: November 16, 1982
    Assignees: Tokico Ltd., Tokico Yuki Ltd.
    Inventors: Eisuke Maruyama, Hiromitsu Kobayashi, Masakazu Mitsuhashi, Hiromichi Takeuchi, Yoshiki Futamura, Naohito Suzuki
  • Patent number: 4334560
    Abstract: A portable brace adjustable in length for retaining the trigger lever of a fuel dispensing nozzle in the open position and capable of easily disengaging in response to the shutoff actuating means of the nozzle.
    Type: Grant
    Filed: June 12, 1978
    Date of Patent: June 15, 1982
    Inventor: Frank J. Lockwood
  • Patent number: 4304272
    Abstract: In a machine for washing or filling a beer keg via a head having a movable probe to open the valve of the keg closure unit, a complementary magnetic carried by the probe and the head for indicating when the probe is in a fully extended position within the head to open the valve and to seal with the closure unit.
    Type: Grant
    Filed: May 7, 1980
    Date of Patent: December 8, 1981
    Assignee: GKN Sankey Limited
    Inventor: Cyril G. Golding
  • Patent number: 4284110
    Abstract: Apparatus for transferring fluent material such as a liquid or gas from a chamber in which it is contained into a receiving chamber, at least one of said chambers having rigid metallic walls and being inaccessible for the use of conventional transfer means, said two chambers being connected by means such as a hose extending between one of said chambers and a hollow body sealedly attached onto the wall of the other chamber, and means for creating an orifice in the wall of said other chamber to permit the passage of a liquid or gas therethrough; pumping means to activate such transfer; and other means for the retrieval of said apparatus.
    Type: Grant
    Filed: July 23, 1979
    Date of Patent: August 18, 1981
    Assignee: Frances K. Divelbiss
    Inventors: Carl D. Divelbiss, Mortimer R. Dock
  • Patent number: 4262712
    Abstract: A gasoline dispensing nozzle is magnetically held in place to the fueling filler neck of the vehicle, while at the same time providing for a tight seal at the nozzle filler neck interface preventing escape of vapors to the atmosphere. Vapor directional control means may be included in the nozzle or be operably associated therewith, which will permit the recovery or redirecting of gasoline vapors issuing from the vehicle fuel tank during the refueling process. At the filler end of the nozzle is a switchable permanent magnet to latch, support and hold the nozzle to the vehicle fillpipe. To remove the nozzle when refueling is completed, the magnetic flux is switched in a different direction away from the fillpipe to a metal element known as a keeper. A pressure sensing mechanism is provided at the outer face of the magnet so that when a suitable seal is made between the nozzle magnet and the filler neck surface, a signal is provided via the pressure sensor that the seal has been made.
    Type: Grant
    Filed: November 8, 1978
    Date of Patent: April 21, 1981
    Assignee: Exxon Research & Engineering Co.
    Inventor: Dale A. Young
  • Patent number: 4235266
    Abstract: A liquid dispensing nozzle has an eccentrically mounted seal at one end of a bellows, which is disposed in spaced relation to the spout of a nozzle to form an annular vapor return passage therebetween, to engage a fill pipe of a tank to form a seal therewith when the spout is disposed therein so that vapor flows from the tank to the annular vapor return passage of the nozzle. The seal includes a compressible member for engaging the fill pipe, a swivel plate, and a cap surrounding the bellows whereby the seal is removably fastened to the bellows for easy replacement. The swivel plate is pivotally connected to a spring, which surrounds the spout, so that the seal can pivot about two orthogonal axes with respect to the spout. The pivotal connection of the swivel plate to the spring is on top of the spout so that the maximum force of the spring is applied to the maximum eccentric surface of the seal.
    Type: Grant
    Filed: December 18, 1978
    Date of Patent: November 25, 1980
    Assignee: Dover Corporation
    Inventor: Jack A. McMath
  • Patent number: 4210181
    Abstract: First and second elongated members are provided including pairs of remote and adjacent ends. The adjacent ends of the members are supported from each other for relative longitudinal shifting of the members to extend and retract the remote ends thereof. Structure is provided for releasably securing the members in adjusted shifted positions and the remote ends of the members define endwise outwardly opening and transversely extending generally parallel notches for embracingly receiving the parallel trigger lever and trigger guard of a service station fuel supply hose nozzle when the elongated members are disposed therebetween.
    Type: Grant
    Filed: April 25, 1978
    Date of Patent: July 1, 1980
    Inventor: Charles E. Clevenger
  • Patent number: 4202385
    Abstract: An improved, hybrid liquid dispensing, vapor recovery system is disclosed. As preferred, a turbine thereof is mounted in a liquid dispensing line, and an impeller thereof is mounted in a vapor recovery line and magnetically coupled with the turbine. The apparatus responds to the rate at which liquid is dispensed, and thereby controls vapor leaks in liquid receivers.
    Type: Grant
    Filed: February 14, 1978
    Date of Patent: May 13, 1980
    Assignee: Atlantic Richfield Company
    Inventors: Frederick L. Voelz, Roy G. Jewell
  • Patent number: 4196759
    Abstract: A liquid dispensing nozzle has an annular member of a relatively soft material at one end of a bellows, which is disposed in spaced relation to the spout of the nozzle to form an annular vapor return passage therebetween, to engage the fill pipe to form a seal therewith when the spout is disposed therein so that the vapors flow from the tank to the annular vapor return pasage of the nozzle. The soft seal member is removably fastened to the end of the bellows for easy replacement. The spout has a pair of latch rings thereon spaced from each other with each having a retaining lug to enable the spout to be retained within any type of fill pipe since one of the lugs on one of the latch rings is always capable of being retained by the lip of the fill pipe opening.
    Type: Grant
    Filed: December 8, 1977
    Date of Patent: April 8, 1980
    Assignee: Dover Corporation
    Inventors: Jack A. McMath, Robert W. Guertin, Chester W. Wood
  • Patent number: 4195673
    Abstract: A fuel tank fill tube has a telescoping valve element slidably disposed on a tubular portion thereof. The fill tube and valve element are nonmagnetic. An iron collar is secured to one end of the valve such that on insertion of a magnet carrying fuel nozzle into the fill tube, the valve is opened by magnetic forces between the collar and the magnet to permit fuel flow into the tank. The valve is urged in the closing direction by a spring.
    Type: Grant
    Filed: November 20, 1978
    Date of Patent: April 1, 1980
    Assignee: General Motors Corporation
    Inventors: Richard W. Johnston, John G. Neuman, Thaddeus Schroeder, Norman L. Traub
  • Patent number: 4163464
    Abstract: The present specification describes and claims an arrangement for filling a vessel which is to be put under high pressure, with freely flowing solids from a storage vessel which is under normal pressure. The arrangement comprises a supply line extending between the storage vessel and the pressure vessel with a pressure sealing valve which can be tightly closed to counter the working pressure in the pressure vessel, and a shut-off valve suitable for sealing the storage vessel, arranged one behind the other in the supply line. The part of the supply line within the pressure vessel has at least one aperture in its wall and extends within a tube which also has an aperture or apertures, the tube and the supply line being so arranged that relative rotational movement there between opens and closes the aperture in the supply line. Thus, when the pressure vessel is full, the solids block off the supply line which is also full.
    Type: Grant
    Filed: February 2, 1978
    Date of Patent: August 7, 1979
    Assignee: Rheinische Braunkohlenwerke AG
    Inventors: Gunter Velling, Wolfhard Ruddeck
  • Patent number: 4133354
    Abstract: A coffee brewer with means for dispensing controlled quantities of hot water comprising well known coffee brewing means including a main water tank having a heater therein, means for introducing water to the tank and a discharge conduit for passing coffee brewing water from the tank wherein there is provided a separate and preferably removable, closed water bottle mounted for gravity feed of water to the tank, a discharge conduit connecting the bottle to the tank, the normal operational position of the end of which proximal to the tank being located such that water normally covers it before water in the tank reaches a level sufficient to pass through the conduit for discharging brewing water, a separate, valve controlled single-cup water discharge spigot connected to the tank beneath the level in the tank of the end of the conduit connecting the bottle with the tank, a valve normally blocking the gravitational discharge of water from the bottle and valve actuating means which open the valve when the bottle is
    Type: Grant
    Filed: February 28, 1977
    Date of Patent: January 9, 1979
    Inventors: Edward Lerner, John A. Ventura
  • Patent number: 4105054
    Abstract: An improved fuel vapor recovery means surrounding the spout of a fuel-dispensing nozzle is sealed to the fillpipe of, e.g., an automobile fuel tank, by means of a highly anisotropic or mono-directional magnet disposed on the forward portion of the vapor recovery means. Fuel vapor escaping from the fuel tank during the filling operation is thus minimized and the magnet provides sufficient directional force to provide additional support for the entire nozzle. The magnet is preferably of the ceramic type and is magnetically oriented such that it exhibits a strong magnetic force axially of the spout, thereby sealing the vapor collector to the fillpipe, and may be backed by a steel plate to direct and enhance the magnetic forces issuing from the front of the ceramic magnet.
    Type: Grant
    Filed: February 11, 1977
    Date of Patent: August 8, 1978
    Assignee: Atlantic Richfield Company
    Inventor: Bernard E. Weidenaar
  • Patent number: 4060110
    Abstract: An automatic dispensing nozzle of the type incorporating a vapor recovery system wherein the sealing seat for preventing the escape of recovered vapors from the system when the nozzle is not in use is located at the position along the length of the discharge tube which is not located within the filling tube of a fluid storage tank in use. The sealing seat for the vapor recovery shroud is located rearwardly from the outer end of the discharge tube and seal closure means is disposed within the shroud and spaced a substantial distance rearwardly from the outer end of the shroud to sealingly engage the sealing seat when the shroud is in its extended position. A mechanism is also provided for preventing the operation of the dispenser nozzle until the vapor recovery system of the nozzle is in communication with the interior of the tank which is to be filled by the nozzle.
    Type: Grant
    Filed: September 30, 1976
    Date of Patent: November 29, 1977
    Assignee: Emco Wheaton Inc.
    Inventor: Allen M. Bower
  • Patent number: 4056130
    Abstract: In a volumetric bagging apparatus for dispensing a predetermined volume of particulate material, such as fertilizer, into a bag position on the apparatus for receipt thereof, a rotating drum fills a clamped empty bag until a magnetic cam comes into controlled magnetic proximity to a first magnetic proximity micro switch. As the magnetic cam passes by the first magnetic micro switch, the then filled bag is released. A second magnetic proximity micro switch may be provided which is positioned after the first magnetic micro switch in the direction of rotation of the drum, with the actuation of the second magnetic proximity micro switch disengaging the drive means for the drum and locking the drum brake, thereby completing the bagging cycle. In this manner, the improved volumetric bagging apparatus is indexed by magnetic actuation.
    Type: Grant
    Filed: March 4, 1976
    Date of Patent: November 1, 1977
    Assignee: Likens Manufacturing Co.
    Inventors: Robert Likens, William S. Boehm
  • Patent number: 4056131
    Abstract: Disclosed are various improvements in the vapor handling arrangements of a conventional fuel dispensing nozzle. In particular, there is shown a vapor shut-off valve that can override a vapor pressure regulator valve to seal the vapor conduit when fuel is not being dispensed; a magnetic sealing arrangement for preventing escape of vapor at the mouth of the vehicle fuel tank; and a relief valving arrangement to protect both the nozzle and the vehicle tank against excessive pressure conditions.
    Type: Grant
    Filed: February 9, 1976
    Date of Patent: November 1, 1977
    Inventor: James W. Healy
  • Patent number: 4040458
    Abstract: An adapter in the form of a sleeve which is permanently mounted inside the gasoline tank fillpipe of an automobile provides reaction points which maintain the spout of a gasoline dispensing nozzle with its axis approximately collinear with the fillpipe axis, when the spout is inserted into the gasoline tank for dispensing. The adapter insert (sleeve) has therein a sealing member which covers the air duct of the conventional automatic dispensing nozzle, thus preventing operation of the nozzle when the nozzle spout is inserted to less than a certain extent into the sleeve.
    Type: Grant
    Filed: May 6, 1975
    Date of Patent: August 9, 1977
    Assignee: Sun Oil Company of Pennsylvania
    Inventor: William B. Hansel
  • Patent number: 4021587
    Abstract: An apparatus for depositing electrostatically and magnetically responsive particulate matter on a conductive surface having an electrostatically charged latent image comprises an elongate permanent magnet that is disposed adjacent to the conductive surface and that is capable of producing a magnetic field having a region of concentrated magnetic flux that permeates the surface and also a region of dilute magnetic flux that is inclined and generally adjacent to the surface, a hopper for storing the particulate matter, and a channel connected to the hopper disposed in the region of dilute magnetic flux having two opposite converging walls that terminate adjacent to the conductive surface in the region of concentrated magnetic flux. The particulate matter when introduced to the region of dilute magnetic flux is caused to be moved by magnetic forces and gravitational forces from the region of dilute magnetic flux to the region of concentrated magnetic flux.
    Type: Grant
    Filed: February 12, 1976
    Date of Patent: May 3, 1977
    Assignee: Pram, Inc.
    Inventor: Harold J. Banker
  • Patent number: 4006761
    Abstract: Apparatus for supplying a liquid product to a pipe connected to the bottom of a vessel from a flexible conduit connected to a distribution system comprising a tank valve connected to the pipe and a coupling connected to the flexible conduit and adapted for connection to the tank valve. The tank valve includes a hollow body one part of which has a large aperture and a coupling mechanism for attachment with the coupling; a flap valve is disposed in the body for closing the aperture and the flap valve is connected via a linkage to an external operating lever; the coupling has a main casing with a connecting nose for lockable connection with the coupling mechanism of the body of the tank valve. A closure member is disposed in the casing for controlling flow of liquid product from the flexible conduit to the tank valve and a hydraulic ram acts on the closure member along with a cartridge having three springs of staggered force to provide the closure member with three stable positions of increasing opening.
    Type: Grant
    Filed: April 23, 1975
    Date of Patent: February 8, 1977
    Assignee: Applications Mecaniques et Robinetterie Industrielles A.M.R.I.
    Inventor: Maurice Bonafous