Patents Examined by Steve Gravini
  • Patent number: 5651193
    Abstract: A grain dryer for providing a controlled drying process through a housing. The housing has a path for grain to be dried such that the grain is dried as the grain moves along the path. The grain dryer also has a fan and heater assembly for supplying heated air to the path for drying grain in the path. The grain dryer can control the flow of grain along said path and has sensors disposed in predetermined positions so as to detect different fault conditions. The sensors generating corresponding fault signals in response to the detection of fault conditions. The grain dryer also has a controller operatively connected to the sensors, the controller is responsive to fault signals to initiate a predetermined shutdown procedure upon receipt of any one of the fault signals. A memory is operatively connected to the controller for electronically recording and identifying information concerning shutdown procedures initiated by the controller. The grain dryer controller controls the start-up of in a predetermined manner.
    Type: Grant
    Filed: February 9, 1994
    Date of Patent: July 29, 1997
    Assignee: The GSI Group, Inc.
    Inventors: Virgil O. Rhodes, Timothy P. McDonough, Cloyce Newton, Victor D. Goeckner, Gary Woodruff
  • Patent number: 5649370
    Abstract: A delivery system diffuser attachment (12) for a hair dryer (14) of the type having a motor housing (16) with air vents (18), a built-in heater coil (20), a barrel (22), a handle (24), a heat switch (26), an on-off switch (28), a cord strain relief (30) and an electrical cord (32). The diffuser attachment (12) comprises a cup member (34) having an open top end (36). A facility (37) on a bottom end (38) of the cup member (36) is for exiting an airflow (39) therethrough. A structure (40) is for retaining the cup member (34) in a removable manner adjacent a distal free end (42) of the barrel (22) of the hair dryer (14), so that the open top end (36) faces the barrel (22). An assembly (44) is for holding scented material (46) within the cup member (34). When the on-off switch (28) is manually turned on, the airflow (39) will enter the cup member (34) through the open top end (36), pick up a scented vapor (48) from the holding assembly (44) and be forced out of the airflow exiting facility (37).
    Type: Grant
    Filed: March 22, 1996
    Date of Patent: July 22, 1997
    Inventor: Paul Russo
  • Patent number: 5649371
    Abstract: A dry unit of a dry end of a machine for producing a material web and including at least one drying cylinder and a plurality of dry felts parsing around the dry cylinder one above another, with at least two of the dry felts being lifted off the dry cylinder at different circumferential positions of the two dry felts on the dry cylinder.
    Type: Grant
    Filed: February 5, 1996
    Date of Patent: July 22, 1997
    Assignee: Voith Sulzer Papiermaschinen GmbH
    Inventors: Hans Loser, Thomas Elenz, Albrecht Meinecke, Helmut Konecsny
  • Patent number: 5647142
    Abstract: In an apparatus for drying a moist material in a stream of drying gas the residence time is increased by inserting one or more perforated plates, above which fluidized particle layers are created, and through which a portion of the drying gas and material to be dried are passed, whereas the remaining part of the drying gas and material is by-passed said perforated plates. Improved drying capacity, heat economy and operational flexibility and decreased risk for heat damage of the material to be dried are obtained.
    Type: Grant
    Filed: May 13, 1996
    Date of Patent: July 15, 1997
    Assignee: Niro A/S
    Inventors: Poul Rasmus Andersen, Ove Emil Hansen
  • Patent number: 5647144
    Abstract: Apparatus and process for the non-contact drying of a web of material. The apparatus includes air flotation nozzles for floating the web, and direct air impingement nozzles for enhanced drying of the web. A plurality of air flotation nozzles or air bars are mounted in one or more sections of a dryer enclosure in air-receiving communication with headers, preferably both above and below the web for the contactless convection drying of the web. In conjunction with these air flotation nozzles, one or more sections of the dryer also includes direct impingement nozzles such as hole-array bars or slot bars. The drying surface of the web is thus heated by both air issuing from the air flotation nozzles and from the direct impingement nozzles. As a result, the dryer has a high rate of drying in a small, enclosed space while maintaining a comfortable working environment.
    Type: Grant
    Filed: November 13, 1995
    Date of Patent: July 15, 1997
    Assignee: W.R. Grace & Co.-Conn.
    Inventors: Michael P. Bria, Jeffrey D. Quass
  • Patent number: 5644855
    Abstract: A portable contamination-sensitive component transport container provides a continuously purged environment for the components. The container includes an attached cryogenically liquefied inert gas insulated storage vessel from which vaporized liquefied inert gas is used to generate a gaseous nitrogen purge to the container.
    Type: Grant
    Filed: April 6, 1995
    Date of Patent: July 8, 1997
    Assignee: Air Products and Chemicals, Inc.
    Inventors: Wayne Thomas McDermott, Richard Carl Ockovic, Robert William Wimmer, II
  • Patent number: 5642570
    Abstract: A hair drier which includes an elongated air passageway in the barrel thereof at the bottom side, the air passageway having a front end terminating in a water nozzle in front of the barrel and a rear end, a receptacle mounted in the barrel, a water container coupled to the receptacle and having a dip tube inserted into the receptacle in communication with the air passageway, a motor mounted in a handle at one end of the barrel, a piston coupled to the motor by a crank and reciprocated by it in the rear end of the air passageway to induce a liquid from the water container into the air passageway and to drive the liquid out of the air passageway through the water nozzle.
    Type: Grant
    Filed: April 9, 1996
    Date of Patent: July 1, 1997
    Inventor: Tzung Sheng Lee
  • Patent number: 5642571
    Abstract: A coating layer drying system for a cathode ray tube (CRT) includes a furnace. A pedestal for placing a CRT bulb on is installed in the inside of the furnace. Both ends of a hose are fixed on the side walls of the furnace. A heater for heating low temperature air is connected to the hose. A pump for ventilating high pressure air is also connected to the hose. A pressure gauge for checking the inner pressure of the furnace is fixed on the upper part of the furnace. A temperature gauge for sensing the inner temperature of the furnace is also fixed on the upper part of the furnace. And, in addition, a controlling element for controlling the operation of the pump and the heater is installed next to the furnace.
    Type: Grant
    Filed: April 12, 1996
    Date of Patent: July 1, 1997
    Assignee: Samsung Display Devices Co., Ltd.
    Inventor: Dae-in Park
  • Patent number: 5640784
    Abstract: Drying apparatus including pressure control of air supply feeding an air bar and subsequently impinging upon a web, so as to avoid or compensate for web shift without disturbing the cushion pressure and flotation techniques necessary for adequate web flotation and drying, as well as a method of regulating the pressure of supply air to such air bars. A damper or valve is positioned in the header system between first and second ducts feeding each air bar. Proper adjustment of the damper regulates the pressure of supply air in each duct, and compensates for web shift or minimizes or prevents web shift from occurring.
    Type: Grant
    Filed: March 21, 1995
    Date of Patent: June 24, 1997
    Assignee: W.R. Grace & Co.-Conn.
    Inventor: Michael O. Rocheleau
  • Patent number: 5640782
    Abstract: A vacuum roll apparatus is disclosed for transferring a web supported on a dryer felt from a first to a second drying cylinder of a dryer section. The apparatus includes a rotatable perforate shell having a first and a second end, the shell defining a cavity which extends from the first to the second end of the shell. The arrangement is such that the dryer felt extends from the first dryer around the perforate shell to the second dryer with the web extending contiguously with the dryer felt, and the dryer felt being disposed between the shell and the web. At least one fin is rigidly secured to the shell and is disposed within the cavity such that when the shell is rotated, the fin generates a flow of air through the perforate shell towards the cavity for drawing the web into close conformity with the dryer felt during movement thereof around the vacuum roll apparatus so that the web is restrained against cross-machine directional shrinkage.
    Type: Grant
    Filed: November 15, 1995
    Date of Patent: June 24, 1997
    Assignee: Beloit Technologies, Inc.
    Inventors: Rajendra D. Deshpande, William R. McGraw, Jeffrey H. Pulkowski
  • Patent number: 5638606
    Abstract: Improvements in centrifugal pellet dryers and more particularly to improvements in the rotor structure which includes a shaft, pellet lifter assemblies and supporting spiders which support the pellet lifter assemblies from the shaft. Each spider is made of a one-piece plate laser cut for strength, balance and simplicity. Mounting of the pellet lifter assemblies on the spider, and the spider on the shaft, are configured for easy assembly and maintenance.
    Type: Grant
    Filed: March 6, 1996
    Date of Patent: June 17, 1997
    Assignee: Gala Industries, Inc.
    Inventors: David E. Bryan, Robert K. Crowder, Samuel F. Hannah
  • Patent number: 5638609
    Abstract: The present invention is directed to drying and heating processes and to an apparatus incorporating a pulse combustion device that can be used in a drying system or in a heating system. In general, the apparatus includes a pulse combustion device for the combustion of a fuel to produce a pulsating flow of combustion products and an acoustic pressure wave. The pulse combustion device has a combustion chamber connected to at least one resonance tube. A resonance chamber surrounds at least a portion of the pulse combustion device and includes a nozzle downstream from the resonance tube. The nozzle accelerates the combustion products flowing therethrough and creates a pulsating velocity head. In a drying system, the nozzle exits into a drying chamber where the combustion products contact a feed stream.
    Type: Grant
    Filed: November 13, 1995
    Date of Patent: June 17, 1997
    Assignee: Manufacturing and Technology Conversion International, Inc.
    Inventors: Ravi Chandran, Momtaz N. Mansour
  • Patent number: 5638610
    Abstract: In the case of a heat setting chamber for the continuous heat setting of yarns, entry and exit openings are provided, through which transport belts are fed and onto which transport belts the yarns are placed in loops. In the area of the entry and exit openings, ventilation seals are provided, on which the heat setting medium flows against the loops from underneath. The mouths of extractor vents are arranged vertically over the ventilation seals. The heat setting medium can thus penetrate the yarn loops in the area of the entry and exit openings simultaneously from above and below.
    Type: Grant
    Filed: April 29, 1996
    Date of Patent: June 17, 1997
    Assignee: Michael Horauf Maschinenfabrik GmbH & Co. KG
    Inventor: Ludwig Resch
  • Patent number: 5638611
    Abstract: A drying section for a paper making machine includes a larger number of dryer sections, fewer dryers in each dryer section, and provisions for driving many of the dryers individually. The average number of dryers per dryer section is less than five and preferably less than four. By providing a small number of dryers per dryer section and driving many of the dryers individually, it is possible to more precisely compensate for stretching of the paper web in the initial stages of the drying process and to more precisely compensate for shrinkage of the paper web during the latter stages of the drying process.
    Type: Grant
    Filed: October 18, 1995
    Date of Patent: June 17, 1997
    Assignee: Voith Sulzer Papiermaschinen GmbH
    Inventor: Markus Oechsle
  • Patent number: 5636452
    Abstract: A paper drying apparatus including a first rotatable drum, wherein the first rotatable drum has an inner perimeter and an outer perimeter and a second rotatable drum having an inner perimeter and an outer perimeter. A fabric sheet for carrying a paper web is provided, wherein the fabric sheet passes around the outer perimeter of the first rotatable drum and proceeds to next pass around the outer perimeter of the second rotatable drum. As the fabric sheet conveys the paper web around the first rotatable drum, a drying air is applied to the paper web in a direction from the inner perimeter of the first rotatable drum toward the outer perimeter of the first rotatable drum, further passing through the paper web. As the fabric sheet and paper web proceed around the second rotatable drum, a drying air is applied to the paper web in a direction from the outer perimeter of the second rotatable drum toward the inner perimeter of the second rotatable drum, further passing through the paper web in a similar direction.
    Type: Grant
    Filed: October 27, 1995
    Date of Patent: June 10, 1997
    Assignee: James River Corporation of Virginia
    Inventors: Benjamin A. Thorp, James Gilpatrick
  • Patent number: 5636454
    Abstract: A tentering oven comprises a heating furnace and a tenter. The heating furnace has multiple plenum ducts juxtaposed above and below a film in a direction perpendicular to the flow of the film for blowing hot air to heat the film. The tenter stretches the film transversely and comprises clip bodies, clip levers and liners provided on linked chains, as well as rails composed of chain directing rail members that progressively depart away from each other and a chain drive member. An oil pan is provided beneath a joint of the rail members and each of the plenum ducts is provided in such a way that the hot air discharge port of the ducts is not positioned immediately below the oil pan so as to ensure that the hot air blown from the plenum duct does not make direct contact with the bottom of the oil pan.
    Type: Grant
    Filed: August 8, 1996
    Date of Patent: June 10, 1997
    Assignee: Oji-Yuka Synthetic Paper Co., Ltd.
    Inventor: Katsuo Shida
  • Patent number: 5636450
    Abstract: A device for diverting sheet, web or mat material treated continuously uses an air cushion (6) formed about a cylindrical surface (4). Infrared transmitters (7), whose radiation is directed to a portion of the material (1) being diverted, are provided in or under the cylindrical surface (4), in addition to the air-blowing means (5) generating the air cushion (6). The same volume therefore houses means for diverting the material (1) and means for heating it, especially in order to dry it. At the same time that the blown air flow generates the air cushion (6), it also cools the infrared transmitters (7). Application, in particular, in the manufacture, transformation and treatment of materials such paper, fabric and synthetic film.
    Type: Grant
    Filed: April 3, 1996
    Date of Patent: June 10, 1997
    Assignee: Infra Rouge System
    Inventor: Gregoire Lize
  • Patent number: 5632101
    Abstract: A drying section for a paper making machine. The drying section includes a plurality of single-tier dryer groups, optionally followed by one or more double-tier groups. To control curl in the final paper product, a moistening device extending over the width of the drying section is provided near the end of the single-tier dryer groups. The moistening device can be divided into various zones to control the profile of the paper. Alternatively, or in addition to the moistening device, a contact-less dryer such as a infrared dryer can be provided after the dryer section, upstream of a calender section of the paper making machine. The moistening device can be provided to moisten the bottom or, optionally, the top side of the paper web. Where a double-tier dryer group is provided, to control curl the upper drying cylinders and the lower cylinders can be provided with different steam pressures to control curl. Alternatively, each of the cylinders can be individually controlled.
    Type: Grant
    Filed: September 8, 1995
    Date of Patent: May 27, 1997
    Assignee: Voith Sulzer Papiermaschinen GmbH
    Inventor: Markus Oechsle
  • Patent number: 5632097
    Abstract: An apparatus and method for final drying of harvested brine shrimp cysts preparatory to containerization, for subsequent storage and shipment. The device is portable, and may be installed upon the near shore of the shrimp bearing body of water, or upon shrimp harvesting vessels. A closed drying chamber contains a vertically arranged series of cyst drying trays, the cysts cascading downward from tray to tray by gravity assisted by vibration of the trays from top to bottom of the drying chamber. Conveying and lifting apparatus is associated with the chamber to permit the recirculation of the cysts until a sufficient degree of dryness is obtained. Heated air is introduced into the stationary drying chamber. The apparatus provides for final separation of any broken shrimp cysts still remaining.
    Type: Grant
    Filed: June 28, 1996
    Date of Patent: May 27, 1997
    Inventors: William H. Snitchler, Randall L. Scholl
  • Patent number: 5632098
    Abstract: A bean roasting system (10) is provided for use on a barbecue grill (12). The system includes a housing member (22) generally formed as a cylindrical tubular member, formed from a metallic composition with a mesh or plurality of openings which will allow convective heat to pass within the housing member (22). The system includes a rotational mechanism (36) for rotating the housing member (22) about its longitudinal axis. The rotational mechanism includes a motor mechanism (44) coupled to an axially directed rod (48) which extends through and is coupled to housing member (22) for causing housing member (22) to rotate about its longitudinal axis. First and second bracket members (70 and 72), respectively, releasably coupled to opposing end walls of barbecue grill (12), rotatively support axially directed rod (48) so as to permit housing (22) to rotate over barbecue grill (12).
    Type: Grant
    Filed: April 4, 1996
    Date of Patent: May 27, 1997
    Inventor: Timothy S. Finch