Jet Pump Suction-devices Patents (Class 15/409)
  • Patent number: 11053794
    Abstract: A drilling apparatus includes a drill and a dust removal pipe for removing dust created in drilling from a proximity to a borehole. The drilling apparatus includes a sampling apparatus for collecting a research sample in the dust removal pipe of the drilling apparatus. The sampling apparatus includes a sampling pipe arrangement, at the end of which there is a sampling pipe, the mouth aperture of which is fitted in the dust removal pipe, element for fixing the sampling pipe arrangement to the dust removal pipe, a suction device for forming suction in the sampling pipe, and a collecting arrangement fixed to the sampling pipe arrangement for separating sampling material from air flowing in the sampling pipe arrangement, and for collecting sampling material. The sampling apparatus includes a length adjustment apparatus for moving the sampling pipe in the longitudinal direction in the dust removal pipe, and a rotating apparatus for rotating the sampling pipe in the dust removal pipe.
    Type: Grant
    Filed: June 16, 2017
    Date of Patent: July 6, 2021
    Assignee: ERIMEK OY
    Inventors: Erik Lindfors, Timo Ridaskoski
  • Patent number: 11045846
    Abstract: Embodiments of the present invention include a hose handling system having a hose guide plumbed via a wash line to a fluid delivery device. The hose guide includes a pulley installed on a frame member, and a spray nozzle adapted to dispense a wash mixture. The hose guide is adapted to guide a hose as the hose is inserted into or withdrawn from a manhole, with the hose traversing the pulley. The wash mixture can be delivered through a wash line to the hose guide, which sprays the wash mixture on the hose in order to reduce or eliminate gross contamination or microbial contamination on the hose. The wash mixture typically, but not necessarily, has a freezing point below 32° F. and includes: a quaternary ammonium compound, an alcohol or glycol, an alcohol ethoxylate, and a fragrance.
    Type: Grant
    Filed: November 12, 2018
    Date of Patent: June 29, 2021
    Inventor: Thomas P. Suiter
  • Patent number: 10315300
    Abstract: A dust collection device, that collects dust particles generated by an impact tool, has a feature that enables the attachment of the device to the impact tool, which is not provided with an attachment section for the device. The dust collection device has a tool body and an auxiliary handle, attached removably to the tool body, and is attached to an electric hammer that, in the lengthwise direction, linearly operates a tool bit mounted to the tip region of the tool body, and collects dust generated by the electric hammer. The dust collection device has: a dust collection unit that has a dust intake port at the tip; a dust collection hose, connected to the dust collection unit, for transferring dust to the downstream side; and a hose-holding unit that holds the dust collection hose. The hose-holding unit can be attached to and removed from the auxiliary handle.
    Type: Grant
    Filed: May 6, 2016
    Date of Patent: June 11, 2019
    Assignee: MAKITA CORPORATION
    Inventors: Hiroki Ikuta, Ken Yamauchi, Takamasa Hanai, Masao Miwa, Tomohiro Ukai, Shusaku Wakatsuki, Akihiro Ito
  • Patent number: 10260530
    Abstract: An aspirator with an aspirator body and an exhaust port coupled to the body, and having a plurality of integral high pressure gas nozzles positioned along the aspirator body the body. The aspirator body includes a high pressure integral conduit in communication with a nozzle array having a plurality of high pressure gas nozzles. The nozzles are arcuate, extending away from the body toward an aspirator centerline, the nozzles extending from the aspirator body at a preselected angle toward the centerline in a direction from an atmospheric air aspiration port toward the exhaust port. A high pressure inlet port integral with the body is in communication with the conduit and a high pressure gas source. The gas may be input into the inlet port using a high pressure inlet fitting, which may be threaded onto the inlet port outside the aspirator body. The aspirator is fabricated by additive manufacturing techniques.
    Type: Grant
    Filed: October 2, 2015
    Date of Patent: April 16, 2019
    Assignee: CIRCOR AEROSPACE, INC.
    Inventors: David W. Gass, Robert S. Seibert, Brian J. Hickey, Christopher R. Lovasco, Russell S. Sirvis, Robert Charles Lenardi
  • Patent number: 9956659
    Abstract: A dust collecting device 140 is provided which is attached to an electric hammer 101 having a side handle 110 which is removably attached to a body 103. The dust collecting device 140 has a dust collecting hood 141 and a hose holder 145. The side handle 110 has a mounting ring 111 which is mounted on the body 103, a grip 121 and a grip securing part 131. The grip 121 is secured by moving relative to the grip securing part 131 in a direction crossing an axial direction of the hammer bit 200. By this relative movement for securing the grip 121, the hose holder 145 is held between the grip 121 and the grip securing part 131.
    Type: Grant
    Filed: November 12, 2013
    Date of Patent: May 1, 2018
    Assignee: MAKITA CORPORATION
    Inventors: Hajime Takeuchi, Masanori Furusawa, Yoshiro Tada
  • Patent number: 9863441
    Abstract: A cleaning device includes an air flow generator for generating an air flow, which encompasses a first suction flow through a first suction line, which is arranged in flow direction of the air flow upstream of the air flow generator and which leads into a first collecting container, and a pressure flow in a pressure line, which is arranged in flow direction of the air flow downstream from the air flow generator. Using a Venturi nozzle, the air flow generates a second suction flow, which is separated from the first suction flow, through a second suction line, which leads into a second collecting container.
    Type: Grant
    Filed: April 15, 2015
    Date of Patent: January 9, 2018
    Assignee: Vorwerk & Co. Interholding GmbH
    Inventors: Nazli Eidmohammadi, Alexander Siegfanz, Christian Stehl, Sabrina Hoffmann, Miron Sernecki
  • Patent number: 9456720
    Abstract: The invention relates to a pneumatic vacuum in which an ejector (10) exhibits a tubular conduit (11) for injection of compressed air, a discharge channel (12) for discharging the aspirated fluid and the compressed air injected via the tubular conduit (11), an aspirating channel (13) in fluid communication with the tubular conduit (11) and the discharge channel (12) for aspirating; the ejector (10) has a first and a second tubular body (17, 24) exhibiting a first converging portion (20, 25) arranged downstream of an inlet zone (18) along an aspirating direction (21) and a second portion (22, 26) having a constant section emerging from the first converging portion (20, 25) at the smaller-section zone (23, 27) and downstream of the first portion (20, 25) along the aspirating direction (21), the tubular conduit (11) for injecting the compressed air exhibiting an inlet mouth (28) located at the converging portion (25) of the second tubular body (24) such as to inject pressurized air into the second tubular body (2
    Type: Grant
    Filed: September 14, 2011
    Date of Patent: October 4, 2016
    Inventor: Pasquale Catalfamo
  • Patent number: 8898853
    Abstract: A vacuum cleaning system which has particular application to the oil-field industry. The system includes a vacuum unit for suctioning material from a surface to recycle, reclaim or cleanup said material. The system also includes a collection and discharge unit operable to automatically discharge, into an open atmosphere, an amount of the suctioned material collected while suctioning continues by the vacuum unit. The automatic discharging cycle of the collection and discharge unit allows drilling fluid to be rapidly vacuumed up and discharged to minimize settlement of debris in the collected material.
    Type: Grant
    Filed: October 4, 2012
    Date of Patent: December 2, 2014
    Assignee: Diamond Tank Rentals, Inc.
    Inventor: Jeffry Sawyer
  • Patent number: 8695153
    Abstract: A surface cleaning head for cleaning a surface is provided that includes a housing that has a cleaning chamber surrounded by a peripheral wall and open at the bottom, and in which a cleaning nozzle is mounted on a spray arm and is freely rotatable about a rotational axis, and a jet pump for suctioning off cleaning fluid applied to a surface, the jet pump having a pump inlet channel connected to a combining channel via a mixing chamber, and a motive nozzle upstream from the combining channel. To improve the surface cleaning head, the pump inlet channel is oriented radially with respect to the spray arm and connected to the peripheral wall of the cleaning chamber, the diameter of the combining channel is 14 to 18 mm, and the distance between the motive nozzle and the combining channel is at least 10 mm.
    Type: Grant
    Filed: September 14, 2012
    Date of Patent: April 15, 2014
    Assignee: Alfred Kärcher GmbH Co. KG
    Inventors: Felix Treitz, Stefan Schilpp
  • Patent number: 8341803
    Abstract: A floor cleaning attachment is configured to attach to a pressure washer lance to receive a flow of fluid. The floor cleaning attachment includes a housing that defines a suction space and includes an attachment point configured to attach to the pressure washer lance to receive the flow of fluid. A rotatable brush is coupled to the housing, a vacuum producing member is coupled to the housing, and a valve is coupled to the housing and movable between a first position in which the flow of fluid is directed onto a floor, a second position in which the flow of fluid is directed to the vacuum producing member to produce a partial vacuum, and a third position in which the flow of fluid is directed to the rotatable brush to rotate the brush.
    Type: Grant
    Filed: April 24, 2009
    Date of Patent: January 1, 2013
    Assignee: Techtronic Outdoor Products Technology Limited
    Inventors: Michael R. Gardner, Klaus K. Hahn
  • Patent number: 8327787
    Abstract: A support head capable of generating suction upon the rotation thereof has a body that defines a first surface, a second surface opposing the first surface, a peripheral edge, and an open region formed in a central portion of the second surface. Work producing elements such as spray nozzles are mounted in the first surface. Each of a first plurality of holes extends between the first surface and the second surface. Each of a second plurality of holes extends between the peripheral edge of the body and the open region of the body. When the body is positioned over the surface with the first surface opposing same, suction forces are generated as the body is rotated.
    Type: Grant
    Filed: May 25, 2010
    Date of Patent: December 11, 2012
    Assignee: Seward Marine Services Inc.
    Inventor: Cecil L. Achord
  • Patent number: 8302249
    Abstract: A vacuum cleaning system which has particular application to the oil-field industry. The system includes a vacuum unit for suctioning material from a surface to recycle, reclaim or cleanup said material. The system also includes a collection and discharge unit operable to automatically discharge, into an open atmosphere, an amount of the suctioned material collected while suctioning continues by the vacuum unit. The automatic discharging cycle of the collection and discharge unit allows drilling fluid to be rapidly vacuumed up and discharged to minimize settlement of debris in the collected material.
    Type: Grant
    Filed: February 19, 2008
    Date of Patent: November 6, 2012
    Assignee: Diamond Tank Rentals, Inc.
    Inventors: Scott Sanders, Jeffry Sawyer
  • Patent number: 7582169
    Abstract: The device according to the invention for cleaning a powder coating booth has a mobile frame, which can be moved along the insides of the booth. The frame includes suction nozzles for sucking off powder residues from the insides of the booth.
    Type: Grant
    Filed: March 28, 2005
    Date of Patent: September 1, 2009
    Assignee: J. Wagner AG
    Inventor: Armando Volonte
  • Patent number: 7536745
    Abstract: An apparatus for removing stains from a fabric includes a device configured to draw a stain removal liquid through the fabric. The stain removal liquid may be drawn through the liquid through the use of suction directed by a nozzle. The nozzle may be placed over the fabric, which is placed over a reservoir of stain removal liquid. Thereafter, a pressure is activated and the stain removal liquid is drawn through the fabric, removing the stain. The apparatus may be a hand-held device. The hand-held device comprises two handles and two workpieces. A pressure source is placed in the handle, creating a pressure at a first workpiece. The fabric is placed between the first workpiece and the second workpiece, drawing a stain removal liquid from a reservoir in the second workpiece through the fabric.
    Type: Grant
    Filed: May 8, 2007
    Date of Patent: May 26, 2009
    Assignee: The Dial Corporation
    Inventor: Ben Shenouda
  • Publication number: 20090089968
    Abstract: A light weight vehicle adapted to conduct and assist cleaning and video inspections of sewer lines. The vehicle is configured to be light and maneuverable. The vehicle is equipped with inspection cameras and support equipment that are positioned such that the operator can conduct the inspection from inside the vehicle. The vehicle may also include a telescoping camera boom that enables an operator to inspect the inside of manholes. The vehicles includes sides and a roof that provides protection for the operators, equipment, and paperwork.
    Type: Application
    Filed: July 16, 2008
    Publication date: April 9, 2009
    Applicant: Chief Solutions, Inc.
    Inventor: Rufus Davis, JR.
  • Patent number: 7299522
    Abstract: A vacuum cleaning device powered by compressed air includes a canister forming an internal collection chamber for collecting liquid and debris sucked up by the vacuum cleaning device. The vacuum includes a user operated drain from which liquid and debris collected in the collection chamber of the vacuum can be drained, when desired, and may also include a liquid extraction conduit extending into the collection chamber and attachable to a liquid pump for pumping liquid sucked up into the vacuum from the collection chamber. This makes draining the collection chamber much easier that in other vacuums. The vacuum device also includes a filter for air leaving the device which may include filter material in a filter housing over which a vacuum bag may be placed. A bypass in the filter housing may be opened to allow air from the device to bypass the filter material in the housing and pass directly into the vacuum bag.
    Type: Grant
    Filed: April 1, 2004
    Date of Patent: November 27, 2007
    Inventor: Donald A. Smith
  • Patent number: 7203994
    Abstract: A vacuum cleaner powered by compressed air includes a canister forming an internal collection chamber. The vacuum cleaner includes a drain at the bottom of the collection chamber from which liquid and debris can be drained, and may also provide for pressurizing the collection chamber for forcing collected liquid from the drain to a liquid drain or collecting drum or tank. This makes draining the collection chamber easier than in other vacuum cleaners. Preferably the bottom of the chamber slopes toward the drain. The chamber may be pressurized by the compressed air used to power the vacuum cleaner. The vacuum cleaner may also include a separate pressure tank for holding a degreaser, detergent, or soap which can be sprayed onto the residue of a liquid spill afier the liquid has been sucked up. The vacuum cleaner may includes wheels and a handle for easy movement.
    Type: Grant
    Filed: October 13, 2004
    Date of Patent: April 17, 2007
    Inventor: Donald A. Smith
  • Patent number: 7168120
    Abstract: An automatic swimming pool cleaning robot is disclosed, comprising a body, a suction head, an unstable valve, a suction pipe having an upper end, a recuperating filter connected to the upper end, and a venturi injector, wherein the unstable valve is activated to activate the robot. The robot combines the advantages of vacuum-fed robots and pressure-fed robots.
    Type: Grant
    Filed: June 28, 2001
    Date of Patent: January 30, 2007
    Inventors: Jacques-Alexandre Habif, Marc Idoine
  • Patent number: 7059014
    Abstract: An apparatus for cleaning at least one surface of tubular tool rails includes an elongated housing having a free end, at least one brush rotatably attached to the free end of the housing, and a motor attached to the housing. The motor is operable to rotate the at least one brush to clean the at least one surface of the tool rail when the brush contacts the at least one surface. A debris removal device is attached to the housing adjacent the brush.
    Type: Grant
    Filed: February 11, 2003
    Date of Patent: June 13, 2006
    Assignee: General Motors Corporation
    Inventors: Christopher J. Martone, Randall R. Sobocienski, Stephen J. Veryser
  • Patent number: 7047984
    Abstract: A cleaning device for use in the production of semiconductor components comprises two feed devices with which a fluid medium is guided across a respective surface of an object to be cleaned so that different faces of the object are simultaneously cleaned. At least two gas feeding devices, having one means each for directing a gas flow onto the surface of the object to be cleaned, open into a cleaning chamber supplying a pressurized cleaning gas. At least two extraction means are connected to the outside of the cleaning chamber for discharging the gas fed to the cleaning chamber. The object can be introduced into the cleaning chamber through at least one gap. At least two ionization means are used to ionize the gas and the particles that are present in the cleaning chamber. One ionization means each is mounted between a direction means and an extraction means.
    Type: Grant
    Filed: June 26, 2001
    Date of Patent: May 23, 2006
    Assignee: Brooks Automation, Inc.
    Inventors: Jakob Blattner, Rudy Federici
  • Patent number: 6966132
    Abstract: A method for moving subsea rocks and sediments which can be at significant depths, in connection with removal of protective rocks around installations where maintenance is to be conducted. Tubing with an ejector nozzle is arranged completely externally in relation to the tubing on a standard, remote controlled submarine (ROV), so that the ejector nozzle produces a pressure gradient through the tubing. An inlet end of the tubing is located with the rocks and sediments to be moved, which are sucked into the tubing and blown out of the opposite end of the tubing.
    Type: Grant
    Filed: October 30, 2000
    Date of Patent: November 22, 2005
    Assignee: GTO Subsea AS
    Inventors: Tom Jacobsen, Terje Fagervold, Gunner Fagervold, Gustav Kvalvaag
  • Patent number: 6845542
    Abstract: A container including: at least one wall defining an interior cavity; a propellant disposed in the interior cavity; a release valve disposed in the at least one wall for selectively releasing the propellant from the interior cavity; and a heater for heating the propellant in the interior cavity. Preferably, the container is provided with a venturi device and operates as a suction device upon release of the propellant from the interior cavity into the venturi device.
    Type: Grant
    Filed: August 27, 2002
    Date of Patent: January 25, 2005
    Assignee: The Research Foundation of State University of New York
    Inventors: Jahangir S. Rastegar, David Haarhoff
  • Patent number: 6826799
    Abstract: This invention is a compressed air vaccum that attaches to an air hose and forces air down the handle. The air is then is forced through a venture, which causes vacuum to occur. It has a baffle deflection piece that stops the liquid and debris from coming up into the venture thus allowing the debris and liquid material to be dropped back into the canister of the vaccum. The handle, venture, and baffle are all one piece. The canister with the pick up tube for sucking is a separate piece and then they snap together. The canister is removable from the handle piece for easy clean up.
    Type: Grant
    Filed: January 25, 2002
    Date of Patent: December 7, 2004
    Inventor: Donald A Smith
  • Patent number: 6818070
    Abstract: To dispose wine expectorant from a spit bucket, the interior of a portable pressurizable rigid tank is connected to a vacuum pump which draws a vacuum in the tank. The tank is disconnected from the pump and transported to the spit bucket. An inlet end of a suction conduit connected to the tank is inserted into the spit bucket. A passage from the inlet end to the tank interior is opened to cause the vacuum in the tank to draw-in the wine expectorant from the spit bucket. The tank is taken to a discharge station, and a drain of the tank is opened in order to discharge the tank contents.
    Type: Grant
    Filed: May 8, 2002
    Date of Patent: November 16, 2004
    Inventor: Neil A. Rosenberg
  • Publication number: 20040040581
    Abstract: Apparatus for controlling a suction-type pool cleaner, which is not connected to an external power supply by electrical conductors, employs an electrical generator powered by water flow through the cleaner. The output of the generator is used, under the control of a computer, optionally in response to sensors, to actuate a motor or a valve to influence the movement path of the cleaner through the water.
    Type: Application
    Filed: August 28, 2003
    Publication date: March 4, 2004
    Applicant: Azoteq (Pty) Ltd
    Inventor: Frederick Johannes Bruwer
  • Publication number: 20040040115
    Abstract: A container including: at least one wall defining an interior cavity; a propellant disposed in the interior cavity; a release valve disposed in the at least one wall for selectively releasing the propellant from the interior cavity; and a heater for heating the propellant in the interior cavity. Preferably, the container is provided with a venturi device and operates as a suction device upon release of the propellant from the interior cavity into the venturi device.
    Type: Application
    Filed: August 27, 2002
    Publication date: March 4, 2004
    Applicant: THE RESEARCH FOUNDATION OF STATE UNIVERSITY OF NEW YORK
    Inventors: Jahangir S. Rastegar, David Haarhoff
  • Patent number: 6641301
    Abstract: A method and apparatus for maintaining a viewing window of a detector substantially clean includes enclosing the detector within a housing, and moving a target surface relative to the viewing window to create an airflow adjacent the viewing window. The housing can include an aperture through which the viewing window of the sensor views the target surface. Motion of the target surface creates an airflow velocity adjacent the viewing window for maintaining the viewing window substantially clean. To increase the accuracy of the detector, a high emissivity area is provided on an outside surface of the housing which faces the target surface.
    Type: Grant
    Filed: April 9, 2001
    Date of Patent: November 4, 2003
    Assignee: Exergen Corporation
    Inventor: Francesco Pompei
  • Patent number: 6615441
    Abstract: A cleaning apparatus for cleaning cylindrical articles includes a container that defines a process chamber. The process chamber is adapted to receive cylindrical articles that have been soiled by dust. The process chamber is substantially closed except for an inserting/removing opening formed in the container. A dust duct is connected to the container so as to communicate with the process chamber. A device is provided for producing a gas-liquid mixture jet within the dust duct so as to induce airflow directed from the process chamber toward the dust duct. Therefore, dust will be drawn into the dust duct and will not scatter to the surrounding environment. The liquid may further wet the dust suspended within the dust duct in order to simplify the process for disposing of the dust removed from the article.
    Type: Grant
    Filed: August 7, 2001
    Date of Patent: September 9, 2003
    Assignee: Yugen Kaisha Showa Kogyosho
    Inventor: Yorihisa Yamaguchi
  • Patent number: 6615447
    Abstract: A vacuum cleaner includes a case having a collection chamber including a filter for removing extraneous matter mixed with air sucked in through main suction channels and an apparatus chamber including a fan motor assembly for generating suction force and discharging intake air behind the collection chamber and a peripheral air suction unit connected between the external surface of the case and the main suction channels or between the external surface of the case and the inside of the collection chamber in addition to the main suction channels, the peripheral air suction unit sucking up the air around the case. It is possible to suck up dust that floats in the air around the vacuum cleaner, caused by air discharged when the vacuum cleaner is used and to purify the air. Accordingly, it is possible to reduce the inconvenience of a user and to improve cleaning efficiency.
    Type: Grant
    Filed: November 14, 2001
    Date of Patent: September 9, 2003
    Assignee: LG Electronics Inc.
    Inventor: Ho Seon Rew
  • Publication number: 20030163890
    Abstract: This invention is a compressed air vaccum that attaches to an air hose and forces air down the handle. The air is then is forced through a venture, which causes vacuum to occur. It has a baffle deflection piece that stops the liquid and debris from coming up into the venture thus allowing the debris and liquid material to be dropped back into the canister of the vacuum. The handle, venture, and baffle are all one piece. The canister with the pick up tube for sucking is a separate piece and then they snap together. The canister is removable from the handle peice for easy clean up.
    Type: Application
    Filed: January 25, 2002
    Publication date: September 4, 2003
    Inventor: Donald A. Smith
  • Publication number: 20030066160
    Abstract: A self-propelled washing apparatus comprises a housing having an interior which opens toward an open side of the housing; a flexible member air-tightly coupled to the open side of the housing; a drive mechanism for engaging a vertical or inclined support surface along which the apparatus is to be propelled to wash the support surface; and a device for producing reduced pressure in the interior of the housing. When the open side of the housing is placed against the support surface, the reduced pressure in the interior of the housing causes the housing to move toward the support surface and to flex the flexible member. Most of the reaction force to the moving of the housing comes from a contact force between the drive mechanism and the support surface. This contact force maintains positive and accurate driving of the apparatus along the support surface.
    Type: Application
    Filed: October 5, 2001
    Publication date: April 10, 2003
    Inventor: Moshe Meller
  • Publication number: 20020189047
    Abstract: A vacuum cleaner is provided which has a simple structure and exerts suction without involving discharge of gas at all so that it can be used in extremely clean environments. A vacuum cleaner (100) comprises a vacuum tank (1) which is previously evacuated to create a vacuum inside, a valve (2) for keeping the vacuum tank 1 airtight, and a suction unit (20) attached to the valve (2); the valve (2) is opened when the vacuum cleaner (100) is used. The valve (2) is a so-called gate valve and the vacuum tank (1) is kept airtight when the gate valve element (22) in the valve (2) is closed. A connection inlet (23) is attached to the valve (2) on the side opposite to its surface attached to the vacuum tank (1). A connection adapter (31) is screwed into the connection inlet (23) and an attachment, e.g. a flexible suction hose (32), is attached to the connection adapter (31).
    Type: Application
    Filed: October 12, 2001
    Publication date: December 19, 2002
    Applicant: MITSUBISHI DENKI KABUSHIKI KAISHA
    Inventor: Masakazu Nakabayashi
  • Patent number: 6484355
    Abstract: A vacuum cleaner containing an air passage system which is modified to increase the amount and speed of air drawn into the vacuum cleaner without increasing the capacity of the motor, whereby the performance of the vacuum cleaner is enhanced.
    Type: Grant
    Filed: August 22, 2001
    Date of Patent: November 26, 2002
    Assignee: LG Electronics Inc.
    Inventors: Seong Ho Cho, Seong Bin Lee, Sung IL Park
  • Patent number: 6484354
    Abstract: An air circulation type vacuum cleaner having a casing with a suction port and an exhaust port, a suction blower placed to intake air with impurities through the suction port, a suction fan having a dust collecting filter placed on the outlet side of the suction blower to filter the impurities from the air. The vacuum cleaner also has at least one reflux pipe with an inlet portion placed on an outlet side of the suction fan in order to return the air discharged from the suction fan to an inlet side of the suction fan and at least one ejector installed on an outlet side of the reflux pipe. The suction force generated by the suction fan and the suction force generated by the vacuum pressure from the redirection of air in the reflux pipe are used together to improve the suction ability of the vacuum cleaner.
    Type: Grant
    Filed: December 21, 2000
    Date of Patent: November 26, 2002
    Assignee: LG Electronics Inc.
    Inventor: Seong Bin Lee
  • Patent number: 6477734
    Abstract: In a fiber-processing machine with a separating edge, in which both fibers as well as air are guided past the edge in a substantially predetermined conveying direction, air layers loaded with dirt particles or waste are deflected by means of the edge from the stream of fibers/air. The removal of dirt is aided at first by means of blast air.
    Type: Grant
    Filed: July 9, 2001
    Date of Patent: November 12, 2002
    Assignee: Maschinenfabrik Rieter AG
    Inventors: Götz Theodor Gresser, Olivier Wüst, Rolf Böhler, Christian Griesshammer
  • Patent number: 6434783
    Abstract: A method and apparatus for reducing food and grease in a wastewater stream from a food service facility. Vacuum is supplied to a suction hose, which is used to remove food and grease from plates and utensils prior to these being introduced into the water flow. The food and grease is collected in a waste container for separate disposal. The suction hose may be fitted with a scrubber head for breaking up and removing the materials. The vacuum may be supplied by an air pressure operated vacuum transducer, or by an exhaust blower. The invention thus solves the problem of high BOD, FOG and TSS levels in wastewater streams from food service facilities, which generate excessive loads on both on-site septic systems and municipal waste water treatment plants.
    Type: Grant
    Filed: July 9, 1999
    Date of Patent: August 20, 2002
    Inventors: Mark Arnold, Kenneth C. Turner
  • Publication number: 20020066155
    Abstract: A vacuum cleaner includes a case having a collection chamber including a filter for removing extraneous matter mixed with air sucked in through main suction channels and an apparatus chamber including a fan motor assembly for generating suction force and discharging intake air behind the collection chamber and a peripheral air suction unit connected between the external surface of the case and the main suction channels or between the external surface of the case and the inside of the collection chamber in addition to the main suction channels, the peripheral air suction unit sucking up the air around the case. It is possible to suck up dust that floats in the air around the vacuum cleaner, caused by air discharged when the vacuum cleaner is used and to purify the air. Accordingly, it is possible to reduce the inconvenience of a user and to improve cleaning efficiency.
    Type: Application
    Filed: November 14, 2001
    Publication date: June 6, 2002
    Inventor: Ho Seon Rew
  • Patent number: 6367119
    Abstract: A dual-duty blowing and exhausting apparatus is provided. The apparatus may be quickly and conveniently converted between blowing and exhausting configurations without exposing its parts to undue wear or damage, and without causing the escape of the collected dust or other scrap material. The apparatus comprises a body member formed with an intermediate cylinder section having a conically contoured internal surface portion coaxially disposed about an axial bore. The apparatus also includes an exhaust valve coupled to a first end section of the body member in substantially sealed manner. This exhaust valve serves to guide compressed air introduced into the body member to the conically contoured internal surface portion for expulsion through the tapered throat portion during the exhausting operation. The apparatus further includes a blow valve detachably coupled to the exhaust valve for effecting the blowing operation.
    Type: Grant
    Filed: September 22, 1999
    Date of Patent: April 9, 2002
    Inventor: Wuu-Cheau Jou
  • Publication number: 20020038491
    Abstract: A vacuum cleaner containing an air passage system which is modified to increase the amount and speed of air drawn into the vacuum cleaner without increasing the capacity of the motor, whereby the performance of the vacuum cleaner is enhanced.
    Type: Application
    Filed: August 22, 2001
    Publication date: April 4, 2002
    Inventors: Seong Ho Cho, Seong Bin Lee, Sung Il Park
  • Publication number: 20010032401
    Abstract: The invention relates to an apparatus and method for directing a low turbulence vehicle-mounted air blast for use in clearing snow or debris from a road or runway. An air blast system is mounted in the central portion of the vehicle underneath the chassis. An air duct is positioned on either side of the truck adjacent to a channel which passes under the truck. The air ducts are designed with minimal curvature and internal baffles in order to minimize air flow turbulence.
    Type: Application
    Filed: April 23, 2001
    Publication date: October 25, 2001
    Inventors: Scott Lewis, Mike Weege, Greg Noah
  • Publication number: 20010027585
    Abstract: The present invention relates to an air circulation type vacuum cleaner comprising a casing having a suction port and an exhaust port separately, a suction blower placed so as to be consecutive to the suction port of the casing in order to suck impurities with surrounding air, a suction fan having a dust collect filter placed so as to be consecutive to the outlet side of the suction blower in order to filter the impurities from the sucked air and a fan motor for generating suction force, at least one reflux pipe arranged its inlet portion is placed on the discharge side of the suction fan having the fan motor in order to return the discharge air discharged from the suction fan to the suction side, and at least one ejector installed on the outlet side of the reflux pipe in order to jet the discharge air with high speed.
    Type: Application
    Filed: December 21, 2000
    Publication date: October 11, 2001
    Applicant: LG Electronics Inc.
    Inventor: Seong Bin Lee
  • Patent number: 6094778
    Abstract: A portable vacuum cleaner for attaching to a can of compressed gas having an output for creating a suction. The cleaner includes a body, a nozzle attached to one end of the body, and a receptacle attached to the other end of the body. The body includes a cap for attaching to the can of compressed gas, and which has a throughbore. The body further includes an external tube that has an intermediate portion, a forward portion, and a rear portion. The receptacle includes a tube and an air permeable bag. The body further includes an internal tube, a valve, and a trigger, which when pressed, opens the valve which allows compressed gas in the can of compressed gas to exit through its output and flow through the internal tube into the rear portion of the external tube and thereby create a suction in the external tube which causes dirt to be drawn through the nozzle, through the external tube, through the tube of the receptacle, and be captured in the air permeable bag.
    Type: Grant
    Filed: August 5, 1998
    Date of Patent: August 1, 2000
    Inventor: Alex Boukas
  • Patent number: 6049941
    Abstract: A portable vacuum system adapted to be worn on the back of an operator for collecting dust and debris generated during use of an air powered tool such as a grinder or a sander. The portable vacuum system is powered by the same pressurized air source used to power the tool, thus eliminating the need to tether the operator to additional hoses. The portable vacuum system comprises a collection bag assembly that has mounted thereto a venturi device which generates a vacuum pressure from a pressurized air supply. A vacuum hose is connected between the vacuum inlet to the venturi device and the power tool. A fluid manifold directs pressurized air through first and second on/off valves to the venturi device and the power tool to provide the operator with the ability to separately control the supply of pressurized air to each device.
    Type: Grant
    Filed: June 18, 1998
    Date of Patent: April 18, 2000
    Assignee: Technical Innovations, Inc.
    Inventor: Edward E. Vollenweider, II
  • Patent number: 6042341
    Abstract: A suction nozzle operated with compressed air is used to generate vacuum in hollow spaces connected on the suction side. Two cylindrical nozzle bores (1, 2) that are coaxial to one another, through which a compressed air flow flows, which are separated by a suction slit (3) are provided. The nozzle bore (2) on the downstream side has a diameter that is at least slightly larger than the nozzle bore (1) on the upstream side. In order to improve the suction action in the suction slit (3) and to simplify the manufacture, it is provided that a downstream bore (17), which continuously expands in the direction of flow (arrow 4) and whose axial length (a3) corresponds to at least twice the length (a2) of the nozzle bore (2) on the downstream side, is connected to the nozzle bore (2) on the downstream side. The downstream bore (17) has a conical design and has a cone angle (.alpha.) of about 3.degree. to 6.degree..
    Type: Grant
    Filed: June 2, 1998
    Date of Patent: March 28, 2000
    Inventor: Siegfried Richter
  • Patent number: 5989360
    Abstract: A portable, self-contained vacuum device designed for hand-held use to create a moderate vacuum effect for various applications. A small diameter tube (10) is firmly attached (14) to the nozzle or spray tip of an aerosol canister and inserted at a point (16) through the wall of, and directed in one direction along the interior length of a larger diameter tube (12). The tubes may be fixed to the exterior of the aerosol canister, may be detachable for storage, or may be manufactured into the interior of the aerosol canister. When propellant gas from the aerosol canister is released and injected out of the outflow end (20) of the smaller diameter tube toward one end of the larger diameter tube, the resulting aspiration of ambient gasses creates a vacuum effect at the opposite end, or intake end (18), of said larger diameter tube.
    Type: Grant
    Filed: September 23, 1997
    Date of Patent: November 23, 1999
    Inventor: Thomas I. Hamilton
  • Patent number: 5944911
    Abstract: A method and apparatus for sweeping seating areas is provided which enables the operator to stand substantially upright while directing a stream of air substantially horizontally along the floor supporting the seats. The apparatus includes a handle adapted for connection to a source of compressed air, a substantially elongated wand connected to the handle, and a nozzle which directs a stream of air along the floor substantially perpendicular to the wand. The nozzle is configured to intake additional air besides the compressed air supplied through the handle to provide increased air volume at pressures reduced from that supplied by the compressed air source. The method includes positioning the apparatus behind seats, particularly in stair-stepped stadium seating areas to provide a substantially horizontal air flow reaching into corners between the riser wall and landing of the seating area and around the bottoms of the seats.
    Type: Grant
    Filed: June 25, 1997
    Date of Patent: August 31, 1999
    Assignee: Winters Company
    Inventors: Robert L. Winters, Thomas P. Wagner
  • Patent number: 5940926
    Abstract: An evacuation apparatus for evacuating waste particles from a plurality of waste sources. A plurality of vacuum lines are in fluid communication with a collector for transporting the waste particles from the waste source to the collector. An ejector is disposed in each of the vacuum lines to provide independent adjustable control of the vacuum level at each inlet.
    Type: Grant
    Filed: August 19, 1997
    Date of Patent: August 24, 1999
    Assignee: Eastman Kodak Company
    Inventors: Richard Inzinna, Mark G. Merritt
  • Patent number: 5924166
    Abstract: The cleaning gun of this invention is equipped for connection to a source of compressed air under 80 psi, and with a directional dial that is mutually adjustable to cause a vacuum to draw in ambient air through an inlet/outlet tube as for removing oily dust and lint from machinery, and to cause air to be blown through the inlet/outlet tube under a maximum of 30 psi as for removing dry dust and lint from machinery and clothing.
    Type: Grant
    Filed: November 26, 1997
    Date of Patent: July 20, 1999
    Inventors: Christopher R. Jones, Darrell K. Terpstra
  • Patent number: 5884360
    Abstract: With one or several pressure streams projected at an acute angle (.alpha.) in relation to the surface to be processed, shearing forces can be reached that are high enough to move solid particles and/or fluid media and thus make it easier to suck them away. The recognition of this fact is used in a delivery/suction nozzle arrangement together with the per se known Coanda effect. The invention may be used with all fluid media, preferably for cleaning practicable and passage surfaces; also for drying and/or degassing surfaces, as well as for industrial processes, in particular substance separation processes.
    Type: Grant
    Filed: January 6, 1997
    Date of Patent: March 23, 1999
    Assignee: Festo KG
    Inventor: Sandor Palffy
  • Patent number: 5867865
    Abstract: A device for extraction of vacuum-cleaned material comprising a propellant ozzle (1) operated by propellant gas that has on a suction side a vacuum tube (4) with vacuum tool (20) on the end for extraction of vacuum cleaned material and on a discharge side is connected to an extraction pipe (9) leading to a suction and filtering system, wherein means (5,6) to automatically trigger a function switching on said propellant nozzle (1) when said vacuum tool (20) is removed from its rest position and that automatically trigger a function switching off said propellant nozzle (1) when said vacuum tool (20) is inserted in its res position into a mounting (7) into which a plunger (6) of a valve (5) controlling the propellant gas slidably projects.
    Type: Grant
    Filed: July 17, 1996
    Date of Patent: February 9, 1999
    Assignee: T.E.T.-Umwelttechnik Gesellschaft fur Lufttechnische Verfahren mbH
    Inventors: Herbert J. Obermuller, Ulrich H. Kethers