Patents by Inventor Jurgen Heun
Jurgen Heun has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Patent number: 7504602Abstract: The invention relates to a suspended control device (20) which is suspended by means of a control line (1, 24) connected to a unit to be controlled (21). Said suspended control device is especially a control switch or a suspended push-button switch for controlling hoisting equipment, the control line (1, 24) comprising electrical lines (2) for transmitting control signals, and a traction relief element (22) which is supported at the top, on the unit (21), and used to absorb weight and tractive forces. The aim of the invention is to provide a suspended control device (20) whereby the length of the control line (1, 24) can be easily changed. To this end, a storage element for receiving and releasing a defined length of the electrical lines (2) is provided behind the region wherein the traction relief element (22) is supported, seen in the direction of the unit (21) from the suspended control device (20).Type: GrantFiled: June 30, 2003Date of Patent: March 17, 2009Assignee: Demag Cranes & Components GmbHInventors: Michael Röhr, Udo Gersemsky, Wolfgang Krebs, Anton Münzebrock, Rüdiger Ostholt, Giuliano Persico, Erik Appel, Oliver Ullrich, Burkhard Hasenack, Holger Freitag, Jürgen Heun
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Publication number: 20060180562Abstract: The invention relates to a suspended control device (20) which is suspended by means of a control line (1, 24) connected to a unit to be controlled (21). Said suspended control device is especially a control switch or a suspended push-button switch for controlling hoisting equipment, the control line (1, 24) comprising electrical lines (2) for transmitting control signals, and a traction relief element (22) which is supported at the top, on the unit (21), and used to absorb weight and tractive forces. The aim of the invention is to provide a suspended control device (20) whereby the length of the control line (1, 24) can be easily changed. To this end, a storage element for receiving and releasing a defined length of the electrical lines (2) is provided behind the region wherein the traction relief element (22) is supported, seen in the direction of the unit (21) from the suspended control device (20).Type: ApplicationFiled: June 30, 2003Publication date: August 17, 2006Inventors: Michael Rohr, Udo Gersemsky, Wolfgang Krebs, Anton Munzebrock, Rudiger Ostholt, Giuliano Persico, Erik Appel, Oliver Ulrich, Burkhard Hasenack, Holger Freitag, Jurgen Heun
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Patent number: 6964409Abstract: A chain block with a drive motor (2) and with a transmission (3), connected to the drive motor (2) at the take-off side, with a transmission output shaft (4), on which a chain wheel (5) is rigidly arranged for pulling a chain. In order to create a compact chain block, the chain wheel (5) faces the drive motor (2) at its take-off end face (19) and the outer circumference of the chain wheel (5) reaches into the imaginary extension of the outer contour of the drive motor (2).Type: GrantFiled: September 22, 2003Date of Patent: November 15, 2005Assignee: Demag Cranes & Components GmbHInventors: Erik Appel, Ralf Eising, Jürgen Heun, Jörg Lindemaier, Oliver Moll, Klaus Wissing, Thilo Walloschek, Rüdiger Ostholt
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Publication number: 20050043132Abstract: The invention concerns a chain pulley block with a chain wheel for positive-locking transmission of the lift force to the chain and a chain guide arranged in the region of the chain wheel, for guiding the chain, especially a round-link chain, on the chain wheel. In order to make it fast, easy and inexpensive to replace wearing parts, such as chain (3), chain wheel (4) and chain guide (2), it is proposed that the chain guide (2), the chain wheel (4) and the chain (3) be assembled into a structural unit (1), which is removably fastened to the chain pulley block (7).Type: ApplicationFiled: August 2, 2004Publication date: February 24, 2005Inventors: Oliver Moll, Jurgen Heun, Ralf Eising, Udo Gersemsky, Bernhard Norpoth, Erik Appel, Klaus Wissing, Torsten Sattler, Hansjurgen Linde, Thilo Walloshek
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Patent number: 6802487Abstract: A flow regulating apparatus for a fluid, in particular a pneumatic choke valve, includes a housing having an inlet port and an outlet port fluidly connected by a choke channel. A throttling piston is disposed in the choke channel for movement in longitudinal direction between an initial position and an end position. The throttling piston includes a tapered section to define with the choke channel an overflow passage whose cross section is dependent on a position of the throttling piston, wherein the tapered section is configured such that a movement of the throttling piston from the initial position to the end position results in a progressive increase of the cross section of the overflow passage.Type: GrantFiled: July 24, 2002Date of Patent: October 12, 2004Assignee: Demag Cranes & Components GmbHInventors: Jürgen Heun, Markus Löbel, Jörg Führmann
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Publication number: 20040149971Abstract: A chain block with a drive motor (2) and with a transmission (3), connected to the drive motor (2) at the take-off side, with a transmission output shaft (4), on which a chain wheel (5) is rigidly arranged for pulling a chain. In order to create a compact chain block, the chain wheel (5) faces the drive motor (2) at its take-off end face (19) and the outer circumference of the chain wheel (5) reaches into the imaginary extension of the outer contour of the drive motor (2).Type: ApplicationFiled: September 22, 2003Publication date: August 5, 2004Inventors: Erik Appel, Ralf Eising, Jurgen Heun, Jorg Lindemaier, Oliver Moll, Klaus Wissing, Thilo Walloschek, Rudiger Ostholt
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Patent number: 6641117Abstract: Apparatus for slip-free determination of a cable motion in longitudinal cable direction for a hoist, in particular a pneumatically operated cable balancing hoist, which includes a housing, and a cable drum having an outer surface area formed with a groove for receiving a cable. The cable drum is rotatably supported in the housing and moveable in a longitudinal direction in such a way that a run-off point of the cable is at a same location at any time. A sensor is provided to detect markings of the cable drum, as the markings move relative to the sensor during rotation of the cable drum, for delivering an output signal. The groove defines a helical ridge in parallel relationship to the groove, wherein the markings are provided along the ridge, and wherein the sensor is secured to the housing in confronting relationship to the ridge.Type: GrantFiled: May 28, 2002Date of Patent: November 4, 2003Assignee: Demag Cranes & Components GmbHInventors: Jürgen Heun, Markus Löbel, Klaus-Jürgen Winter
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Publication number: 20030020036Abstract: A flow regulating apparatus for a fluid, in particular a pneumatic choke valve, includes a housing having an inlet port and an outlet port fluidly connected by a choke channel. A throttling piston is disposed in the choke channel for movement in longitudinal direction between an initial position and an end position. The throttling piston includes a tapered section to define with the choke channel an overflow passage whose cross section is dependent on a position of the throttling piston, wherein the tapered section is configured such that a movement of the throttling piston from the initial position to the end position results in a progressive increase of the cross section of the overflow passage.Type: ApplicationFiled: July 24, 2002Publication date: January 30, 2003Applicant: DEMAG CRANES & COMPONENTS GMBHInventors: Jurgen Heun, Markus Lobel, Jorg Fuhrmann
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Publication number: 20020175320Abstract: Apparatus for slip-free determination of a cable motion in longitudinal cable direction for a hoist, in particular a pneumatically operated cable balancing hoist, which includes a housing, and a cable drum having an outer surface area formed with a groove for receiving a cable. The cable drum is rotatably supported in the housing and moveable in a longitudinal direction in such a way that a run-off point of the cable is at a same location at any time. A sensor is provided to detect markings of the cable drum, as the markings move relative to the sensor during rotation of the cable drum, for delivering an output signal. The groove defines a helical ridge in parallel relationship to the groove, wherein the markings are provided along the ridge, and wherein the sensor is secured to the housing in confronting relationship to the ridge.Type: ApplicationFiled: May 28, 2002Publication date: November 28, 2002Applicant: DEMAG CRANES & COMPONENTS GMBHInventors: Jurgen Heun, Markus Lobel, Klaus-Jurgen Winter
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Patent number: 6460828Abstract: A brake for a hoist, includes a brake disk and a magnetic filed which is aligned transversely to the brake disk and generates a reactive force which inhibits a movement of the brake disk and is dependent on the rotation speed of the brake disk as well as a radial distance from the rotation axis. The magnetic field is formed by two magnetic poles arranged on both sides of the brake disk.Type: GrantFiled: March 30, 2000Date of Patent: October 8, 2002Assignee: Demag Cranes & Components GmbHInventors: Udo Gersemsky, Heinz Flaig, Jürgen Heun, Franz Schulte, Rüdiger Ostholt
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Patent number: 6241215Abstract: A winch including a casing for accommodating an electric motor, a gearbox and a roller for winding and unwinding a traction member. In order to provide a cost-effective flat winch which can be transported by a single person and used universally, in particular for the domestic sector, the casing has a box-like configuration to exhibit a shape and size of a suitcase or attaché case, with the casing having opposite flat outer sides, with one outer side having attached thereon a suspension member, and the other outer side being formed with an opening for passage of the traction member. The electric motor, the gearbox and the roller are arranged in the casing and extend in a common plane, with the casing including a handle to allow transport of the winch by a person. The electric motor may be designed as a universal motor, and connected via a belt drive to the gearbox which is designed as a self-locking worm drive.Type: GrantFiled: October 26, 1999Date of Patent: June 5, 2001Assignee: Mannesmann AGInventors: Udo Gersemsky, Uwe Lichtenvort, Giuliano Persico, Heinz Flaig, Jürgen Heun, Ralf Eising
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Patent number: 5632469Abstract: An electric hoist with motor-speed-regulated lifting speed, in particular an electric chain hoist, including an electric motor, a gear unit, and a wheel around which the hoisting chain is looped. A load-carrying device is arranged on the hoisting chain. The motor, gear unit and wheel are connected with one another in a drive connection and the lifting speed is provided by an electric control unit for the electric motor, which control unit is connected to a manual control switch. In order to achieve suitable cooling while apportioning the space in an appropriate manner for the arrangement of all required components, the electric control unit, which has control electronics with speed sensing equipment, is arranged in an external protective housing fitted to the gear box.Type: GrantFiled: September 15, 1995Date of Patent: May 27, 1997Assignee: Mannesmann AktiengesellschaftInventors: Jurgen Heun, Holger Freitag, Anton Muller, Anton Munzebrock