Patents Assigned to Cavagna Group
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Patent number: 11867361Abstract: A gas station for delivery of gas to appliances, in particular in a building, comprising a casing (12) and a gas regulation device (13) with several components comprising a gas regulator 14 and one filter (32), wherein the gas regulation device (13) is mounted or mountable within the casing (12), wherein the casing (12) comprises a ground plate (10) and a cover element (11) being securable or secured onto the ground plate (10), wherein the ground plate (10) is configured for mounting to a wall or to an external mounting post (50).Type: GrantFiled: April 26, 2018Date of Patent: January 9, 2024Assignee: Cavagna Group S.p.A.Inventor: Bernard Schlick
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Publication number: 20230258280Abstract: A valve assembly for pressurized containers includes a main structure, a rotary control element rotatably connected to the main structure and configured so as to allow a gas flow through the valve assembly in accordance with an angular position thereof about a main rotation axis, a detection device which includes an angular position sensor and a movable member. The angular position sensor is configured to detect the angular position of the movable member about an auxiliary rotation axis. The movable member is rotatably supported on the main structure and the angular position sensor is fixed to the main structure. The valve assembly further includes a movement conversion mechanism configured so as to convert the movement of the rotary control element about the main axis into a corresponding rotational movement of the movable member about the auxiliary axis which is different with respect to the main rotation axis.Type: ApplicationFiled: June 18, 2021Publication date: August 17, 2023Applicant: CAVAGNA GROUP S.P.A.Inventor: Giancarlo NICOLINI
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Publication number: 20220057816Abstract: A device for controlling the supply of a gas comprises an inlet that can be connected to a gas source, a supply outlet, a regulating chamber communicating with the inlet and outlet, a pressure regulation membrane, means for opening/closing the inlet, and a unit for manually actuating the device, which unit can move with respect to a main axis, wherein the actuation unit is operatively connected to the opening/closing means in order to open/close the inlet, the actuation unit also being operatively connected to the resilient opposition member and comprising means of regulating the resilient opposition member that are capable of varying said opposing force.Type: ApplicationFiled: December 12, 2019Publication date: February 24, 2022Applicant: CAVAGNA GROUP S.P.A.Inventor: Savio CAVAGNA
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Patent number: 10184612Abstract: An adaptor for coupling an associated quick connect fitting on an associated tank to an associated filling gun includes a connector body selectively connectable to the associated filling gun. A hand wheel is mounted to the connector body. A washer is mounted to the connector body. A locking member is received within an aperture of the connector body and selectively received in a groove of the associated quick connect fitting. The locking member allows for engagement of the connector body with the associated filling gun when the locking member is received in the groove of the associated quick connect fitting. A biasing member is disposed between a portion of the connector body and a portion of the washer.Type: GrantFiled: January 21, 2015Date of Patent: January 22, 2019Assignee: Cavagna Group SPAInventor: Davide Cavagna
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Patent number: 9587754Abstract: A safety shut-off device is provided for a liquid gas system for vehicles and/or vehicle trailers, in order to avoid an inadvertent release of gas. The device includes an electromagnetic gas valve for supplying/shutting off the gas, an electronic unit for activating the electromagnetic gas valve, and a flow sensor for determining a current gas flow being discharged from a storage tank. Furthermore, the device includes an evaluation unit for comparing the current gas flow to a previous gas flow or to a gas flow which is indicated by the gas consumers and is to be expected. If, during use, the evaluation unit determines a current gas flow which differs by more than a maximum permissible rate of change from the previous gas flow or from an expected gas flow, the electromagnetic gas valve is activated via the electric unit in order to shut off the supply of gas.Type: GrantFiled: February 7, 2014Date of Patent: March 7, 2017Assignees: Toptron GmbH, Cavagna Group SpA.Inventor: Wilhelm Cramer
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Patent number: 9169953Abstract: The present disclosure pertains to a dielectric fitting for use in a fluid piping system to provide electrical insulation between metal components while fluid is transferred through a sealed connection. The dielectric fitting includes a metallic body including a distal end and a proximal end and a flange extending radially from the body and having a first end surface and an opposite second end surface. An electrical insulation over-mold adheres to the distal end of metallic body, the second end surface of the flange and at least a portion of the first end surface. The insulation over-mold is secured by a plurality of recesses or by an annular member positioned along the distal end. The over-mold includes an annular portion that extends axially away from the distal end of the metallic body.Type: GrantFiled: February 5, 2013Date of Patent: October 27, 2015Assignee: Cavagna Group S.p.A.Inventor: Savio Cavagna
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Publication number: 20150204467Abstract: An adaptor for coupling an associated quick connect fitting on an associated tank to an associated filling gun includes a connector body selectively connectable to the associated filling gun. A hand wheel is mounted to the connector body. A washer is mounted to the connector body. A locking member is received within an aperture of the connector body and selectively received in a groove of the associated quick connect fitting. The locking member allows for engagement of the connector body with the associated filling gun when the locking member is received in the groove of the associated quick connect fitting. A biasing member is disposed between a portion of the connector body and a portion of the washer.Type: ApplicationFiled: January 21, 2015Publication date: July 23, 2015Applicant: CAVAGNA GROUP SPAInventor: Davide Cavagna
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Publication number: 20140150884Abstract: A safety shut-off device is provided for a liquid gas system for vehicles and/or vehicle trailers, in order to avoid an inadvertent release of gas. The device includes an electromagnetic gas valve for supplying/shutting off the gas, an electronic unit for activating the electromagnetic gas valve, and a flow sensor for determining a current gas flow being discharged from a storage tank. Furthermore, the device includes an evaluation unit for comparing the current gas flow to a previous gas flow or to a gas flow which is indicated by the gas consumers and is to be expected. If, during use, the evaluation unit determines a current gas flow which differs by more than a maximum permissible rate of change from the previous gas flow or from an expected gas flow, the electromagnetic gas valve is activated via the electric unit in order to shut off the supply of gas.Type: ApplicationFiled: February 7, 2014Publication date: June 5, 2014Applicants: Cavagna Group SpA., Toptron GmbHInventor: Wilhelm CRAMER
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Patent number: 8720469Abstract: A safety shut-off device is provided for a liquid gas system for vehicles and/or vehicle trailers, in order to avoid an inadvertent release of gas. The device includes an electromagnetic gas valve for supplying/shutting off the gas, an electronic unit for activating the electromagnetic gas valve, and a flow sensor for determining a current gas flow being discharged from a storage tank. Furthermore, the device includes an evaluation unit for comparing the current gas flow to a previous gas flow or to a gas flow which is indicated by the gas consumers and is to be expected. If, during use, the evaluation unit determines a current gas flow which differs by more than a maximum permissible rate of change from the previous gas flow or from a gas flow which is indicated by the gas consumers and is to be expected, the electromagnetic gas valve is activated via the electric unit in order to shut off the supply of gas.Type: GrantFiled: July 31, 2008Date of Patent: May 13, 2014Assignees: Toptron GmbH, Cavagna Group SpA.Inventor: Wilhelm Cramer
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Patent number: 8656945Abstract: A pressure control valve assembly for containers adapted to contain compressed and liquefied gases, comprising a valve body that can be applied to a container for gases and the like, in which a first duct for the gas in output from said container and a pressure regulator device connected to the inside of said container and to said first duct are defined, said pressure regulator device being fully placeable within said container, said regulator device comprising at least one regulator of the piston type.Type: GrantFiled: July 29, 2009Date of Patent: February 25, 2014Assignee: Cavagna Group S.p.A.Inventors: Giancarlo Nicolini, Ezio Cavagna
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Publication number: 20130207377Abstract: The present disclosure pertains to a dielectric fitting for use in a fluid piping system to provide electrical insulation between metal components while fluid is transferred through a sealed connection. The dielectric fitting includes a metallic body including a distal end and a proximal end and a flange extending radially from the body and having a first end surface and an opposite second end surface. An electrical insulation over-mold adheres to the distal end of metallic body, the second end surface of the flange and at least a portion of the first end surface. The insulation over-mold is secured by a plurality of recesses or by an annular member positioned along the distal end. The over-mold includes an annular portion that extends axially away from the distal end of the metallic body.Type: ApplicationFiled: February 5, 2013Publication date: August 15, 2013Applicant: Cavagna Group Switzerland S.A.Inventor: Savio Cavagna
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Patent number: 8312891Abstract: A gas pressure sensor assembly for a gas regulator includes a plurality of selectable inlets, an outlet and a gauge. Each inlet receives pressurized gas from a different one of a plurality of pressurized gas storage containers. The outlet supplies gas to an appliance. The gauge senses a selected gas pressure in an inlet corresponding to the selected gas storage container and visually indicates a pressure of that gas storage container. The gas pressure sensor assembly includes a cooperating member at least partially housed within the gauge, a disc member rotatably responsive to a gas pressure and an sensing device. The sensing device is releasably connected to the gauge, is selectively actuated by movement of the disc member and is configured to provide an audible signal indicative of a generally empty status of the gas storage container.Type: GrantFiled: October 19, 2009Date of Patent: November 20, 2012Assignee: Cavagna GroupInventor: Savio Cavagna
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Patent number: 8282134Abstract: An apparatus and method of assembling a thermally responsive fluid coupling of a pressure reducing fuel regulator is provided. The fuel regulator includes an inlet conduit having a longitudinally extending ridge. A generally annular bushing is positioned over the inlet conduit. The bushing includes a plurality of circumferentially spaced figures and a cutout dimensioned to receive the ridge of the inlet conduit. A fluid-carrying member is positioned at least partially within the inlet conduit. A collar is positioned over the inlet conduit. The collar includes a first end adapted to be releasably connected to a cooperative fluid coupling and a second end. The second end of the collar is secured between the plurality of fingers of the bushing and the inlet conduit for preventing axial movement between the collar and the fluid-carrying member.Type: GrantFiled: May 15, 2009Date of Patent: October 9, 2012Assignee: Cavagna GroupInventor: Savio Cavagna
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Patent number: 8261768Abstract: A device for preventing overfilling of containers, such as those intended to contain liquefied gases, includes a valve body in which a gas duct is defined and a closure. The closure is axially movable in the valve body away from and towards a valve seat in order to respectively open and shut off the gas duct. An actuator, capable of exerting a thrust, urges the closure away from the seat. The actuator includes a float, a cam mechanism and a lever mechanism. The cam mechanism exerts the thrust in an ascending phase of the float until a preimposed limit position corresponding to a maximum filling level is reached. The lever mechanism exerts the thrust in at least a first part of a descending phase of the float starting from the limit position.Type: GrantFiled: July 24, 2009Date of Patent: September 11, 2012Assignee: Cavagna Group Switzerland S.A.Inventor: Niels Frederiksen
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Patent number: 8256451Abstract: A valve device for filling containers, particularly containers intended to contain liquefied gases, includes a valve body in which a gas duct is defined at the inlet of the container, the gas duct extending predominantly in an axial direction. A closure is axially movable in the valve body away from and towards a valve seat in order, respectively, to open and shut off the gas duct. A float type actuator, capable of exerting a thrust on a second end of the closure, is provided. A deflector cover is disposed transversely to the gas pipe and is integral with the valve body. The deflector includes a guide cavity in which a first end of the closure is slidably engaged.Type: GrantFiled: July 24, 2009Date of Patent: September 4, 2012Assignee: Cavagna Group Switzerland S.A.Inventor: Niels Frederiksen
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Publication number: 20110284789Abstract: A valve body (1) which may be applied to a pressure vessel (B), in particular a vessel (B) adapted to contain a liquefied gas, comprises: a first duct (7) which may be used to fill and empty the vessel (B), a second duct (27) connecting the vessel (B) to a safety valve device (15) provided on the valve body (1), a third duct (37) connecting the vessel (B) to a level indicator (28) provided on the valve body (1).Type: ApplicationFiled: January 26, 2009Publication date: November 24, 2011Applicant: CAVAGNA GROUP S.P.A.Inventor: Carlo Cavagna
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Publication number: 20110259426Abstract: A safety shut-off device is provided for a liquid gas system for vehicles and/or vehicle trailers, in order to avoid an inadvertent release of gas. The device includes an electromagnetic gas valve for supplying/shutting off the gas, an electronic unit for activating the electromagnetic gas valve, and a flow sensor for determining a current gas flow being discharged from a storage tank. Furthermore, the device includes an evaluation unit for comparing the current gas flow to a previous gas flow or to a gas flow which is indicated by the gas consumers and is to be expected. If, during use, the evaluation unit determines a current gas flow which differs by more than a maximum permissible rate of change from the previous gas flow or from a gas flow which is indicated by the gas consumers and is to be expected, the electromagnetic gas valve is activated via the electric unit in order to shut off the supply of gas.Type: ApplicationFiled: July 31, 2008Publication date: October 27, 2011Applicants: CAVAGNA GROUP SPA., TOPTRON GMBHInventor: Wilhelm Cramer
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Publication number: 20110155267Abstract: A pressure control valve assembly for containers adapted to contain compressed and liquefied gases, comprising a valve body that can be applied to a container for gases and the like, in which a first duct for the gas in output from said container and a pressure regulator device connected to the inside of said container and to said first duct are defined, said pressure regulator device being fully placeable within said container, said regulator device comprising at least one regulator of the piston type.Type: ApplicationFiled: July 29, 2009Publication date: June 30, 2011Applicant: CAVAGNA GROUP S.P.A.Inventors: Giancarlo Nicolini, Ezio Cavagna
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Patent number: D623273Type: GrantFiled: November 16, 2009Date of Patent: September 7, 2010Assignee: Cavagna Group S.p.A.Inventor: Savio Cavagna
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Patent number: D623274Type: GrantFiled: November 16, 2009Date of Patent: September 7, 2010Assignee: Cavagna Group S.p.A.Inventor: Savio Cavagna