Patents Assigned to Cavagna Group S.p.A.
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Patent number: 12535188Abstract: A protection device for a container for pressurized gas comprises a main body which is configured so as to at least partially close a valve body of the container and a coupling element being rotatably connected to the main body. The main body comprises an abutment element which extends in the direction away from the main body, the abutment element being configured in such a manner that, when the coupling element is in an open configuration, a receiving cavity is defined between the abutment element and the arms and is configured to receive a bar-shaped element.Type: GrantFiled: December 22, 2022Date of Patent: January 27, 2026Assignee: CAVAGNA GROUP S.P.A.Inventors: Giancarlo Nicolini, Elena Rossini
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Patent number: 12443209Abstract: A pressure regulator for a gas comprising an outflow pipe for the gas, a movable closure member, a main body comprising a first chamber in fluid communication with the out flow pipe, a second chamber in atmospheric contact, a separation element which is movable inside the main body so as to define a movable separation wall between the first chamber and the second chamber and which is fixedly joined to the movable closure member, characterized in that the main body further comprises a first magnetic element which is arranged in the first chamber, a second magnetic element which is arranged in the second chamber, and a third magnetic element which is associated with the separation element and which has such a polarity as to be in a state of attraction with one of the first magnetic element and the second magnetic element and in a state of repulsion with the other.Type: GrantFiled: May 25, 2022Date of Patent: October 14, 2025Assignee: CAVAGNA GROUP S.P.A.Inventors: Luigi Tomaselli, Giuliano Cavagna
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Patent number: 12392424Abstract: A flow regulator comprising a housing having a first chamber, a second chamber and a valve seat which is arranged between these chambers, a valve head which is arranged in the first chamber and which has at least a first surface which faces the first chamber, a second surface which faces the second chamber when the valve head is in a closed position and a through-hole between the first surface and second surface, the valve head being movable between an open position and a closed position, a shaft which is capable of moving the valve head between the open and closed positions, and an engaging pin which is at least partially received in the hole of the valve head in a sliding manner, the engaging pin being capable of moving with respect to the valve head between at least one non-sealed position and one sealed position, and being in this at least one non-sealed position when the valve head is in the open position and being capable of moving into the non-sealed position when the valve head is in the closed positiType: GrantFiled: December 21, 2021Date of Patent: August 19, 2025Assignee: Cavagna Group S.P.A.Inventors: Alessandro Modena, Vanni Zacche'
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Publication number: 20250198526Abstract: A shut-off valve for a fluid includes a valve body having a discharge channel with an interception zone arranged between the inlet and the outlet. A closure device is movable between open and closed positions. An oscillating group is configured to abut the closure device, maintaining it in the open position, when it is in the rest position, and to allow a translational movement of the closure device into the closed position when it is in the safety position. The oscillating group is configured to be moved from the rest position to the safety position when the inertial mass is subjected to a lateral acceleration greater than a predefined value.Type: ApplicationFiled: March 15, 2023Publication date: June 19, 2025Applicant: CAVAGNA GROUP S.P.A.Inventor: Savio Cavagna
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Publication number: 20250164078Abstract: A method for monitoring the passage of gas through a supply tube includes measuring the pressure of the gas inside a pressurized container at a first time and at a second time. The temperature of the gas is measured. A pressure difference is calculated. A temperature difference is calculated. An alarm signal is generated if the pressure difference is less than a pre-established value and the temperature difference is greater than or equal to zero.Type: ApplicationFiled: February 17, 2023Publication date: May 22, 2025Applicant: CAVAGNA GROUP S.P.A.Inventors: Matteo Compagnoni, Giancarlo Nicolini, Paolo Ragnoli
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Publication number: 20250164079Abstract: A method for controlling a monitoring unit for the residual supply time for the gas present in a pressurized container includes associating with a plurality of angular positions respective residual time values in accordance with a selected flow; measuring the angular position of the control element by means of a magnetic tunnel effect angle sensor. A residual time value is determined in accordance with the selected flow corresponding to the angular position of the rotary control element; measuring an intensity of the magnetic field by means of the magnetic tunnel effect angle sensor TMR. A limit intensity value is defined for the magnetic field. A display device displays the residual time value in accordance with the selected flow only if the intensity of the magnetic field measured is less than the limit value.Type: ApplicationFiled: February 17, 2023Publication date: May 22, 2025Applicant: CAVAGNA GROUP S.P.A.Inventors: Matteo Compagnoni, Giancarlo Nicolini, Paolo Ragnoli
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Patent number: 12152738Abstract: A gas station for delivery of gas to appliances comprising a casing and a gas regulation device comprising at least a gas regulator and a filter. The gas regulation device is mounted within the casing which comprises a ground plate and a cover element secured onto the ground plate. The ground plate is configured for mounting to a wall or an external mounting post and comprises at least one spacer, so that the ground plate is attached to the wall or the external mounting post in such a way that a predefined gap is maintained between the ground plate and the wall or between the ground plate and the mounting post. The ground plate includes a flap which supports the gas regulation device and the cover element and a hook configured to hook the cover element in the ground plate via a locking element.Type: GrantFiled: December 20, 2023Date of Patent: November 26, 2024Assignee: Cavagna Group S.p.A.Inventor: Bernard Schlick
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Patent number: 12146586Abstract: 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: GrantFiled: June 18, 2021Date of Patent: November 19, 2024Assignee: CAVAGNA GROUP S.P.A.Inventor: Giancarlo Nicolini
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Patent number: 12147251Abstract: 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: GrantFiled: December 12, 2019Date of Patent: November 19, 2024Assignee: CAVAGNA GROUP S.P.A.Inventor: Savio Cavagna
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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: 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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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: 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: 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: D616067Type: GrantFiled: January 12, 2007Date of Patent: May 18, 2010Assignee: Cavagna Group S.p.A.Inventor: Savio Cavagna
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Patent number: D623272Type: GrantFiled: November 16, 2009Date of Patent: September 7, 2010Assignee: Cavagna Group S.p.A.Inventor: Savio 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