Patents by Inventor Stefano Rizzi

Stefano Rizzi 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).

  • Patent number: 11715367
    Abstract: A system is disclosed for managing a set of electrical/electronic devices for driving fans of a heat exchanger of a refrigeration plant, having a basic control unit adapted to act as interface between a remote control unit/Master unit and a plurality of electrical/electronic devices to be controlled. The basic control unit has a data input to receive inputs from the remote control unit/Master unit and a plurality of data outputs connectable with respective electrical/electronic devices of the electrical/electronic devices. The basic control unit is configured to address the electrical/electronic devices using management signals to program the operating parameters of the electrical/electronic devices, and to directly manage the operation. The management signals include addressing, programming and management commands previously programmed in the memory unit based on specific applications and communication protocols.
    Type: Grant
    Filed: March 18, 2021
    Date of Patent: August 1, 2023
    Assignee: SELPRO SRL
    Inventor: Stefano Rizzi
  • Patent number: 11414797
    Abstract: A device (1), a sinker arrangement (5) and a method for loop-forming are described. The device (1) may include a cylinder (2) with first grooves (3) for needles (4) accommodated in a first groove (3), whereby the needles (4) include a loop forming section, and a sinker ring (27) with second grooves (15) for the sinker arrangement (5). The sinker arrangement (5) may include an actuating section (12) and a loop forming section (7). The loop forming section (7) includes an opening (11), and the sinker arrangements (5) are accommodated in one single second groove (15). The opening (11) may be delimited in the width direction (x) by two side faces (23) and the loop forming section of the needle (4) is movably disposed between the two side faces (23) of the opening (11).
    Type: Grant
    Filed: October 9, 2019
    Date of Patent: August 16, 2022
    Assignees: Groz-Beckert KG, Santoni S.P.A.
    Inventors: Martin Wörnle, Marco Andreoli, Stefano Rizzi
  • Publication number: 20220228304
    Abstract: A needle-holding unit for circular knitting machines has a structure shaped as a hollow solid of rotation developing around a central axis is configured for turning around said central axis and for supporting a plurality of needles moving so as to produce a knitted fabric. The needle-holding unit exhibits on an outer side at least one working surface, on which a plurality of needle seats is defined, which are placed beside one another and arranged around the central axis. Each of the needle seats movably houses at least a portion of at least one respective needle which can be actuated with an alternate motion along the respective needle seat with a motion of extraction and a motion of return, in order to produce knitted fabric. Each needle seat has an inclined longitudinal development with respect to the central axis.
    Type: Application
    Filed: May 21, 2020
    Publication date: July 21, 2022
    Applicant: SANTONI S.P.A.
    Inventors: Stefano RIZZI, Marco ANDREOLI, Andrea LONATI
  • Publication number: 20220195644
    Abstract: A support and control device, intended to be mounted in a circular knitting machine provided with a supporting structure, a rotating component-holding unit, and a plurality of stitch formation components, includes a support body provided with a mounting portion, which allows the device to be mounted to the supporting structure, with a front side and a rear side. The front side faces the component-holding unit and is provided with at least one cam for controlling the plurality of stitch formation components, which defines a guiding path which interacts with respective butts for controlling each of the stitch formation components; the rear side is opposite to the front side and faces the outside of the knitting machine.
    Type: Application
    Filed: April 9, 2020
    Publication date: June 23, 2022
    Applicant: SANTONI S.P.A.
    Inventors: Marco ANDREOLI, Stefano RIZZI
  • Publication number: 20220186413
    Abstract: A support and control device, intended to be mounted in a circular knitting machine provided with a supporting structure, a rotating component-holding unit, and a plurality of stitch formation components, includes a support body provided with a mounting portion, which allows the device to be mounted to the supporting structure, with a front side and a rear side. The front side faces the component-holding unit and is provided with at least one cam for controlling the plurality of stitch formation components, which defines a guiding path which interacts with respective butts for controlling each of the stitch formation components; the rear side is opposite to the front side and faces the outside of the knitting machine. The front side is without undercuts or holes or hollow surfaces facing said needle-holding unit.
    Type: Application
    Filed: April 9, 2020
    Publication date: June 16, 2022
    Applicant: SANTONI S.P.A.
    Inventors: Marco ANDREOLI, Stefano RIZZI
  • Publication number: 20210348948
    Abstract: A magnet holder for a stroke sensor in which the stroke sensor comprises a magneto-resistive sensor with a magnet and is configured to sense a linear displacement of a plunger in a cylindrical body of a plunger/cylinder arrangement. The magnet holder includes a sleeve enveloping the plunger; a mounting for the magnet radially protruding from the sleeve; and a cover for closing the sleeve on one side comprising an opening for allowing the linear displacement of the plunger. The sleeve and the cover move relative to each other, when the plunger performs the linear displacement in the cylindrical body.
    Type: Application
    Filed: August 27, 2019
    Publication date: November 11, 2021
    Inventor: Stefano Rizzi
  • Publication number: 20210310164
    Abstract: A device (1), a sinker arrangement (5) and a method for loop-forming are described. The device (1) may include a cylinder (2) with first grooves (3) for needles (4) accommodated in a first groove (3), whereby the needles (4) include a loop forming section, and a sinker ring (27) with second grooves (15) for the sinker arrangement (5). The sinker arrangement (5) may include an actuating section (12) and a loop forming section (7). The loop forming section (7) includes an opening (11), and the sinker arrangements (5) are accommodated in one single second groove (15). The opening (11) may be delimited in the width direction (x) by two side faces (23) and the loop forming section of the needle (4) is movably disposed between the two side faces (23) of the opening (11).
    Type: Application
    Filed: October 9, 2019
    Publication date: October 7, 2021
    Inventors: Martin Wörnle, Marco Andreoli, Stefano Rizzi
  • Publication number: 20210295679
    Abstract: A system is disclosed for managing a set of electrical/electronic devices for driving fans of a heat exchanger of a refrigeration plant, having a basic control unit adapted to act as interface between a remote control unit/Master unit and a plurality of electrical/electronic devices to be controlled. The basic control unit has a data input to receive inputs from the remote control unit/Master unit and a plurality of data outputs connectable with respective electrical/electronic devices of the electrical/electronic devices. The basic control unit is configured to address the electrical/electronic devices using management signals to program the operating parameters of the electrical/electronic devices, and to directly manage the operation. The management signals include addressing, programming and management commands previously programmed in the memory unit based on specific applications and communication protocols.
    Type: Application
    Filed: March 18, 2021
    Publication date: September 23, 2021
    Applicant: SELPRO SRL
    Inventor: Stefano RIZZI
  • Patent number: 10934642
    Abstract: A loop-forming process includes moving a plurality of system components (11, 12) relatively to a needle bed (14). The system components (11, 12) contact threads (23) for forming loops. At least one spacer (10) is placed between at least two adjacent system components (11, 12) of the plurality of system components (11, 12) and defines the distance (21) between the two adjacent system components (11, 12), the spacer (10) being in mechanical contact to the two adjacent system components (11,12). The spacer (10) is placed away from and does not contact threads (23) and is moved with respect to the needle bed (14). The spacer (10) is also moved with respect to both of the two adjacent system components (11, 12) at least for a period of time during the loop forming process. An equivalent device is also disclosed and claimed.
    Type: Grant
    Filed: July 7, 2016
    Date of Patent: March 2, 2021
    Assignee: Groz-Beckert KG
    Inventors: Martin Wörnle, Jörg Sauter, Uwe Stingel, Eric Jürgens, Hans-Jürgen Haug, Marco Andreoli, Stefano Rizzi
  • Patent number: 10908633
    Abstract: A pedal unit for a vehicle, particularly a utility vehicle, has at least one pedal shaft, at least one control cam, at least one pedal and at least one lever arm. The pedal is rigidly secured to the pedal shaft by the lever arm. The control cam is also rigidly secured to the pedal shaft.
    Type: Grant
    Filed: January 3, 2019
    Date of Patent: February 2, 2021
    Assignee: KNORR-BREMSE Systeme fuer Nutzfahrzeuge GmbH
    Inventors: Stefano Rizzi, Giorgio Andreetta
  • Publication number: 20190138045
    Abstract: A pedal unit for a vehicle, particularly a utility vehicle, has at least one pedal shaft, at least one control cam, at least one pedal and at least one lever arm. The pedal is rigidly secured to the pedal shaft by the lever arm. The control cam is also rigidly secured to the pedal shaft.
    Type: Application
    Filed: January 3, 2019
    Publication date: May 9, 2019
    Inventors: Stefano RIZZI, Giorgio ANDREETTA
  • Publication number: 20190003090
    Abstract: A loop-forming process includes moving at least two system components (11, 12) in one groove (16) of a needle bed in a first longitudinal direction (y). The system components contact threads (23) for forming loops. At least one spacer (10) is placed between two adjacent system components (11, 12) moved in the groove (16), whereby this spacer (10) contributes to distance (21) adjustment between loop-forming portions in the direction (?) of the grooves' (16) width. The at least one spacer (10) moves together with a first one of the two adjacent system components (11, 12) and is at least temporarily moved inside a section (41) of the longitudinal (y) extension where the spacer (10) and the second system component (12) are in mechanical contact and/or in which the spacer (10) is in mechanical contact with a second spacer (10) moved together with the second of the two system components (11, 12).
    Type: Application
    Filed: July 27, 2016
    Publication date: January 3, 2019
    Inventors: Martin Wörnle, Marco Andreoli, Stefano Rizzi
  • Publication number: 20190003088
    Abstract: A loop-forming process includes moving a plurality of system components (11, 12) relatively to a needle bed (14). The system components (11, 12) contact threads (23) for forming loops. At least one spacer (10) is placed between at least two adjacent system components (11, 12) of the plurality of system components (11, 12) and defines the distance (21) between the two adjacent system components (11, 12), the spacer (10) being in mechanical contact to the two adjacent system components (11, 12). The spacer (10) is placed away from and does not contact threads and is moved with respect to the needle bed (14). The spacer (10) is also moved with respect to both of the two adjacent system components (11, 12) at least for a period of time during the loop forming process. An equivalent device is also disclosed and claimed.
    Type: Application
    Filed: July 7, 2016
    Publication date: January 3, 2019
    Inventors: Martin Wörnle, Jörg Sauter, Uwe Stingel, Eric Jürgens, Hans-Jürgen Haug, Marco Andreoli, Stefano Rizzi