Patents by Inventor Michael S. Plechey

Michael S. Plechey 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: 11731605
    Abstract: A pipe bracket for a brake distributor valve for a vehicle includes a pipe bracket body including a main portion mounting face to receive the main portion of the distributor valve, a main-line portion mounting face to receive the main-line portion of the distributor valve, and an attachment face configured to secure the pipe bracket to a vehicle. The main portion mounting face defines a signal port in fluid communication with the signal passageway of the main portion. The main-line portion mounting face defines a signal port in fluid communication with the signal passageway of the main-line portion.
    Type: Grant
    Filed: December 17, 2019
    Date of Patent: August 22, 2023
    Assignee: WESTINGHOUSE AIR BRAKE TECHNOLOGIES CORPORATION
    Inventors: Michael S. Plechey, Jeffrey B. Skweres
  • Patent number: 11136015
    Abstract: A distributor valve for a brake control system of a vehicle is provided with an access interface that includes a plurality of access ports for measuring the operational pressures of the distributor valve. The distributor valve includes a pipe bracket and a main line and main portions mounted on the pipe bracket. The pipe bracket includes a plurality of passages for communicating the main portion and the main line portion with each other and with a brake pipe, brake cylinder, and reservoir of the brake control system. The plurality of access ports of the access interface includes ports in communication with the working chamber passage, valve chamber passage, brake pipe passage, reservoir passage, and the brake cylinder passage of the pipe bracket.
    Type: Grant
    Filed: December 18, 2019
    Date of Patent: October 5, 2021
    Assignee: WESTINGHOUSE AIR BRAKE TECHNOLOGIES CORPORATION
    Inventors: Jeffrey B. Skweres, Michael S. Plechey
  • Patent number: 11027756
    Abstract: An ECP overlay system for a UIC-type distributor valve includes a manifold body having a pipe bracket face configured to engage a face of a pipe bracket of a brake system, a valve face configured to engage a face of a UIC-type distributor valve of a brake system, and an electric manifold face. The system further including an electric manifold assembly engaged with the electric manifold face of the manifold body, with the electric manifold assembly having a pneumatic mode where the electric manifold assembly is configured to allow pneumatic-only control of a brake cylinder of brake system and an ECP mode where the electric manifold assembly is configured to allow electronic control of a brake cylinder of a rbrake system.
    Type: Grant
    Filed: October 30, 2018
    Date of Patent: June 8, 2021
    Assignee: WESTINGHOUSE AIR BRAKE TECHNOLOGIES CORPORATION
    Inventors: Michael S. Plechey, Jeffrey B. Skweres
  • Patent number: 10994756
    Abstract: An ECP overlay system for a Russian distributor valve includes a manifold body having a pipe bracket face configured to engage a face of a pipe bracket of a brake system, a valve face configured to engage a face of a main portion of a Russian distributor valve of a brake system, and an electric manifold face. The system further including an electric manifold assembly engaged with the electric manifold face of the manifold body, with the electric manifold assembly having a pneumatic mode where the electric manifold assembly is configured to allow pneumatic-only control of a brake cylinder of brake system and an ECP mode where the electric manifold assembly is configured to allow electronic control of a brake cylinder of a brake system.
    Type: Grant
    Filed: October 30, 2018
    Date of Patent: May 4, 2021
    Assignee: WESTINGHOUSE AIR BRAKE TECHNOLOGIES CORPORATION
    Inventors: Jeffrey B. Skweres, Michael S. Plechey
  • Publication number: 20200189551
    Abstract: A pipe bracket for a brake distributor valve for a vehicle includes a pipe bracket body including a main portion mounting face to receive the main portion of the distributor valve, a main-line portion mounting face to receive the main-line portion of the distributor valve, and an attachment face configured to secure the pipe bracket to a vehicle. The main portion mounting face defines a signal port in fluid communication with the signal passageway of the main portion. The main-line portion mounting face defines a signal port in fluid communication with the signal passageway of the main-line portion.
    Type: Application
    Filed: December 17, 2019
    Publication date: June 18, 2020
    Inventors: Michael S. Plechey, Jeffrey B. Skweres
  • Patent number: 10654461
    Abstract: A brake distributor valve for a Russian railway vehicle includes a body defining a brake pipe passageway configured to be in fluid communication with a brake pipe, a reservoir passageway configured to be in fluid communication with a reservoir, and a reference pressure passageway configured to be in fluid communication with a reference pressure source. The brake distributor valve includes a service accelerated release valve having a valve member with a first position where the brake pipe passageway is isolated from the reservoir passageway and a second position where the brake pipe passageway is in fluid communication with the reservoir passageway. The valve member is configured to supply pressure from the reservoir passageway to the brake pipe passageway during a brake release event, where the valve member is actuated between the first and second positions based on a pressure within the reference pressure passageway.
    Type: Grant
    Filed: December 6, 2017
    Date of Patent: May 19, 2020
    Assignee: WESTINGHOUSE AIR BRAKE TECHNOLOGIES CORPORATION
    Inventors: Michael S. Plechey, Jeffrey B. Skweres, John Calderone
  • Publication number: 20200122702
    Abstract: A distributor valve for a brake control system of a vehicle is provided with an access interface that includes a plurality of access ports for measuring the operational pressures of the distributor valve. The distributor valve includes a pipe bracket and a main line and main portions mounted on the pipe bracket. The pipe bracket includes a plurality of passages for communicating the main portion and the main line portion with each other and with a brake pipe, brake cylinder, and reservoir of the brake control system. The plurality of access ports of the access interface includes ports in communication with the working chamber passage, valve chamber passage, brake pipe passage, reservoir passage, and the brake cylinder passage of the pipe bracket.
    Type: Application
    Filed: December 18, 2019
    Publication date: April 23, 2020
    Inventors: Jeffrey B. Skweres, Michael S. Plechey
  • Patent number: 10543827
    Abstract: A distributor valve for a brake control system of a railway vehicle is provided with an access interface that includes a plurality of access ports for measuring the operational pressures of the distributor valve. The distributor valve includes a pipe bracket and a main line and main portions mounted on the pipe bracket. The pipe bracket includes a plurality of passages for communicating the main portion and the main line portion with each other and with a brake pipe, brake cylinder, and reservoir of the brake control system. The plurality of access ports of the access interface includes ports in communication with the working chamber passage, valve chamber passage, brake pipe passage, reservoir passage, and the brake cylinder passage of the pipe bracket.
    Type: Grant
    Filed: August 30, 2017
    Date of Patent: January 28, 2020
    Assignee: WESTINGHOUSE AIR BRAKE TECHNOLOGIES CORPORATION
    Inventors: Jeffrey B. Skweres, Michael S. Plechey
  • Publication number: 20190144018
    Abstract: An ECP overlay system for a UIC-type distributor valve includes a manifold body having a pipe bracket face configured to engage a face of a pipe bracket of a railway brake system, a valve face configured to engage a face of a UIC-type distributor valve of a railway brake system, and an electric manifold face. The system further including an electric manifold assembly engaged with the electric manifold face of the manifold body, with the electric manifold assembly having a pneumatic mode where the electric manifold assembly is configured to allow pneumatic-only control of a brake cylinder of railway brake system and an ECP mode where the electric manifold assembly is configured to allow electronic control of a brake cylinder of a railway brake system.
    Type: Application
    Filed: October 30, 2018
    Publication date: May 16, 2019
    Inventors: Michael S. Plechey, Jeffrey B. Skweres
  • Publication number: 20190144019
    Abstract: An ECP overlay system for a Russian distributor valve includes a manifold body having a pipe bracket face configured to engage a face of a pipe bracket of a railway brake system, a valve face configured to engage a face of a main portion of a Russian distributor valve of a railway brake system, and an electric manifold face. The system further including an electric manifold assembly engaged with the electric manifold face of the manifold body, with the electric manifold assembly having a pneumatic mode where the electric manifold assembly is configured to allow pneumatic-only control of a brake cylinder of railway brake system and an ECP mode where the electric manifold assembly is configured to allow electronic control of a brake cylinder of a railway brake system.
    Type: Application
    Filed: October 30, 2018
    Publication date: May 16, 2019
    Inventors: Jeffrey B. Skweres, Michael S. Plechey
  • Publication number: 20190061731
    Abstract: A distributor valve for a brake control system of a railway vehicle is provided with an access interface that includes a plurality of access ports for measuring the operational pressures of the distributor valve. The distributor valve includes a pipe bracket and a main line and main portions mounted on the pipe bracket. The pipe bracket includes a plurality of passages for communicating the main portion and the main line portion with each other and with a brake pipe, brake cylinder, and reservoir of the brake control system. The plurality of access ports of the access interface includes ports in communication with the working chamber passage, valve chamber passage, brake pipe passage, reservoir passage, and the brake cylinder passage of the pipe bracket.
    Type: Application
    Filed: August 30, 2017
    Publication date: February 28, 2019
    Inventors: Jeffrey B. Skweres, Michael S. Plechey
  • Publication number: 20190061730
    Abstract: An automatic single-car test device for a distributor valve of a railway vehicle includes an air supply source, an adapter having a working chamber fitting, a valve chamber fitting, a reservoir fitting, a brake cylinder fitting, and a brake pipe fitting, an operating portion in fluid communication with the air supply source and the adapter, where the operating portion is configured to measure pressure within the working chamber fitting, the valve chamber fitting, the reservoir fitting, the brake cylinder fitting, and the brake pipe fitting and generate an electrical signal representing the respective pressure with the fittings. The test device further including a processing portion having a microprocessor, an input/output device, and a power supply. The processing portion configured to manipulate pressure within the working chamber passage, the valve chamber passage, the reservoir passage, the brake cylinder passage, and the brake pipe passage of the distributor valve via the adapter.
    Type: Application
    Filed: August 30, 2017
    Publication date: February 28, 2019
    Inventors: Jeffrey B. Skweres, Michael S. Plechey, Gary M. Sich
  • Patent number: 10214195
    Abstract: An automatic single-car test device for a distributor valve of a railway vehicle includes an air supply source, an adapter having a working chamber fitting, a valve chamber fitting, a reservoir fitting, a brake cylinder fitting, and a brake pipe fitting, an operating portion in fluid communication with the air supply source and the adapter, where the operating portion is configured to measure pressure within the working chamber fitting, the valve chamber fitting, the reservoir fitting, the brake cylinder fitting, and the brake pipe fitting and generate an electrical signal representing the respective pressure with the fittings. The test device further including a processing portion having a microprocessor, an input/output device, and a power supply. The processing portion configured to manipulate pressure within the working chamber passage, the valve chamber passage, the reservoir passage, the brake cylinder passage, and the brake pipe passage of the distributor valve via the adapter.
    Type: Grant
    Filed: August 30, 2017
    Date of Patent: February 26, 2019
    Assignee: Westinghouse Air Brake Technologies Corporation
    Inventors: Jeffrey B. Skweres, Michael S. Plechey, Gary M. Sich
  • Publication number: 20180170339
    Abstract: A brake distributor valve for a Russian railway vehicle includes a body defining a brake pipe passageway configured to be in fluid communication with a brake pipe, a reservoir passageway configured to be in fluid communication with a reservoir, and a reference pressure passageway configured to be in fluid communication with a reference pressure source. The brake distributor valve includes a service accelerated release valve having a valve member with a first position where the brake pipe passageway is isolated from the reservoir passageway and a second position where the brake pipe passageway is in fluid communication with the reservoir passageway. The valve member is configured to supply pressure from the reservoir passageway to the brake pipe passageway during a brake release event, where the valve member is actuated between the first and second positions based on a pressure within the reference pressure passageway.
    Type: Application
    Filed: December 6, 2017
    Publication date: June 21, 2018
    Inventors: Michael S. Plechey, Jeffrey B. Skweres, John Calderone
  • Patent number: 9616872
    Abstract: A main piston assembly for a service valve portion of a brake control valve for a railway vehicle braking system includes a service graduating valve and a service slide valve. The graduating valve includes a first side having a porting pattern defined therein. The service slide valve includes a graduating valve seat having a porting pattern in a first side and a service slide valve face having a porting pattern in an opposing second side. The porting patterns of the first side of the graduating valve, the graduating valve seat, and the service slide valve face are configured to perform an accelerated application valve function venting brake pipe pressure to atmosphere and to direct pressure from an accelerated release reservoir to the service graduating valve to discontinue the accelerated application valve function when a slight brake pipe over-reduction condition exists.
    Type: Grant
    Filed: May 8, 2013
    Date of Patent: April 11, 2017
    Assignee: Wabtec Holding Corp.
    Inventors: Jeffrey B. Skweres, Gary M. Sich, Michael S. Plechey
  • Patent number: 9555790
    Abstract: A main piston bushing for a service valve portion of a brake control valve includes a cylindrical sidewall defining a central passageway extending longitudinally through the main piston bushing, the central passageway being surrounded by an internal surface of the cylindrical sidewall. The central passageway is configured to receive the main piston assembly of the service valve portion. The internal surface of the cylindrical sidewall includes a first ramp and a second ramp defined therein, the first ramp and the second ramp being configured to engage a portion of the main piston assembly of the service valve portion to restrain movement of the main piston assembly.
    Type: Grant
    Filed: May 24, 2013
    Date of Patent: January 31, 2017
    Assignee: Wabtec Holding Corp.
    Inventors: Jeffrey B. Skweres, Michael S. Plechey, Gary M. Sich
  • Patent number: 9327701
    Abstract: A service portion of a rail control valve includes a body defining a piston passageway, an inshot valve passageway, and a service accelerated release valve passageway. An inshot valve is received by the inshot valve passageway of the body and a service accelerated release valve is received by the service accelerated release valve passageway.
    Type: Grant
    Filed: September 26, 2011
    Date of Patent: May 3, 2016
    Assignee: Wabtec Holding Corp.
    Inventors: Gary M. Sich, Jeffrey B. Skweres, Michael S. Plechey, David J. Meyer
  • Publication number: 20150144825
    Abstract: A main piston bushing for a service valve portion of a brake control valve includes a cylindrical sidewall defining a central passageway extending longitudinally through the main piston bushing, the central passageway being surrounded by an internal surface of the cylindrical sidewall. The central passageway is configured to receive the main piston assembly of the service valve portion. The internal surface of the cylindrical sidewall includes a first ramp and a second ramp defined therein, the first ramp and the second ramp being configured to engage a portion of the main piston assembly of the service valve portion to restrain movement of the main piston assembly.
    Type: Application
    Filed: May 24, 2013
    Publication date: May 28, 2015
    Inventors: Jeffrey B. Skweres, Michael S. Plechey, Gary M. Sich
  • Publication number: 20150145323
    Abstract: A main piston assembly for a service valve portion of a brake control valve for a railway vehicle braking system includes a service graduating valve and a service slide valve. The graduating valve includes a first side having a porting pattern defined therein. The service slide valve includes a graduating valve seat having a porting pattern in a first side and a service slide valve face having a porting pattern in an opposing second side. The porting patterns of the first side of the graduating valve, the graduating valve seat, and the service slide valve face are configured to perform an accelerated application valve function venting brake pipe pressure to atmosphere and to direct pressure from an accelerated release reservoir to the service graduating valve to discontinue the accelerated application valve function when a slight brake pipe over-reduction condition exists.
    Type: Application
    Filed: May 8, 2013
    Publication date: May 28, 2015
    Inventors: Jeffrey B. Skweres, Gary M. Sich, Michael S. Plechey
  • Publication number: 20130248031
    Abstract: A service portion of a rail control valve includes a body defining a piston passageway, an inshot valve passageway, and a service accelerated release valve passageway. An inshot valve is received by the inshot valve passageway of the body and a service accelerated release valve is received by the service accelerated release valve passageway.
    Type: Application
    Filed: September 26, 2011
    Publication date: September 26, 2013
    Applicant: WABTEC HOLDING CORP.
    Inventors: Gary M. Sich, Jeffrey B. Skweres, Michael S. Plechey, David J. Meyer