Patents by Inventor Andrei Troubeev

Andrei Troubeev 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).

  • Shell-and-tube heat exchanger with seal for isolating shell from tube fluid
    Patent number: 10082337
    Abstract: A shell-and-tube heat exchanger includes a shell which defines a passageway extending from a first end to a second end of the shell, a resilient tubesheet having an outer peripheral surface in sealing engagement with an inner peripheral surface of said shell proximate the first end of the shell, the resilient tubesheet supporting a plurality of tubes which extend within the passageway toward the second end, a cap which closes the first end of the shell in a manner in which a space exists between the cap and the resilient tubesheet, and a seal which seals a portion of the inner peripheral surface of the shell between the resilient tubesheet and the first end from the space between the cap and the resilient tubesheet.
    Type: Grant
    Filed: November 16, 2015
    Date of Patent: September 25, 2018
    Assignee: ALFA LAVAL CORPORATE AB
    Inventors: Ritchie Griffin, Andrei Troubeev
  • SHELL-AND-TUBE HEAT EXCHANGER WITH SEAL FOR ISOLATING SHELL FROM TUBE FLUID
    Publication number: 20170138671
    Abstract: A shell-and-tube heat exchanger includes a shell which defines a passageway extending from a first end to a second end of the shell, a resilient tubesheet having an outer peripheral surface in sealing engagement with an inner peripheral surface of said shell proximate the first end of the shell, the resilient tubesheet supporting a plurality of tubes which extend within the passageway toward the second end, a cap which closes the first end of the shell in a manner in which a space exists between the cap and the resilient tubesheet, and a seal which seals a portion of the inner peripheral surface of the shell between the resilient tubesheet and the first end from the space between the cap and the resilient tubesheet.
    Type: Application
    Filed: November 16, 2015
    Publication date: May 18, 2017
    Applicant: ALFA LAVAL CORPORATE AB
    Inventors: Ritchie GRIFFIN, Andrei TROUBEEV
  • Apparatus and Method for Attaching Signs to Vehicular Surfaces
    Publication number: 20080047182
    Abstract: A framing system for mounting flexible or bendable signs to side panels (20) of cargo vans without piercing the panels includes framing members (2) with open U-shaped channels (10) adhesively applied to panels and cover members (6) pressingly engageable in said channels to hold signs (30) within a frame defined by the framing members.
    Type: Application
    Filed: August 16, 2005
    Publication date: February 28, 2008
    Applicant: Sign Media Systems, Inc.
    Inventors: Antonio Uccello, Andrei Troubeev