Patents Assigned to VAZTEC ENGINE VENTURE, LLC
  • Patent number: 11421563
    Abstract: A cylinder head assembly for an internal combustion engine includes: a cylinder head defining a combustion chamber and having at least one opening communicating therewith; at least one port; at least one rotatable valve element disposed between the at least one opening and the at least one port; and at least one seal assembly disposed between the at least one rotatable valve element and the cylinder head, the seal assembly comprising a seal having a concave sealing face which conforms to a peripheral surface of the at least one valve element, a labyrinth seal disposed opposite the sealing face, and a resilient secondary seal disposed between the seal and the cylinder head.
    Type: Grant
    Filed: August 17, 2021
    Date of Patent: August 23, 2022
    Assignee: VAZTEC ENGINE VENTURE, LLC
    Inventor: Darrick Vaseleniuck
  • Patent number: 10677190
    Abstract: An engine with a rotating valve assembly is disclosed. The valve assembly including a housing having an internal cavity, an open top, and an open bottom, the open top and open bottom being in fluid communication with the internal cavity; a valve barrel positioned in the internal cavity and adapted for rotation therein, the valve barrel having an annular peripheral surface and an aperture extending transversely therethrough communicating with the peripheral surface on opposite sides; a first seal assembly positioned in the open top and a second seal assembly positioned in the open bottom, the first and second seal assemblies each include a seal having a sealing surface in mating engagement with the peripheral surface and an aperture extending therethrough.
    Type: Grant
    Filed: August 30, 2018
    Date of Patent: June 9, 2020
    Assignee: VAZTEC ENGINE VENTURE, LLC
    Inventors: Darrick Vaseleniuck, David Vaseleniuck
  • Patent number: 9903239
    Abstract: An engine includes: a block defining a cylinder bore; a crankshaft mounted for rotation in the block; a piston disposed in the cylinder bore; a connecting rod interconnecting the piston to the crankshaft; and a cylinder head coupled to the block and including: a combustion chamber aligned with the cylinder bore and having an intake opening and an exhaust opening communicating therewith; an intake port; an exhaust port; a rotatable inlet valve barrel disposed between the intake opening and the intake port and having a first diameter; and a rotatable exhaust valve barrel disposed between the exhaust opening and the exhaust port and having a second diameter different from the first diameter.
    Type: Grant
    Filed: January 29, 2015
    Date of Patent: February 27, 2018
    Assignee: VAZTEC ENGINE VENTURE, LLC
    Inventors: Darrick Vaseleniuck, David Vaseleniuck
  • Patent number: 9869397
    Abstract: A modular rotary valve apparatus includes: a plurality of separate valve barrels coupled to each other and arranged end-to-end along an axis so as to define a valve shaft, each valve barrel having an annular peripheral surface extending between forward and aft end faces, and an aperture extending transversely therethrough communicating with the peripheral surface on opposite sides.
    Type: Grant
    Filed: January 29, 2015
    Date of Patent: January 16, 2018
    Assignee: VAZTEC ENGINE VENTURE, LLC
    Inventors: Darrick Vaseleniuck, David Vaseleniuck