F01L 1/28

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Description

Class  F01L : CYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES


Subclass 1/28: Valve-gear or valve arrangements, e.g. lift-valve gear (lift valve and valve seat assemblies per seF01L 3/00; slide-valve gear F01L 5/00; actuated non-mechanically F01L 9/00; valve arrangements in working piston or piston-rod F01L 11/00; modifications of valve-gear to facilitate reversing, braking, starting, changing compression ratio, or other specific operations F01L 13/00) characterised by the provision of coaxial valves; characterised by the provision of valves co-operating with both intake and exhaust ports

Recent Patents

Patent #TitleFiling DateIssue DatePatent Owner
11143146 Valve arrangement and valve guideJun 02, 16Oct 12, 21Volvo Truck Corporation
11041456 Internal combustion engineMar 23, 18Jun 22, 21Quest Engines, LLC
10794334 Valve arrangementJun 02, 16Oct 06, 20Volvo Truck Corporation
10738662 Valve arrangement and valve guideSep 19, 19Aug 11, 20Volvo Truck Corporation
10590834 Internal combustion engineMar 27, 18Mar 17, 20QUEST ENGINES, LLC
10590813 Internal combustion engineMar 28, 18Mar 17, 20QUEST ENGINES, LLC
10563546 Valve arrangement and valve guideDec 07, 15Feb 18, 20Volvo Truck Corporation
9982583 Dosing valve for additives at risk of freezing, method for producing a dosing valve and motor vehicleAug 04, 14May 29, 18Emitec Gesellschaft Fuer Emissionstechnologie mbH
9518482 Internal combustion engineJun 02, 14Dec 13, 16R. DALE PELFREY TRUSTEE OF THE R. DALE PELFREY TRUST
9518506 Systems and methods for control of turbine-generator via valve deactivation in a split exhaust engine systemNov 10, 14Dec 13, 16FORD GLOBAL TECHNOLOGIES, LLC
9297332 Cylinder head with annular valve for internal-combustion engineMay 03, 12Mar 29, 16CZECH TECHNICAL UNIVERSITY IN PRAGUE, FACULTY OF ELECTRICAL ENGINEERING, KNOB ENGINES S.R.O.,
8677955 Single poppet valve cylinder head assembly for internal combustion engineDec 24, 10Mar 25, 14WESTROM ENGINEERING, LLC
7802552 Gas channeling cylinder head assemblyApr 27, 07Sep 28, 10TSR Technologies, L.L.C.
7311068 Poppet valve and engine using sameAug 21, 06Dec 25, 07Not available
7296545 Coaxial poppet valveAug 22, 05Nov 20, 07Not available
5782215 Intake/exhaust valveJun 13, 97Jul 21, 98Not available

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Recent Publications

Publication #TitleFiling DatePub DatePatent Owner
2020/0011,213 VALVE ARRANGEMENT AND VALVE GUIDESep 19, 19Jan 09, 20Not available

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Patents Issued To Date - By Filing Year

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