by using adjustable or movable elements

Patents Grantslast 30 patents

Patents Applicationslast 30 patents

  • Information Patent Application

    DETECTION AND CONTROL OF INTAKE SYSTEM NOISE DURING LOW PRESSURE EX...

    • Publication number 20210172403
    • Publication date Jun 10, 2021
    • Kyle O Klanow
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Application

    ENGINE AIR CLEANER WITH INTEGRATED COMPRESSOR SUPPRESSOR

    • Publication number 20210054811
    • Publication date Feb 25, 2021
    • Donaldson Company, Inc.
    • Stephen A. STONE
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Application

    VACUUM ACTUATED MULTI-FREQUENCY QUARTER-WAVE RESONATOR FOR AN INTER...

    • Publication number 20190120187
    • Publication date Apr 25, 2019
    • FORD GLOBAL TECHNOLOGIES, L.L.C.
    • Jose ARTEAGA
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Application

    VACUUM ACTUATED MULTI-FREQUENCY QUARTER-WAVE RESONATOR FOR AN INTER...

    • Publication number 20180135573
    • Publication date May 17, 2018
    • FORD GLOBAL TECHNOLOGIES, L.L.C.
    • Jose ARTEAGA
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Application

    VARIABLE AIR INTAKE APPARATUS REDUCING NOISE

    • Publication number 20180100472
    • Publication date Apr 12, 2018
    • Hyundai Motor Company
    • Doo-Seok Jung
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Application

    INTAKE NOISE REDUCTION DEVICE

    • Publication number 20170356407
    • Publication date Dec 14, 2017
    • NOK Corporation
    • Yohei MIKI
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Application

    VARIABLE INTAKE SYSTEM

    • Publication number 20160377037
    • Publication date Dec 29, 2016
    • Hyundai Motor Company
    • Sang Kyu KANG
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Application

    MULTI-FREQUENCY QUARTER-WAVE RESONATOR FOR AN INTERNAL COMBUSTION E...

    • Publication number 20160281660
    • Publication date Sep 29, 2016
    • FORD GLOBAL TECHNOLOGIES, L.L.C.
    • Jose ARTEAGA
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Application

    AIR CLEANER FOR VEHICLES

    • Publication number 20150052859
    • Publication date Feb 26, 2015
    • Hyundai Motor Company
    • Cheong Yong CHO
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Application

    TORQUE INCREASE RESONATOR

    • Publication number 20140338628
    • Publication date Nov 20, 2014
    • AISIN SEIKI KABUSHIKI KAISHA
    • Atsushi ITO
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Application

    VARIABLE INTAKE SYSTEM FOR VEHICLE, AND APPARATUS AND METHOD FOR CO...

    • Publication number 20140331967
    • Publication date Nov 13, 2014
    • Hyundai Motor Company
    • Sang Il LEE
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Application

    ACTIVE CONTROL SOUND GENERATOR

    • Publication number 20140165950
    • Publication date Jun 19, 2014
    • Kia Motors Corporation
    • Yoon Keun CHO
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Application

    Variable Frequency Helmholtz Resonator

    • Publication number 20140060961
    • Publication date Mar 6, 2014
    • MANN+HUMMEL FILTER (SHANGHAI) CO. LTD.
    • Quiang Chen
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Application

    MULTI-MODE AIR INDUCTION TUNING DUCT

    • Publication number 20130263810
    • Publication date Oct 10, 2013
    • GM GLOBAL TECHNOLOGY OPERATIONS LLC
    • ERIC R. TUCKER
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Application

    MAPPED SOUND GENERATOR

    • Publication number 20130199487
    • Publication date Aug 8, 2013
    • MCLAREN AUTOMOTIVE LIMITED
    • Benjamin Bernard
    • G10 - MUSICAL INSTRUMENTS ACOUSTICS
  • Information Patent Application

    INTAKE APPARATUS FOR INTERNAL COMBUSTION ENGINE

    • Publication number 20130152895
    • Publication date Jun 20, 2013
    • MAHLE FILTER SYSTEM JAPAN CORPORATION
    • Yuji YASUDA
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Application

    VARIABLE INTAKE SYSTEM FOR VEHICLE, AND APPARATUS AND METHOD FOR CO...

    • Publication number 20130139787
    • Publication date Jun 6, 2013
    • Kia Motors Corporation
    • Sang Il LEE
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Application

    PULSATION ABSORPTION SYSTEM FOR AN ENGINE

    • Publication number 20130111901
    • Publication date May 9, 2013
    • FORD GLOBAL TECHNOLOGIES, L.L.C.
    • Thomas G. Leone
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Application

    ANTI-NOISE DEVICE FOR THE AIR INTAKE CONDUIT OF A SUPERCHARGED INTE...

    • Publication number 20110214936
    • Publication date Sep 8, 2011
    • Mann + Hummel GmbH
    • Vincent Raimbault
    • Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
  • Information Patent Application

    ENGINE ASSEMBLY HAVING VARIABLE INTAKE AIR TUNING DEVICE AND TUNING...

    • Publication number 20100224159
    • Publication date Sep 9, 2010
    • GM GLOBAL TECHONOLGY OPERATIONS, INC.
    • GREGORY P. PRIOR
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    NOISE REDUCTION SYSTEM

    • Publication number 20100193283
    • Publication date Aug 5, 2010
    • GM Global Technology Operations, Inc.
    • Nuno Artur Vaz
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    CLEAN AIR DUCT NOISE SILENCING

    • Publication number 20100170464
    • Publication date Jul 8, 2010
    • DENSO International America, Inc.
    • Robert Cardno
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Application

    INLET MECHANISM FOR AN AIR INDUCTION SYSTEM

    • Publication number 20100139604
    • Publication date Jun 10, 2010
    • Reza Abdolhosseini
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Application

    INTAKE AIR SOUND GENERATION DEVICE

    • Publication number 20090236171
    • Publication date Sep 24, 2009
    • NISSAN MOTOR CO., LTD.
    • Shigehiro YOKOYA
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Application

    INTAKE AIR NOISE ADJUSTER

    • Publication number 20090025672
    • Publication date Jan 29, 2009
    • NISSAN MOTOR CO., LTD.
    • Takayuki AKIMOTO
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Application

    AIR INDUCTION SYSTEM WITH RESONATOR BYPASS VALVE

    • Publication number 20090007876
    • Publication date Jan 8, 2009
    • Anthony Charles Arruda
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Application

    ADJUSTABLE HELMHOLTZ RESONATOR

    • Publication number 20080173271
    • Publication date Jul 24, 2008
    • GM Global Technology Operations, Inc.
    • Gregory P. Prior
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Application

    Continuously variable tuned resonator

    • Publication number 20080066999
    • Publication date Mar 20, 2008
    • John David Kostun
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Application

    Air-intake device for internal combustion engine having noise reduc...

    • Publication number 20080017156
    • Publication date Jan 24, 2008
    • DENSO CORPORATION
    • Naohito Seko
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Application

    Vehicle intake sound introducing apparatus

    • Publication number 20070295553
    • Publication date Dec 27, 2007
    • Daisuke Ochi
    • G10 - MUSICAL INSTRUMENTS ACOUSTICS