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Class 123/184.57 - Resonator chamber


Subclass of Class 123 - Internal-combustion engines
Definition: Intake manifold including an enclosed portion that is tuned
No. of patents: 173
Last issue date: 12/27/2011


1          
NumberTitleIssue Date
8082898Resonator
A resonator is provided with a neck portion and a resonator main body. The resonator main body includes a main volume chamber communicated with an air intake duct of an internal combustion engine for a vehicle via the neck portion, and at least one sub-volume chambe...
12/27/2011
8001945Resonator for an intake system of a motor vehicle
A resonator for an air intake system of a motor vehicle has a housing and at least one resonator chamber enclosed by the housing. At least one air intake opening for fresh air is provided in the housing and opens into the resonator chamber. At least one air exhaust ...
08/23/2011
7950363Air inlet system for internal combustion engine
An air inlet system for an internal combustion engine includes an air inlet duct for drawing charge air into a charge air processor, and an intake manifold system leading from the charge air processor to the power cylinders of the engine. A resonator which suppresse...
05/31/2011
7793633Switching resonance intake system for an internal combustion engine
A switching resonance intake system is provided an internal combustion engine with a first and a second cylinder bank. The cylinder banks are each coordinated with a resonance container with a group of swing pipes leading to the cylinders, and the resonance containe...
09/14/2010
7614380Intake device for a motorcycle
To provide an intake system of a motorcycle, which is capable of attenuating intake noise efficiently, and facilitating arrangement of resonators. An air cleaner includes an air cleaner case having an element and an expansion chamber with an intake passage connected...
11/10/2009
7562646Air-intake device for internal combustion engine having noise reduction mechanism
An air-intake device having a noise reduction mechanism includes a surge tank connected to an intake manifold for introducing intake air into an internal combustion engine, an air duct connected to an upstream end of the surge tank and a resonator connected to the s...
07/21/2009
7556010Multicylinder internal combustion engine with resonator
A multicylinder internal combustion engine E has a cylinder head 2; a cylinder head cover 3; an intake manifold 20 having a header body 21 disposed right above an engine body and intake runners 22; and a resonator 50. Each o...
07/07/2009
7530341Intake system
An intake system for an internal combustion engine has an intake conduit of thermoplastic material provided with an intake socket having an annular collar. At least one acoustic element is concentrically connected to the intake socket of the intake conduit, wherein ...
05/12/2009
7497196Intake assembly having Helmholtz resonators
An intake assembly operable to communicate intake air to an internal combustion engine is provided. The intake assembly includes an inlet adapter defining a flow conduit through which the intake air may pass and an intake manifold. The inlet adapter is removably mou...
03/03/2009
7487755Air-intake device for internal combustion engine
For a V-type engine which has an independent air-intake system for each one of banks, a vibration plate unit is disposed in the interior of a resonance conduit for obtaining the beneficial effects of resonant supercharging. In this vibration plate unit, a plate memb...
02/10/2009
7484491Air induction system with resonator bypass valve
An air induction system for a vehicle is disclosed, wherein the air induction system includes a resonator bypass valve for control of an air flow to an engine and engine induction noise levels emitted therefrom. ...
02/03/2009
7451733Air duct orifice for reducing low frequency noise
An air duct orifice includes an adapter pipe inserted in and attached to an end portion of an air duct connected to an engine side; an orifice pipe protruding from an outer surface of the adapter pipe; and an orifice cover coupled to an upper opening formed on the o...
11/18/2008
7448353Intake device of internal combustion engine
A resonator 13 is provided including a resonating body 13 which is vibrated by intake air pulsation in an intake system 5, a volume chamber 14 connected through the resonating body 13 to the intake system 5, and a neck secti...
11/11/2008
7441527Air suction device
An air suction device is provided with an air suction system having at least one capacity-enlarged portion, a compression pump compressing air in synchronization with operation of an engine, a compression air control unit, and a vibration plate which is vibration-ex...
10/28/2008
7424880Intake system of engine
The present invention provides an intake system of an engine, having the engine mounted on a vehicle, which has a crankshaft oriented in a widthwise direction of the vehicle, and an intake box having an inner space divided by a partition wall into an air cleaner cha...
09/16/2008
7415957Vehicular intake system
A vehicular air intake system including a resonator for eliminate the possibility of dust and water droplets collecting in the resonator. An end portion of an air intake duct is branched into a resonator and an air intake section. In the air intake section, a chambe...
08/26/2008
7412960Engine
An engine can include an air cleaner in communication with intake ports of the engine, and a wind introduction duct for introducing a wind into a primary chamber of the air cleaner. The wind introduction duct can include a resonator for absorbing predetermined frequ...
08/19/2008
7383810Air induction system having an integrated resonator
An air induction system for carrying air to the intake of an internal combustion engine includes an air cleaner housing including a surface at least partially enclosing a first chamber or cover located in the air cleaner housing, an inlet through which air enters th...
06/10/2008
7367424Eccentric exhaust muffler for use with auxiliary power units
A muffler system is provided for use with an auxiliary power unit. In one embodiment, and by way of example only, the system includes an outer can, an annular baffle, and a tube. The outer can has a sidewall including a forward end, an aft end, and a cavity extendin...
05/06/2008
7364012Dual-neck plane wave resonator
A resonator and method of designing a resonator including a cavity having an effective length that exceeds λ/8 such that a standing wave having an anti-node will form in the cavity. First and second necks each having first ends are attached to and in fluid communic...
04/29/2008
7357110Resin intake manifold
A raised portion is formed at a predetermined location on an inside surface of a wall portion of an intake manifold. A gas introduction hole for introducing gas containing water vapor is formed in another predetermined location, other than in the raised portion, in ...
04/15/2008
7353791Sound increase apparatus
A sound increase apparatus includes a first hollow body member that communicates with an intake flow path of an internal combustion engine, a second hollow body member that communicates with the first hollow body member, and a vibration member capable of vibrating i...
04/08/2008
7350496Intake muffler
A resonator is connected with an intake air pipe and forms a resonant chamber therein. The resonator includes a diaphragm, which is generally planar and is disposed between an air passage of the intake air pipe and the resonant chamber. The diaphragm forms multiple ...
04/01/2008
7337877Variable geometry resonator for acoustic control
The present invention provides a resonator for attenuating acoustic vibration from an air intake passage. The resonator includes a neck, a resonator chamber, a piston-type member, and an actuator. The neck is attached between the air passage and the resonator chambe...
03/04/2008
7334663Variable resonator
A communicating pipe is disposed on an outer periphery of an air intake pipe, and a conduit is formed so as to be parallel to an air intake passage. A plurality of first communicating apertures are disposed through the air intake pipe so as to be arranged in a singl...
02/26/2008
7293454Anti-aliasing acoustic filter in the presence of pulsating flow
An exhaust flow measurement system uses a noise attenuation device to cancel exhaust gas pulsations at the harmonic frequency of a flow rate measurement transducer. ...
11/13/2007
7270102Resin intake manifold
A resin intake manifold is provided with two separated bodies manufactured by connecting protrusions of weld portions of the separated bodies to each other in accordance with a vibration welding, and a cover wall in which one of the weld portions is arranged in an i...
09/18/2007
7263962Intake system of engine
The purpose of the intake system, which is disposed in a limited space above the engine, is to improve engine performance by preventing increase in both temperature and resistance of intake air, and also to reduce noise of the intake air. In the intake system, a rea...
09/04/2007
7255197Muffler
A muffler which reduces noises of a wide frequency band with a simple structure. Sound waves of an intake duct enter into and are received in a resonance box via a branch pipe. At the branch pipe, a movable body slidingly abuts a peripheral portion of an opening of ...
08/14/2007
7249652Fluid guideline, especially in the form of a tube for taking up untreated air in an air filter of a motor vehicle
A fluid guideline with at least two structural elements made of substantially soundproof material has at least one opening for sound damping. An impedance change (in particular in the form of an impedance discontinuity) of the flow resistance of the fluid flowing th...
07/31/2007
7249582Intake apparatus
The present invention provides an intake apparatus which ensures the collision safety by having sufficient clearance margin to the engine hood by utilizing the space around the intake manifold which is not conventionally utilized, while achieving cost reduction by r...
07/31/2007
7246593Intake module assembly
An intake module assembly for a vehicle engine is formed from a two-piece shell structure. First and second shells are aligned and joined together to form the entire air path from an air filter to an engine cylinder head. A throttle hose portion is formed as part of...
07/24/2007
7240769Exhaust volume
An exhaust volume (20) of the type including a muffler (24) having a casing provided with an inlet (29) and an outlet (30) for passing gases and adapted to enable the muffler to be mounted in an exhaust system (14). The volume furt...
07/10/2007
7228835Outboard motor
An outboard motor has an air intake manifold with a plurality of intake runners and a surge tank. The runners extend from combustion chambers of an internal combustion engine to the surge tank. The air intake manifold is positioned next to one side of the internal c...
06/12/2007
7225780Modular resonator
A modular air induction system for a vehicle is provided. The air induction system includes a housing, a partition, and a plurality of holding members. The housing defines a chamber and includes an opening in fluid communication with the chamber. A partition is loca...
06/05/2007
7225779Intake system including a resonance chamber
In an intake system for an engine incorporated with a resonance chamber (32), a variable communication unit (50) for controlling the communication between an intake passage with the resonance chamber comprises an outer tube (51) having an open a...
06/05/2007
7198017Intake noise suppressor
An intake manifold 10 in the air intake tract of an internal combustion engine which has a main flow cross section 14 between an oncoming flow side 12 and an outgoing flow side 13. At least one resonator chamber 23 is arranged on t...
04/03/2007
7188703Device for establishing noise in a motor vehicle
In a device for establishing noise in a motor vehicle, including a housing having an inlet space, which is in communication via an inlet line with a gas-carrying part of an internal combustion engine arranged in the motor vehicle, and an outlet space, which is acous...
03/13/2007
7174872Air intake apparatus
An air intake apparatus has an air intake port opening outside, and an air intake path communicating the air intake port with a combustion chamber of an engine. For suppressing noise getting out from the air intake port, with respect to walls partitioning the air in...
02/13/2007
7171954Fuel vapor adsorbing devices
A fuel vapor adsorbing device (10, 60, 70, 70′, 80) for adsorbing residual fuel vapors that remain in an intake conduit (1, 2, 3, 4) of an induction system of an internal combustion engine when the internal combustion engine is stopped may include an...
02/06/2007
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