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Class 123/184.21 - INTAKE MANIFOLD


Subclass of Class 123 - Internal-combustion engines
Definition: Internal-combustion engine component including at least
No. of patents: 344
Last issue date: 05/22/2012


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NumberTitleIssue Date
8181620Modular intake manifold
Disclosed herein is an intake manifold assembly that comprises a first outer covering, a second outer covering connected to the first outer covering that together define a chamber having an intake port, and a flow channel insert. The second outer covering has an out...
05/22/2012
8176889Intake manifold for engine
An intake manifold for an engine includes a plurality of intake distribution pipes arranged in a side-by-side relation to one another; an intake inlet pipe provided in an end wall and arranged in a direction of the intake distribution pipes; a surge chamber provided...
05/15/2012
8127733Air intake system for internal combustion engine
An air intake system for internal combustion engine includes an intake manifold having an inlet flange and a throttle body attached to inlet flange. The throttle body includes a matching throttle body flange which physically mates with the intake flange. A friction ...
03/06/2012
8122864Intake manifold for multicylinder internal combustion engine
An intake manifold for a multicylinder internal combustion engine includes a number of inlet runners operatively connected with a mounting flange. A sealing region circumscribes only an outer periphery of the mounting flange and does not extend between adjacent ones...
02/28/2012
8096277Intake manifold for an internal combustion engine provided with metallic reinforcement brackets for fastening the fuel common rail
An intake manifold for an internal combustion engine comprising an engine head in which there are obtained a number of cylinders; the intake manifold comprises a central body, wherein there are obtained an intake chamber which receives the intake air and a number of...
01/17/2012
8091526Resin 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...
01/10/2012
8074616Engine air intake manifold having a shell
Apparatus includes a motor-vehicle, internal-combustion-engine air intake manifold having an intake-manifold first shell attachable or monolithically joined to an intake-manifold second shell to surround an internal manifold volume. The first shell has a wall with a...
12/13/2011
8061323Flow guide element for guiding the flow of a fluid medium
A flow guide element is provided for guiding a flow of a fluid medium which is particularly suitable for use in an intake tract of an internal combustion engine. The flow guide element includes a flow tube having an elbow for diverting the flow. In the region of the...
11/22/2011
7971564Premixed compression ignition type engine and method of controlling intake air thereof
An intake passage (10) communicating with a combustion chamber (3) comprises a first branch intake passage (16) having an intake port (4) at one end thereof and also having an intake manifold including a surge tank (13), a second b...
07/05/2011
7942125Intake and exhaust system of internal combustion engine
An exhaust system of the internal combustion engine is provided, which includes an exhaust manifold mounted in a multiple cylinder engine of the internal combustion engine and configured to expel air burned in the cylinder when an exhaust valve is opened, a pluralit...
05/17/2011
7909010Intake pipe of internal combustion engine
An intake pipe of an internal combustion engine includes a main flow passage allowing air introduced into the engine to flow therethrough, an upper branch flow passage branching off from the main flow passage and communicating with #2 cylinder, #4 cylinder, and #6 c...
03/22/2011
7895983Retention assembly for a hydrocarbon trap
A retention assembly secures a hydrocarbon trap within an air intake path of an internal combustion engine. The hydrocarbon trap is positioned within a first air tube, such as an outlet duct of a clean air filter. A second air tube, such as an inlet portion of a cle...
03/01/2011
7895984Intake device of internal combustion engine
An intake passage is formed by connecting upper and lower cases 10, 20 of an intake manifold. The lower case 10 has a recessed portion 50 on an inner surface 17a. The recessed portion 50 has a deep surface 53 to which...
03/01/2011
7832371Intake system and motorcycle including the same
A motorcycle includes an air inlet pipe, an airflow box, an air cleaner box, and a throttle body as an air passage arranged to allow outside air to be taken into the engine. The air inlet pipe is provided in a front portion of a main frame. The air inlet pipe is pro...
11/16/2010
7814876Intake airflow control mechanism for engine
An intake airflow control mechanism for an engine includes a first valve shaft on which valve elements of intake airflow control valves are fitted in such a manner that the valve elements pivot in accordance with the rotation of the first valve shaft; a second valve...
10/19/2010
7753022Resin intake manifold
A resin intake manifold is provided with a surge tank, an independent intake passage connected to the surge tank, and a plurality of pieces formed in a predetermined shape and welded along a weld line. A funnel portion is formed in a portion connected from the surge...
07/13/2010
7743744Air intake device for vehicle internal combustion engine
An internal combustion engine for a vehicle comprises a pair of intake collectors (3A, 3B) and a communicating pipe (13) connecting the pair of intake collectors (3A, 3B). A negative pressure supply port (15) supplying intak...
06/29/2010
7690346Carburetor mounting structure
In a carburetor mounting structure, a stud bolt is implanted in a carburetor mounting portion, a screw hole is provided in the carburetor mounting portion, first and second mounting flanges include first bolt holes through which the stud bolt passes, and second bolt...
04/06/2010
7690345Engine intake manifold system
An intake manifold system for an international combustion engine includes an engine intake manifold having a valve; and an actuator connected to the valve to control valve opening. The actuator is connected to a pressurized coolant reservoir of the engine to allow t...
04/06/2010
7685985Air intake device for an internal combustion engine
An air intake device for an internal combustion engine formed of at least two plastic component parts assembled to form a combustion air flow channel. The plastic component parts have communicating weld surfaces lying radially outside the flow channel, along which t...
03/30/2010
7669571Calibrated air intake tract for internal combustion engines
A Calibrated Air Intake Tract for Internal Combustion Engine is disclosed. The intake includes a Mass Airflow Sensor section that defines an inner diameter that differs from the diameter of the overall intake air tract piping. The Mass Airflow Sensor length and diam...
03/02/2010
7634982Intake manifold
An improved in intake manifold for a carbureted, vee type of internal combustion engine is comprised of at least two members, a fuel-oxidizer flow member and an isolator member. The flow member is removably connected to the isolator member. The isolator member is co...
12/22/2009
7628132Air intake duct arrangement for an internal combustion engine
An air intake duct arrangement for an internal combustion engine in which a cylinder head is fixed on a body shell of a motor vehicle via a damping element. The cylinder head is closed by a set of timing gear cases, and the intake duct includes an intermediate porti...
12/08/2009
7621248Internal combustion engine
To secure enough of an amount of intake air and an increase in a flow rate in a balanced manner to improve a filling efficiency for increasing power in an internal combustion engine. A combustion chamber is formed between a cylinder block and a cylinder head opposit...
11/24/2009
7614378Flexible seal and molded rigid chamber
A connection between an expansion chamber outlet and a rubber cuff that accommodates an inlet portion of a throttle body exhibits a dovetail connection between an expansion chamber wall and the rubber cuff such that the expansion chamber has a dovetail recession whi...
11/10/2009
7588008Intake system of internal combustion engine
An intake system of an internal combustion engine includes an engine head, a resin made intake manifold mounted at the engine head and having intake passages, the resin made intake manifold forming a receiving portion on an inner wall of each intake passage at a dow...
09/15/2009
7588007Intake and exhaust system of internal combustion engine
The present invention provides an intake system for supplying intake air to a multiple cylinder internal combustion engine. The intake system includes an air intake having a suction pipe with a frame therein and a plurality of wings attached to the frame wherein the...
09/15/2009
7556007Method and apparatus for forming a septum for an engine intake manifold
In a method for forming an injection molded manifold, the portion of the mold that forms a septum is modified to provide a substantially thicker septum, preferably about 8.5 mm or greater. In the molding operation, one or more removable slides are inserted through t...
07/07/2009
7556008Internal combustion engine intake device
An internal combustion engine intake duct device is provided with an intake duct body and an air flow directing structure. The intake duct body has an inlet, a left outlet and a right outlet with an intake air passage formed in the intake duct body for supplying int...
07/07/2009
7556009Air intake manifold for coupling the output of a compressor to the air intake of an internal combustion engine
An elongated air intake manifold, for coupling a compressor outlet to the air intake of an internal combustion engine, includes bottom, top and side walls progressing from a circular upstream end through a sweeping curved central section to a 90° bend section termi...
07/07/2009
7493881Dual-sided air intake assembly with crossover
The present invention provides an air intake assembly including a first portion defining a first chamber through which airflow passes. The first portion is coupled to a first throttle member to allow communication from the first chamber to the first throttle member....
02/24/2009
7475664Adhesively bonded engine intake manifold assembly
An engine intake manifold assembly (10), including a first component (12) having a first mating surface (14) and a second molded plastic component (16) having a second mating surface (18). The second molded plastic component (16...
01/13/2009
7441551Intake manifold
An intake manifold is disclosed. The intake manifold includes a first chamber in fluid communication with a PCV line and disposed generally upstream of a second chamber. The chambers are designed to provide a long flow path for the moisture laden PCV gas and to help...
10/28/2008
7424878Intake port for 4-cycle engine
An intake port for a 4-cycle engine includes an intake port base integrally formed with a cylinder head, and an intake port forming member that forms an intake port together with the intake port base. The area of the cross section of the intake port orthogonal to a ...
09/16/2008
7407338Taper-lock laser weld for an air induction component
A transparent component portion includes a first weld surface and a first taper locking surface formed opposite from the first weld surface. An absorbing component portion includes a second weld surface and a second taper locking surface formed opposite from the sec...
08/05/2008
7392778Internal combustion engine intake device
An internal combustion engine intake device is provided for an internal combustion engine such that intake device that can reduce the vibration of the throttle chamber of an internal combustion engine. The intake device has an intake air collector, a vacuum tank and...
07/01/2008
7392784Air intake device of internal combustion engine
An air intake device of an internal combustion engine which is capable of enhancing the air intake efficiency and reducing the size is provided. The internal combustion engine includes a cylinder head, an intake manifold provided at a longitudinal side surface of th...
07/01/2008
7392779Engine equipped with air-intake device for personal watercraft and personal watercraft
An engine equipped with an air-intake device for a personal watercraft, includes a cylinder head cover attached to an upper surface of a cylinder head, a plug cap with ignition coil configured to protrude upward from an upper surface of the cylinder head cover; and ...
07/01/2008
7383814Multicylinder engine intake system
A multicylinder engine intake system includes: first and second throttle bodies; bypasses provided in the first and second throttle bodies and having downstream ends opened to intake paths on downstream sides of throttle valves; and a common bypass control valve whi...
06/10/2008
7373956Passageway having non-linear flow path
A tube for directing fluid along a path that includes a bend. The tube comprising a conduit having a first aperture, a second aperture, and a bend portion adjacent the second aperture. An outer bend surface is integrally formed as part of the conduit to at least par...
05/20/2008
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