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JP6780371B2 |
An intake device includes: a rotary shaft; and a resin-made intake valve including a rotary shaft press-fit guide hole provided at an end portion in a rotary axis direction to guide the rotary shaft when the rotary shaft is press-fitted,...
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JP6751192B1 |
To reduce exhaust resistance of a heat engine and improve sound deadening performance and fuel efficiency. An exhaust promotion device (1) has a hollow exhaust cooling pipe (3AB) for cooling exhaust by outside air inside an exhaust reser...
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JP6734068B2 |
An internal combustion engine includes: an engine body (10) having at least one cylinder; and an air-supply manifold (4) including an adjustment pipe (12). The length of the adjustment pipe is set so that a first pressure wave (14A) prop...
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JP6732035B2 |
In an internal combustion engine which performs a homogeneous lean combustion mode and a stratified lean combustion mode, there is provided a new internal combustion engine control device capable of obtaining a stable combustion state by...
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JP6729057B2 |
An air intake device includes: an air intake valve provided so as to change intake air by rotation of a rotation shaft; an actuator which is a driving source for rotating and driving the rotation shaft of the air intake valve; a first li...
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JP6723088B2 |
To appropriately adjust the level of acceleration of an exhaust gas stream in accordance with the operating environment, exhaust level, etc. of an internal combustion engine. The present invention is characterized in comprising: a device...
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JP6693213B2 |
An intake device of an internal combustion engine, includes: a plurality of intake ports which have outer walls and partition walls and are adjacent to each other via the partition walls; a valve body which is provided in each of the int...
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JP6645250B2 |
To provide an intake device for an internal combustion engine, having improved durability to a pressure fluctuation in an intake port even when a bearing member is mounted therein.The intake device for the internal combustion engine incl...
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JP6646033B2 |
To provide a muffling device that can reduce noise sufficiently, save a space and suppress degradation in ventilation resistance of an intake passage.MEANS: A muffling device includes: a first resonant chamber with a predetermined volume...
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JP6623882B2 |
To provide an intake system capable of inhibiting reduction of an increase effect of engine torque even when a longer resonator resonance tube is used.An intake system 100 includes: a surge tank 10 for distributing intake air to each of ...
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JP2019203438A |
To efficiently discharge an exhaust gas.A muffler 1 includes: an inside pipe 2 having an opening part 25 in a lateral part and accelerating a flow velocity of an exhaust gas flowing out from an exhaust system pipe; and an outside pipe 3 ...
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JP2019525066A |
An internal combustion engine has a discharge port that is fluidly coupled to the surrounding fluid and includes a discharge conduit having an internal cross-sectional area and an engine cylinder that is fluidly coupled to the discharge ...
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JP6558156B2 |
An air intake device (100) includes: a valve body (32) which includes a rotating shaft (32c); a bearing member (50) which rotatably supports the rotating shaft of the valve body; and an air intake port (2a to 2d) which includes a concave...
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JP6561223B1 |
To reduce air pollution and save fuel against price increase due to an increase in fuel consumption of a vehicle. It rectifies eddy and eddy currents generated at the bottom of the vehicle body when the vehicle is running, and reduces ru...
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JP6554949B2 |
An air intake device includes: an air intake port; and a valve that includes an elastically deformable seal portion disposed in Ha side end portion, and switches between flow paths of the air intake port by being turned around a turning ...
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JP6551132B2 |
An exhaust control device for engine configures an exhaust system by joining exhaust pipes at a collecting pipe. The exhaust pipes are coupled to a plurality of respective cylinders. At least two types of exhaust valves are configured to...
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JP2019124146A |
To provide an exhaust pipe device and an exhaust method for increasing an exhaust inertia effect at a speed range from a low speed range to a high speed range and realizing to improve an output characteristic and a torque characteristic ...
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JP6531791B2 |
To provide a rotary piston engine capable of properly discharging soot or the like out of a rotor storage chamber.The rotary piston engine includes a rotor 3, a rotor storage chamber 2 to be partitioned into a plurality of operation cham...
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JP2019074051A |
To provide an exhaust gas suction flow power device to which appropriate parameters are set in such a manner that optimal achievement can be obtained as an exhaust gas suction flow power device that is connectable to various apparatuses ...
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JP2019070379A |
To provide an accelerator for exhaust gas flow capable of being appropriately mounted to various kinds of equipment including an internal combustion engine, and having flexibility or elasticity.An accelerator 10 is installed at a termina...
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JP2019070378A |
To provide an accelerator for exhaust gas flow capable of being appropriately mounted to various kinds of equipment including an internal combustion engine, and having flexibility or elasticity.An accelerator 10 is installed at a termina...
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JP6494483B2 |
To provide a variable intake device which, by making intake port members of intake passages for respective banks of a V-type internal combustion engine movable synchronously by drive of a common driving source, simplifies a drive mechani...
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JP6482831B2 |
A variable intake system may include an air duct that guides intake air into an engine and a variable valve having a variable opening degree, to adjust an amount of the intake air, wherein the air duct includes a first inlet and a second...
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JP2019027308A |
To positively discharge combustion gas remaining in a combustion chamber with a simple configuration.A cylinder 12 has a combustion chamber EXP. An intake pipe 14 is connected to the cylinder 12 and supplies air-fuel mixture to the combu...
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JP6471851B2 |
To provide an engine exhaust device which can suit with a real vehicle structure, improve volume efficiency, and increase torque.An engine exhaust device is equipped with: a first exhaust passage 11 which communicates with an exhaust por...
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JP6468453B2 |
To provide a multi-cylinder engine in which EGR (Exhaust Gas Recirculation ) gas can be properly introduced into each cylinder.A first exhaust port 13, a second exhaust port 14 which has opening time later than that of the first exhaust ...
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JP2019002356A |
To provide an intake system capable of stabilizing combustion in a cylinder at cold start.An intake system 1 includes: a small diameter resonance tube 32 for communicating a resonance chamber 31 and a surge tank 2; a large diameter reson...
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JP2018168712A |
To provide an intake duct which can change an intake path length by a simple constitution.An intake duct 1 comprises: a duct main body 2 for sucking an air from the outside of a vehicle to an engine side via a suction port 20 which is op...
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JP2018150813A |
To provide an intake control valve capable of maintaining sealability between a valve element and the inner wall face of an intake port.An intake control valve 13 includes a valve element 131, and an elastically deformable seal part 5 fo...
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JP6395118B2 |
To provide a control device of an engine capable of improving scavenging efficiency by synchronizing a timing of generation of a negative pressure of pressure wave and a timing of overlap of an intake valve and an exhaust valve, while mi...
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JP6389982B1 |
To directly retrofit or replace an existing facility regardless of whether it is an internal combustion engine or an external combustion engine, to save fuel against the problem of air pollution and price increase due to an increase in f...
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JP6361638B2 |
Provided is an exhaust device connected to an engine body. The exhaust device includes a plurality of independent exhaust pipes, each of which has a circular cross section, and which are connected to exhaust ports of cylinders of the eng...
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JP6354693B2 |
To stably hold a state that a movable part is displaced to an upstream side by an actuator while reducing a size of the actuator which displaces the movable part of a dynamic pressure exhaust system to upstream/downstream directions.An e...
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JP6344420B2 |
To provide an intake/exhaust system for a multiple cylinder engine that can improve intake efficiency by a simple configuration to improve engine torque and fuel consumption performance.In the intake/exhaust system for an internal combus...
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JP6337539B2 |
An intake control valve includes a valve body being made of resin, the valve body configured to be pivotally mounted to a surge tank of an internal combustion engine, the valve body pivoting between an open position and a closed position...
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JP6304161B2 |
To suppress generation of contact noise, galling, fastening and excessive abrasion on a connection part of a mechanism for displacing a movable portion of a dynamic exhaust system and the movable portion.An exhaust device of a multi-cyli...
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JP6283149B1 |
The present invention relates to the air intake module (7) of the open air system (5) for internal combustion engines (1). This air intake module (7) is provided with the control device (20) for controlling the housing (14) which has a f...
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JP6273768B2 |
This air intake control valve (2) includes a valve body (21) rotatably mounted on a surge tank (1) of an internal-combustion engine (10), rotated between an open position and a closed position to open and close a fluid passage (41) forme...
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JP6260859B2 |
To provide an inline four-cylinder engine capable of improving exhaust efficiency.In an inline four-cylinder engine having an exhaust port P having two exhaust valves per cylinder which are continuously ignited, between a first cylinder ...
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JP6255989B2 |
To provide an engine capable of detecting the air-fuel ratio of exhaust gas exhausted from a plurality of cylinders for each cylinder while suppressing pressure loss of exhaust gas.In an exhaust device of an engine that has four cylinder...
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JP6252026B2 |
An intake device (100) includes: a plurality of intake ports (2) which are adjacent to each other with a partition wall (11) interposed therebetween; a valve body (32) provided for each of the plurality of intake ports; a rotating shaft ...
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JP6245123B2 |
An exhaust device of a multi-cylinder engine which controls local introduction of exhaust gas to a catalyst device and a variation between cylinders of introduction positions of the exhaust gas to the catalyst device is provided. The exh...
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JP6235378B2 |
To provide a turbocharged internal combustion engine ensuring excellent engine efficiency by pulse turbocharging of a turbocharger while preventing the reverse flow of exhaust gas to cylinders even if exhaust valve open periods of a plur...
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JP2017201142A |
To provide a control device of an internal combustion engine which can suppress the deterioration of intake efficiency at impulse supercharging, in an internal combustion engine with an EGR device having an intake control valve in an int...
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JP6225883B2 |
To improve, in an engine with a turbocharger, supercharging efficiency of the turbocharger by effectively using blow-down energy.In two specific cylinders (front side cylinder 31a, rear side cylinder 31b) with exhaust strokes partially o...
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JP6222563B2 |
To provide an engine capable of detecting the air-fuel ratio of exhaust gas exhausted from a plurality of cylinders for each cylinder while suppressing pressure loss of exhaust gas.In an exhaust device of an engine having four cylinders ...
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JP6205968B2 |
An intake device (100) includes: an intake port (2); a valve body (5) which is disposed in the intake port and rotated around a rotating shaft (31) between an opening position and a closing position; and a seal surface (26) which is inte...
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JP6194918B2 |
To more reliably supply a proper amount of evaporated fuel into an intake passage.An exhaust system for an engine with a turbocharger includes a first exhaust passage 150 commonly connected to exhaust ports 110b, 120b of cylinders 31a, 3...
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JP6196407B1 |
[Subject] A problem of air pollution and saving of fuel to a price boost accompanying fuel consumption increase of a thermomotor or burning appliances. Promotion of exhaust air by exhaust air use of a thermomotor or burning appliances. [...
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JP6196405B1 |
[Subject] A problem of air pollution and saving of fuel to a price boost accompanying fuel consumption increase of a thermomotor or burning appliances. Promotion of exhaust air by exhaust air use of a thermomotor or burning appliances. [...
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