Victor Company of Japan, Limited

Nissan Motor Company Limited

Toshiba Tec Kabushiki Kaisha

Kabushiki Kaisha Toshiba

Tokyo Electric Co.

Other

Hitachi Automotive Systems, Ltd.

Sony Corporation

Harmonic Drive Systems Inc.

Kabushiki Kaisha Tec

Jvc Victor Company of Japan, Ltd.

Victor Entertainment, Inc.

Seiki Corporation

Wictor Company of Japan, Ltd.

Nippon Hoso' Kyokai

Yoshiaki Tanaka

Shoji Ueno

Norihiko Fuchigami

Ryosuke Hiyoshi

Mamoru Inami

Shinichi Takemura

Yusuke Takagi

Shinya Nakamura

Zenju Otsuki

Zenju Ohtsuki

Shunichi Aoyama

Yoshihiko Yamada

Katsuya Moteki

Katsutoshi Nakamura

Kenshi Ushijima

Junichiro Onigata

Kishiro Nagai

Kozo Hara

Isao Oowaki

Yoshihide Kiyosawa

Takuma Suzuki

Makoto Kobayashi

Jun Handa

Tsuyoshi Sanada

Mitsuo Matsumoto

Kiyotaka Nihashi

Masahiro Nakayama

Takahiro Kawaguchi

Yoshiaki Suzuki

Masanori Nakamura

Toru Suzuki

Hiroaki Kikuchi

Shinichi Morishima

Hiroshi Hayashi

Mitsutoshi Shinkai

Kensaku Takata

Toshio Kuroiwa

Takanobu Sugiyama

Terunori Kondou

Tsuneyasu Nohara

Masatsugu Kitamura

Tsuyoshi Ono

Osamu Kobayashi

Tetsuo Kani

Jin Yokoyama

Hideaki Mizuno

Tomohiro Mouri

Tohru Kashiwagi

Takashi Norigoe

Katsuhiro Shibata

Teruyuki Ochiai

Yasuhisa Okabe

Kuniharu Takizawa

Tomokiyo Kato

Morihiko Katsuda

Ryousuke Hiyoshi

Tadao Fujisawa

Yoshihiro Hamamichi

Hideo Fujikake

Yoshimi Nunome

Tomoaki Ogata

Yoshihito Ueda

Hiroshi Tachikawa

Masayoshi Koyanagi

Tomohiro Mori

Akio Hasegawa

Masaaki Yoshida

Takamichi Kasahara

Norihiko c/o Victor Company Of Japan Ltd Fuchigami

The control shaft () of a variable compression ratio mechanism is coordinated with the auxiliary shaft () of an actuator device () through an intermediate link (). The housing () of the actuator device () has on the lower surface thereof an oil filter mounting seat section (), and a stopper section () is formed integrally with the oil filter mounting seat section (). A second arm () of the auxiliary shaft () comes in contact with the stopper section () to define the limit of the compression ratio on the low compression ratio side. The stopper section () has high rigidity because the oil filter mounting seat section () having high rigidity and the stopper section () are integrated together.

Actuator device for variable compression ratio internal combustion engine

A variable compression ratio mechanism for an internal combustion engine includes a gear reducer that varies an engine compression ratio. The gear reducer includes an input-side member connected to a rotation shaft of an actuator; an output-side member that transmits a reduced rotation of the actuator to the control shaft; a fixed member fixed to a housing of the actuator; and an intermediate member that transmits torque from the input-side member to the output-side member and the fixed member, and has a first gear portion engaged with the fixed member and a second gear portion engaged with the output-side member. A ratio of a number of teeth of the fixed gear portion to a number of teeth of the first gear portion is lower than a ratio of a number of teeth of the output-side gear portion to a number of teeth of the second gear portion.

Variable compression ratio mechanism for internal combustion engine

A variable compression ratio mechanism for an internal combustion engine includes a gear reducer that varies an engine compression ratio. The gear reducer includes an input-side member connected to a rotation shaft of the actuator; an output-side member that transmits a reduced rotation of the actuator to the control shaft; a fixed member fixed to a housing of the actuator; and an intermediate member that transmits torque from the input-side member to the output-side member and the fixed member, and has a first gear portion engaged with the fixed member and a second gear portion engaged with the output-side member. A ratio of a number of teeth of the fixed gear portion to a number of teeth of the first gear portion is higher than a ratio of a number of teeth of the output-side gear portion to a number of teeth of the second gear portion.

An internal combustion engine includes: a variable compression ratio mechanism arranged to vary an engine compression ratio in accordance with a rotation position of a control shaft; an actuator arranged to vary the rotation position of the control shaft; an arm portion extending from the control shaft in a radially outward direction; a lever arranged to link the actuator and the arm portion; a link pin which penetrates the lever and the arm portion, and which rotatably links the lever and the arm portion; and a wall portion which confronts an end surface of the link pin irrespective of the rotation position of the control shaft, and which retains the link pin to the lever or the arm portion.

Internal combustion engine

An actuator mounting structure of a variable compression ratio internal combustion engine includes: a variable compression ratio mechanism arranged to vary an engine compression ratio in accordance with a rotational position of a control shaft; an actuator arranged to drivingly rotate the control shaft, the actuator being fixed on an actuator mounting portion provided to a side wall of a main body of the engine by using a plurality of fixing bolts, and a rigidity improvement section arranged to improve a mounting rigidity of the actuator to the actuator mounting portion, and which is provided within an inter-bolt distance between two bolts of the plurality of the fixing bolts, which are located on the both sides in a direction of a crank shaft.

Actuator mounting structure for internal-combustion engine having variable compression ratio

A variable compression ratio internal combustion engine includes a control shaft rotatably supported by an engine body, a variable compression ratio mechanism, an actuator for driving the control shaft, and a speed reducing mechanism for reducing a rotational power of the actuator and for transmitting the speed-reduced power to the control shaft, and structured to have a rotation shaft rotatably supported in a housing fixed to the engine body and a lever that connects the rotation shaft and the control shaft. Located in the engine body is a first regulation part for mechanically regulating the control shaft to a position of maximum rotation on a high compression ratio side. Also located in the housing is a second regulation part for mechanically regulating the rotation shaft to a position of maximum rotation on a low compression ratio side.

Variable compression ratio internal combustion engine

There are provided a variable compression-ratio mechanism () capable of varying an engine compression ratio in accordance with a rotational position of a control shaft (); a speed reducer () configured to reduce in speed a rotational power of an actuator and transmit the speed-reduced rotational power to the control shaft (); and a speed-reducer accommodating case () accommodating the speed reducer (). An input shaft of the speed reducer () which is connected to the actuator has a shaft center line extending along a horizontal direction, and at least a part of the input shaft is kept under a lubricating oil retained in the speed-reducer accommodating case (). The input shaft of the speed reducer () is swung by a predetermined swing angle to avoid inadequate lubrication of the input shaft of the speed reducer (), during an operating state where the engine compression ratio is maintained constant.

Control device and control method for variable compression ratio internal combustion engines

It is an object to increase the reliability and durability by minimizing mixing/entry of foreign matter (contaminants) into a speed reducer. The speed reducer is provided for reducing rotation of an actuator of a variable compression ratio mechanism and for transmitting the reduced rotation to a control shaft of the variable compression ratio mechanism. The actuator and the speed reducer are attached to a sidewall of an engine main body with a housing therebetween. An oil filter, which removes contaminants from within lubricating oil, is attached to the housing with an oil-passage-forming body therebetween. A portion of the lubricating oil supplied from the oil filter immediately after having been filter-purified is supplied via a bypass oil passage, formed in the oil-passage-forming body and the housing, into a speed-reducer accommodation chamber of the housing.

A holding module includes a photoreceptor configured to hold an electrostatic latent image on a surface thereof, a charging electrode that extends in a width direction of the photoreceptor and is configured to charge the surface of the photoreceptor, the charging electrode including a base portion and a discharging portion disposed between the base portion and the photoreceptor and from which electricity is discharged towards the photoreceptor, and a holding unit that holds the charging electrode and deforms the charging electrode, such that a distance between the discharging portion and the surface of the photoreceptor is different along the width direction of the photoreceptor.

Image forming apparatus with holding unit for charging electrode

A multi-link internal combustion engine generally includes a cylinder block, an oil pan mounted to the undersurface of the cylinder block to define a crank chamber, the oil pan being formed with a shallow bottom portion and a deep bottom portion for storing oil. The multi-link internal combustion engine further includes a multi-link, piston-crank mechanism disposed in the crank chamber, a pivotal link member of the piston-crank mechanism pivotal about a pivotal fulcrum located on the side of oil pan; and an oil guide wall provided on the shallow bottom portion in the crank chamber for guiding the oil displaced due to the movement of the pivotal link member to the side of deep bottom portion.

Multi-link internal combustion engine

According to one embodiment, a toner cartridge includes a toner container to be attached to and detached from an image forming apparatus body, a shutter to open and close a toner supply port of the toner container, and a key that indicates a type of the toner cartridge and allows the shutter to slide if the key coincides with a release part of the image forming apparatus body.

Image forming apparatus to discriminate toner cartridge

According to one embodiment, a process unit includes a process section present around an image bearing member, attached and detached to and from a body, including a rotating section, and configured to apply an image forming process to the image bearing member, a moving section present on a shaft of the rotating section and configured to slide to a first position close to the rotating section and a second position away from the rotating section, and a positioning section present between the rotating section and the moving section and configured to move following the rotating section and hold the moving section in the first position and the second position.

Image forming apparatus that detects timing for maintenance

A charger according to an embodiment includes: a discharge member which faces an image carrier; a case which supports the discharge member and comprises an air hole in a first surface; a cleaner which contacts with the discharge member; and a cleaner support member which comprises an inlet port and an outlet port connecting with the air hole and a ventilation unit, supports the cleaner, and slides in relation to the case on the first surface.

Image forming apparatus discharging ozone from charger

A variable compression ratio internal combustion engine basically has a main engine body and a variable compression ratio mechanism. A housing is attached to an outside wall of the main engine body to support an actuator. The variable compression ratio mechanism varies an engine compression ratio according to a rotational position of a first control shaft by the actuator. A second control shaft links the actuator to the first control shaft. A bearing includes a pair of split bearing bodies that rotatably holds and supports the second control shaft on the housing. The split bearing body that is farther from the main engine body has higher in rigidity than the housing. The bearing is fixed to the side wall of the main engine body by fixing bolts that pass through both of the split bearing bodies and thread into the side wall of the main engine body.

A toner cartridge has first and second toner housing portions configured to house toner. The first toner housing portion has a first bottom part that is arcuately curved. The second toner housing portion has a second bottom part that is arcuately curved. The second bottom part is next to the first bottom part and is situated at a position lower than the first bottom part. A third bottom part is provided between the first bottom part and the second bottom part. The third bottom part has a toner discharge port.

Toner cartridge and image forming apparatus having toner cartridge

Growing community of inventors

Fujisawa, Japan

Yoshiaki Tanaka