Kawasaki Jukogyo Kabushiki Kaisha

Kawasaki Motors, Ltd.

Kanzaki Kokyukoki Manufacturing Company, Ltd.

Ayumi Hamada

Seiji Itoo

Taisuke Morita

Shinichi Tanaka

Jun Takagi

Manabu Hidaka

Masahiko Nakagawa

Yuji Kouma

Michio Tsukamoto

Yasuhiro Kuji

Hidefumi Yasuhara

Hideaki Kii

Yasutaka Kobayashi

Shigeru Nishimura

Nobuyuki Nishiguchi

Keisei Shimazaki

A driving source assembly includes: a prime mover including a driving shaft; a continuously variable transmission including a CVT case; a first gear that is between the prime mover and the CVT case and rotates together with the driving shaft; a second gear that is meshable with the first gear; an energy converter including a rotating shaft that rotates in association with the second gear; and a plate which is fixed to the prime mover and to which the energy converter is fixed. The first gear is between the plate and the CVT case. The CVT case includes a recess that defines an auxiliary accommodating space accommodating the first gear. The seal is between the recess and the plate.

Driving source assembly

A power unit includes a prime mover and a belt continuously variable transmission. The belt continuously variable transmission includes a drive pulley, a driven pulley, a belt wound around the drive pulley and the driven pulley, and a housing forming an accommodation space in which the belt is disposed. The belt continuously variable transmission changes a speed of rotation produced by drive power output from the prime mover. The power unit further includes a temperature sensor configured to detect a temperature of the belt or a temperature corresponding to the temperature of the belt.

Power unit

[Technical problem] To provide a power transmission mechanism for a four-wheel drive vehicle in which a prime mover is disposed at a low position to lower the center of gravity of the vehicle while a driving path from a transmission to a front wheel differential mechanism is also shortened. [Solutions] In a power transmission mechanism for a four-wheel drive vehicle, the power of a prime mover is transmitted to a front wheel differential mechanism which is disposed in front of the prime mover, and to a rear wheel differential mechanism which is disposed behind a transmission, through the transmission which is disposed behind the prime mover. The transmission comprises a front and rear wheel drive shaft that extends along the longitudinal direction of the vehicle body. The transmission is arranged separately from the prime mover and a rear axle drive device. The rear end portion of the front and rear wheel drive shaft is connected to an input shaft of the rear wheel differential mechanism. The front end portion of the front and rear wheel drive shaft is connected to an input shaft of the front wheel differential mechanism via a front wheel power transmission shaft that extends along the longitudinal direction of the vehicle body and passes through the space beneath the prime mover. The front wheel differential mechanism, the prime mover, the transmission, and the rear wheel differential mechanism are arranged along the longitudinal direction of the vehicle body at the center of the vehicle width of the vehicle.

Power transmission device for a four-wheel drive vehicle

A drive switching mechanism of a utility vehicle includes: a two-wheel drive and four-wheel drive switching device that switches between two-wheel drive and four-wheel drive of the utility vehicle; and a control unit that controls the drive switching mechanism. The two-wheel drive and four-wheel drive switching device switches between two-wheel drive and four-wheel drive by using a first clutch. The control unit permits the two-wheel drive and four-wheel drive switching device to switch from two-wheel drive to four-wheel drive when a rotation difference of the first clutch becomes equal to or smaller than a predetermined value.

Drive switching mechanism of utility vehicle

A side-by-side vehicle comprises a vehicle body frame including a cabin frame part surrounding a riding space in which seats for a driver and a passenger are provided; an engine which is mounted on the vehicle body frame and generates driving power for allowing the side-by-side vehicle to travel; an air-intake unit including in an inside thereof, an air-intake passage through which intake-air flows to the engine, and an air inlet through which the intake-air is introduced into the air-intake passage; and a cargo carrier having a loading space with a depressed shape in a state in which the cargo carrier is supported by the vehicle body frame, and the air-intake unit is disposed so that the air inlet is directed downward and faces a surface of the cargo carrier.

Side-by-side vehicle having air-intake unit facing cargo carrier

A shift switching mechanism of a utility vehicle includes: an input gear connected to an input shaft to which a driving force of an engine is input; a shifter that is connected to a counter shaft transmitting a driving force of the input shaft, and enables engagement between the input gear and a gear connected to the counter shaft; and a control unit that controls the shift switching mechanism. At reception of a shift command, the control unit calculates a rotation difference between the input gear and the shifter, and controls output of the engine to reduce the rotation difference.

Shift switching mechanism of utility vehicle

A side-by-side vehicle includes a vehicle body frame including a cabin frame part surrounding a riding space; a driving power unit which is supported by the vehicle body frame and generates driving power for allowing the vehicle to travel; a continuously variable transmission (CVT) to which the driving power is transmitted from the driving power unit, in a state in which the CVT is supported by the vehicle body frame; an air-intake unit including in an inside thereof, an air-intake passage through which intake-air flows to the CVT, and an air inlet through which the intake-air is introduced into the air-intake passage; and a cargo carrier having a depressed loading space in a state in which the cargo carrier is supported by the vehicle body frame, wherein the air inlet of the air-intake unit is directed downward and faces a surface of the cargo carrier.

Side-by-side vehicle

A cooling fan for use in a utility vehicle, wherein the cooling fan is equipped with a fan cover for covering the upper half portion of the cooling fan and is accommodated inside an engine room that is configured so as to take in the outside air from the lower side and to be accessible from the upper side, and the fan cover is fixed to an engine case.

Cooling fan

A V-belt type continuously variable transmission of an air-cooled type mounted on a vehicle. The V-belt type continuously variable transmission includes an intake port for taking air into the V-belt type continuously variable transmission, and an exhaust port for exhausting air from the V-belt type continuously variable transmission. The V-belt type continuously variable transmission further includes at least one of an electric intake fan connected to the intake port directly or via an intake duct, and an electric exhaust fan connected to the exhaust port directly or via an exhaust duct.

V-belt type continuously variable transmission

A lubricating apparatus of the present invention is applied to a transmission having a plurality of rotating shafts, and includes a first rotating shaft having a first oil passage, a second rotating shaft, and an impeller fixed to an axial end of the first rotating shaft. The impeller is arranged in a first oil storage chamber communicated with an outlet of the first oil passage. The impeller rotates with the first rotating shaft to scatter oil, and supplies the oil to the second rotating shaft.

Lubricating apparatus for rotating shaft

A vehicle-use transmission includes a transmission case accommodating a transmission mechanism; and a power extraction case linked to a side wall of the transmission case and accommodating a gear type power extraction mechanism linked to a power extraction shaft of the transmission mechanism. The power extraction case includes: a gear accommodation chamber for accommodating the gear type power extraction mechanism; and an intermediate transmission chamber for establishing fluid communication between the gear accommodation chamber and the inside of the transmission case. The power extraction case is provided with an oil communication passage for establishing fluid communication between the inside of the transmission case and the gear accommodation chamber.

Transmission

An oil level detector configured to detect a level of oil in a case includes: a guide tube inserted to the case; and an oil level gauge inserted to the guide tube to detect the level of the oil in the case. The guide tube includes a main body having a distal end portion and an insert portion inserted to the case, and a branch portion provided between the distal end portion and the insert portion and branching from the main body, and the branch portion is inserted to the case at a position higher than the insert portion.

Oil level detector

A V-belt type continuously variable transmission is provided with a transmission case attached to an engine and forms an outer shape, comprising: an air intake duct provided with an air intake port arranged on an engine side; and an air intake duct connection port arranged in a side wall on the engine side of the transmission case and connected to the air intake duct, the air intake duct connection port being inclined relative to the side wall.

A transmission apparatus includes a case, a gear transmission housed in the case, an intra-shaft oil passage formed in a rotating shaft, an oil supplying passage for supplying oil to the intra-shaft oil passage, a guide plate facing an axial end surface of a gear with a predetermined distance in the axial direction of the gear, which is clipped in oil in the case; and an oil passage formed between the one end surface and the guide plate. The oil passage extends along an outer periphery of the one end surface.

Growing community of inventors

Akashi, Japan

Ayumi Hamada