Kobelco Construction Machinery Co., Ltd.

Seiichi Onishi

Michio Hirayama

Seiji Saiki

Kazushige Koiwai

Kazuhiro Ueda

Ayumu Tokuda

Hidenori Matsunaga

Hideki Hayashi

Taisuke Ikeda

Atsushi Hirahara

Shigeyuki Oda

Shinichiro Amano

Naohito Matsushita

A working machine includes: a lower traveling body; an upper slewing body; a cab; a display device; and a detector. The upper slewing body is slewably mounted on the lower traveling body. The cab is mounted on the upper slewing body. The cab include: a front wall having a front window; a pair of left and right front pillars extending in an up-down direction respectively along left and right sides of the front window; and a pair of left and right side walls extending reward respectively from the left and right front pillars. The display device is disposed in a corner defined between one of the left and right side walls and the front wall in the cab while being fixedly attached to the one side wall or the front wall for displaying predetermined information. The detector is fixedly connected to the display device.

Working machine

A generator motor includes a stator, a rotor that rotates relative to the stator, and a motor housing that houses the stator and the rotor. The motor housing includes a housing main body that encloses a periphery of the stator and the rotor and a cover that is attached to an end surface of the housing main body so as to cover an opening formed on the end surface, which is on an opposite side to an engine, of the housing main body. A drain hole for draining water inside the motor housing to below the motor housing is formed between a lower end of the cover and the end surface of the housing main body. The motor housing includes a covered section that covers the drain hole from below at a position that is lower than the drain hole.

Generator motor

Provided is a gasket effectively suppressing heat transfer from an exhaust pipe with an injector retention section to a reducing-agent injector. The gasket includes a first plate to contact a retaining wall of the injector retention section, the first plate having a first opening allowing the reducing agent to be injected and a first bolt insert-through hole, a second plate disposed closer to the reducing-agent injector than the first plate, the second plate having a second opening allowing the reducing agent to be injected and a second bolt insert-through hole, and a spacing keeping member that retains a spacing between the first and second plates to form a heat insulation space therebetween. The heat insulation space has a shape allowing at least a part of the heat insulation space to communicate with the outside of the gasket between the first and second plates.

Reducing-agent injector gasket and exhaust-gas posttreatment apparatus including same

An upper slewing bodyincludes: a bottom plate rotatably attached to a lower traveling body; supporting frames and standing on the bottom plate; an engine supported on the bottom plate by the supporting frames; a generator motor connected to the engine; and a terminal box including a terminal, which is electrically connected to the generator motor and allows a cable to be connected, and a box main body housing the terminal and being attached to the generator motor. The generator motor includes a facing section facing the bottom plate at a position separated from the supporting frames in a plan view. The terminal box is arranged between the facing section of the generator motor and the bottom plate.

Upper slewing body of construction machine

Provided is a construction machine capable of suppressing overcooling of fluid by heat exchangers, while requiring only a small space. The construction machine includes: a lower travel body; an upper slewing body mounted on the lower travel body and having an engine compartment; an engine compartment cover covering the engine compartment; an air filter which collects dust in outside air taken into the engine compartment and has a filter surface; a heat exchanger disposed downstream of the air filter in an air flow direction and having a core surface; an air filter holding section holding the air filter removably in an attitude opposing the filter surface of the air filter to the core surface of the heat exchanger; and a shut member installed removably on the air filter to shut at least a part of the filter surface.

Construction machine having cooling function

Provided is a construction machine including exhaust ducts and favorably discharging air from an engine room through an air outlet. The construction machine includes an engine room with an upper wall portion and a cooling fan, the upper wall portion formed with first and second exhaust ducts. The first exhaust duct includes an upstream portion extending in a first horizontal direction and a downstream portion extending upward from a terminal end of the upstream portion to a first air outlet. The second exhaust duct includes a cross portion crossing the upstream portion in a second horizontal direction perpendicular to the first horizontal direction above the upstream portion. The cross portion allows air to flow from a second air inlet opened downward and sideward of the upstream portion to a second air outlet opposite to the second air inlet, through an upper side of the upstream portion.

Growing community of inventors

Hiroshima, Japan

Seiichi Onishi