IP Library Granted Patent US 8,469,136
Granted Patent B2
US 8,469,136 · App. 12/856,176 · Granted Jun 25, 2013

Hybrid construction machine

Inventors: Tetsunori Manabe (Hiroshima, JP); Takao Sugano (Hiroshima, JP)
Assignee: Kobelco Construction Machinery Co., Ltd.
View Patent ↗
Loading inventors, assignments & file history…
Monitor This Case
Get email alerts when status or documents change.
Order Certified Copies
Most orders are placed with the USPTO same day — all within 24 business hours.
Order via The Patent Place →
Pre-filled with this patent's details
Quick Facts
Patent No.
US 8,469,136
App. No.
12/856,176
Granted
Jun 25, 2013
Kind
B2
Abstract

A hybrid construction machine includes an engine, a generator motor, and a hydraulic pump. They constitute a power unit, and are connected in series, with the generator motor being disposed between the engine and the hydraulic pump and with a center of gravity of the entire power unit being positioned closer to the generator motor than the center of gravity of the engine. A mount installation bracket is mounted at a side of each flange disposed at a corresponding side of the generator motor. A generator-motor-side mount device is mounted to the bracket.

Claims (16)

1. A hybrid construction machine comprising:

an engine;

a generator motor;

a hydraulic pump;

an engine-side mount device; and

a generator-motor-side mount device,

wherein the engine, the generator motor, and the hydraulic pump constitute a power unit,

wherein the engine, the generator motor, and the hydraulic pump are connected in series, with the generator motor being disposed between the engine and the hydraulic pump and with a center of gravity of the entire power unit being positioned closer to the generator motor than is a center of gravity of the engine,

wherein the engine-side mount device and the generator-motor-side mount device are disposed at the engine and the generator motor, respectively, with the center of gravity of the entire power unit being disposed therebetween, and

wherein the power unit is supported on a body frame of the machine by the mount devices, and

wherein an engine-side flange connected to the engine is provided at one side of the generator motor in an axial direction thereof,

wherein a pump-side flange connected to the hydraulic pump is provided at the opposite side of the generator motor in the axial direction thereof,

wherein a mount installation bracket extends between the engine-side flange and the pump-side flange and is mounted to both the engine-side flange and the pump-side flange, and

wherein the generator-motor-side mount device is mounted to the mount installation bracket.

2. The hybrid construction machine according to claim 1 , wherein a plurality of the mount installation brackets and a plurality of the generator-motor-side mount devices are provided at respective sides of the power unit in a direction perpendicular to an axial direction of the power unit.

3. The hybrid construction machine according to claim 1 , further comprising an engine-side suspension part and a generator-motor-side suspension part for suspending the entire power unit, wherein the generator-motor-side suspension part is provided at the mount installation bracket.

Assignments (1)
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Aug 13, 2010
From: MANABE, TETSUNORI; SUGANO, TAKAO
To: KOBELCO CONSTRUCTION MACHINERY CO.,LTD.
Reel/Frame 024836/0115 →
Priority Claims (1)
JP 2009-224627 · Sep 29, 2009 · national
Continuity (1)
Related Publication 20110073402A1 · Mar 31, 2011