STRUCTURE FOR SUPPORTTING DRIVE DEVICE UNIT

Title:

STRUCTURE FOR SUPPORTTING DRIVE DEVICE UNIT

Document Type and Number:

WIPO Patent Application WO/2003/004297

Kind Code:

A1

Abstract:

A support structure of pendulum mount type for supporting a drive device unit, by which the vertical floor vibration of a frequency band of 12 to 17 Hz is suppressed thereby to improve the riding comfort. Formula K2 = C·L1&sol L2·K1 is satisfied if one (RH) of mounts arranged on the right and left upper sides has a vertical dynamic spring constant (K1) whereas the other mount (LH) has a vertical dynamic spring constant (K2), the horizontal distances from the center of gravity (G) of the unit to the centers of the two mounts are (L1) and (L2), and a constant (C) is (no less than 1.3 and preferably less than 1.9). The vertical loss factor (Lf) of the mount (RH) has a peak frequency set at about 15 Hz.

Inventors:

WATATANI NAOKI (JP)
ISHIDA TERUKAZU (JP)
SAKATA TESSHIN (JP)

Application Number:

PCT/JP2001/005866

Publication Date:

January 16, 2003

Filing Date:

July 05, 2001

Export Citation:

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Assignee:

TOYO TIRE & RUBBER CO (JP)
NISSAN MOTOR (JP)
WATATANI NAOKI (JP)
ISHIDA TERUKAZU (JP)
SAKATA TESSHIN (JP)

International Classes:

B60K5/12; F16F7/10; F16F13/10; (IPC1-7): B60K17/12; F16F13/00

Foreign References:

JPH0411125U	1992-01-30
JPH10109550A	1998-04-28
JPS61220922A	1986-10-01
GB2126546A	1984-03-28

Other References: