ELEVATOR DEVICE - MITSUBISHI ELECTRIC CORP

Title:

ELEVATOR DEVICE

Document Type and Number:

WIPO Patent Application WO/2010/055543

Kind Code:

A1

Abstract:

An elevator device has an elevator car (1) moving vertically; a fan (3) having an air suction opening (3a) and an air discharge opening (3b); ducts (11-13) each having one end connected to the elevator car (1), the air suction opening (3a), and the air discharge opening (3b); an air volume adjusting means (20) having connected thereto the other end of each of the ducts (11-13) and adjusting the volume of air sucked into and discharged from the inside of the elevator car (1), the air volume adjusting means (20) performing the adjustment by changing the volume of air bypassing the inside of the elevator car (1) and flowing from the air discharge opening (3b) to the air suction opening (3a) of the fan (3); and a controlling means (10) for controlling the air volume adjusting means (20) to adjust the air pressure in the elevator car (1) to a set air pressure. The air pressure in the elevator car (1) can be adjusted to the set air pressure even if the difference between the set pressure and the air pressure outside the elevator car (1) is small.

Inventors:

TANISHIMA MAKOTO (JP)
NAKASHIMA SHINJI (JP)
YAMAMOTO KEIGO (JP)
IIDA MASAJI (JP)

Application Number:

PCT/JP2008/003267

Publication Date:

May 20, 2010

Filing Date:

November 12, 2008

Export Citation:

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Assignee:

MITSUBISHI ELECTRIC CORP (JP)
TANISHIMA MAKOTO (JP)
NAKASHIMA SHINJI (JP)
YAMAMOTO KEIGO (JP)
IIDA MASAJI (JP)

International Classes:

B66B11/02; B66B1/06

Foreign References:

JPH0977428A	1997-03-25
JPH035657A	1991-01-11
JPH11171409A	1999-06-29
JP2004256192A	2004-09-16
JP2004010286A	2004-01-15
JPS6482039A	1989-03-28

Other References: