COOL AND HOT AIR BLOWING DEVICE OF CONSTRUCTION MACHINERY

Title:

COOL AND HOT AIR BLOWING DEVICE OF CONSTRUCTION MACHINERY

Document Type and Number:

WIPO Patent Application WO/2002/036893

Kind Code:

A1

Abstract:

A cool and hot air blowing device of construction machinery capable of sufficiently meeting the requirements of an operator for the comfortableness of air-conditioned working environment and for the use of air-conditioning for multiple purposes, wherein an upper blowing tube (2) and a lower blowing tube (3) are formed in a generally cylindrical shape having a conical peripheral surface with an inclined surface having outlets (20) and (30) provided therein, and the upper blowing tube (2) is elastically fitted to the lower blowing tube (3) and the lower blowing tube (3) is elastically fitted to the vertical part (11a) of an air-conditioning duct (11), whereby, cool and hot air can be blown in desired directions by operating air direction control knobs (24) and (34) installed in the outlets (20) and (30) rotatable horizontally at the connection parts thereof and directed to desired rotating positions to adjust the vertical directions of inside shrouds (21¿1? to 21¿3?, 31¿1? to 31¿3?).

Inventors:

NISHIMORI HIROYUKI (JP)
HIYAMA TADASHI (JP)
ISHIZUKA TAKESHI (JP)
OJIMA SEIJI (JP)
SAKYOU TSUYOSHI (JP)
SASAKI SUSUMU (JP)

Application Number:

PCT/JP2001/009672

Publication Date:

May 10, 2002

Filing Date:

November 06, 2001

Export Citation:

Click for automatic bibliography generation Help

Assignee:

HITACHI CONSTRUCTION MACHINERY (JP)
NISHIMORI HIROYUKI (JP)
HIYAMA TADASHI (JP)
ISHIZUKA TAKESHI (JP)
OJIMA SEIJI (JP)
SAKYOU TSUYOSHI (JP)
SASAKI SUSUMU (JP)

International Classes:

B60H1/34; E02F9/16; F24F13/065; F24F13/15; (IPC1-7): E02F9/16

Foreign References:

JP2000094956A	2000-04-04
JPH0656167U	1994-08-05
JP2000096619A	2000-04-04
JP2000096621A	2000-04-04
EP0719665A1	1996-07-03

Other References: