Refrigeration – Structural installation
Patent
1998-11-10
2000-08-01
Bennett, Henry
Refrigeration
Structural installation
62272, 62298, F25D 2312
Patent
active
060949287
DESCRIPTION:
BRIEF SUMMARY
TECHNICAL FIELD
The present invention relates to outdoor units of separate type air-conditioners, more particularly to the outdoor unit to which piping and maintenance works are provided from the above thereof.
PRIOR ART
An outdoor unit of the separate type air-conditioner has been mounted, in general, to a wall just under a window, veranda, stairs or rooftop even these places are at rather high locations of a building. The outdoor units mounted such high places are desirably given piping and maintenance works from the above thereof among others. A conventional outdoor unit, as shown in FIGS. 5(a) and 5(b), is designed as follows in order to meet this requirement: the outdoor unit is mounted to a wall using a mounting section 26, and both the connecting section and the wiring section of pipes are provided at the upper portion of a housing 21 so that these sections can be accessed from outside the housing to provide various works by just removing a top plate 22 of the housing 21.
Connecting valves 23 are supported by a valve mounting plate 25, which covers substantially entire upper section of a compressor room, prevents dewing produced on the connecting valves 23 due to operation from dropping to compressor-related electrical parts 24 disposed in a lower chamber D. This valve mounting plate 25 guides water from the valves 23 to drop to the places other than the components of electrical equipment or the like that should be avoided to being watered.
The conventional outdoor unit, however, does not disclose the lower chamber D, where the compressor-related electrical parts 24 are mounted, even the top plate 22 is removed. The valve mounting plate 25 must be further removed to expose the lower chamber D. The maintenance work for the parts 24 is thus not readily provided. When the plate 25 is removed, large outside pipes connected to the plate 25 via connecting valve 23 must be removed from the valve 23 firstly, which makes the removal of the valve mounting plate 25 not so easy. The consideration for the top accessible work of maintenance, which practically saves a dismounting of the entire outdoor unit from the wall, does not actually give full advantages to the conventional outdoor unit.
The valve mounting plate 25 is disposed horizontally, therefore, dew water does not drain before the water height reaches to a draining section. A little water stays and contacts to the plate 25 for a long time, thereby to rust the plate.
The present invention addresses these problems, and aims to provide an outdoor unit for the separate type air-conditioner by improving work efficiencies of piping and maintenance from the top as well as preventing water from invading into the compressor-related electrical parts.
DISCLOSURE OF THE INVENTION
The present invention embodies the following ideas in order to realize the above objects: (1) The compressor room is partitioned by a valve mounting plate into a lower chamber and an upper chamber; the lower chamber contains a compressor and compressor-related electrical parts, the upper chamber contains connecting valves that connect coolant valves from an indoor unit to the compressor. (2) On the valve mounting plate, an opening for work is provided so that the above parts can be operated through this opening from the top. (3) The opening is bordered with a surrounding wall rising vertically from the edge of the opening.
According to the outdoor unit for the separate type air-conditioner of the present invention which embodies the above ideas, the following advantages are produced: (a) since the upper chamber is disclosed upward by removing the top plate, the connecting valves supported by the valve mounting plate can be connected or disconnected with ease to/from the coolant pipe from the indoor machine, (b) the compressor-related electrical parts can be readily adjusted and maintained when necessary, (c) the surrounding wall rising vertically on the edge of the opening prevents dew water from dropping onto the lower chamber through the opening even if water due to dew on the con
REFERENCES:
patent: 4736598 (1988-04-01), Sameshima et al.
patent: 5711162 (1998-01-01), Wolanin et al.
patent: 5775119 (1998-07-01), Yamada et al.
English translation of Form PCT/ISA/210.
Hatano Koji
Nakanuma Mitsuo
Oyabu Keiko
Bennett Henry
Jones Melvin
Matsushita Electric - Industrial Co., Ltd.
LandOfFree
Outdoor unit of separate type air conditioner does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Outdoor unit of separate type air conditioner, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Outdoor unit of separate type air conditioner will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-652880