Refrigeration – With repair – assembly or disassembly means
Reexamination Certificate
1998-11-24
2001-02-20
Doerrler, William (Department: 3744)
Refrigeration
With repair, assembly or disassembly means
C074S553000
Reexamination Certificate
active
06189328
ABSTRACT:
FIELD OF THE INVENTION
The present invention relates to a separate type air conditioner. In particular, an air conditioner has been disclosed which has been designed in a manner to facilitate assembly thereof.
BACKGROUND OF THE INVENTION
Referring to
FIG. 8
, an indoor unit of a separate type air conditioner is described below.
FIG. 8
shows a motor
103
driver cross flow fan
104
and is disposed inside base frame
102
forming the bottom of an indoor unit main body
101
. Front grille
105
is shown attached to base frame
102
. An indoor air suction port
106
is opened in front grille
105
. The indoor air sucked in from indoor air suction port
106
passes through air filter
107
installed behind the indoor air suction port
106
, and flows into an indoor side heat exchanger
108
assembled in base frame
102
. The indoor side heat exchanger
108
absorbs the heat from the indoor air and dehumidifies it at the same time. This produces condensate which is poured into water tray
110
provided in diffuser grille
109
. Further, the heat-exchanged air passes through diffuser unit
111
of diffuser grille
109
, and is blown out from air diffuser
112
which is opened in front grille
105
.
The assembly procedure of the indoor unit main body
101
is described below. On one end, cross flow fan
104
is temporarily fitted to motor base
113
provided in base frame
102
. Bearing
114
is fitted to the other end of cross flow fan
104
, and is fitted into bearing
115
provided in base frame
102
. Indoor side heat exchanger
108
is attached to front of the cross flow fan
104
. Diffuser grille
109
integrally comprising water tray
110
and diffuser unit
111
is installed beneath indoor side heat exchanger
108
. Power source board
116
incorporating a control device is assembled in base frame
102
ahead of motor
103
. Motor
103
is held in place by power source board
116
. Display lamp
117
, receiver
118
for receiving radio wave from a remote controller, power switch
119
for turning on or off the power source, automatic operation switch
120
for operating the unit automatically, and a test run switch
121
are arranged and installed ahead of power source board
116
. Display lamp
117
comprises an operation lamp showing the control device and control state, a timer lamp, and others. Automatic operation switch
120
enables automatic operation of the unit in case of battery drain of the remote controller, or loss or malfunction of the remote controller. Test run switch
121
is used for testing the operation of the unit after installation or moving. Finally, front grille
109
is shown hooked on pawl
122
provided in base frame
102
. Power switch
119
, automatic operation switch
120
and test run switch
121
protruding from power source board
116
are inserted into a switch hole
124
provided in operation unit
123
of front grille
109
.
However, in such structure of a front grille operation unit of the conventional separate type air conditioner, the protruding switches cannot be easily inserted into the switch hole provided in the front grille operation unit. Accordingly, during assembly a complicated work is required to put the switches correctly in place. Besides, the front grille is detached from the assembly when shipped, and needs to be attached when the unit is installed or serviced. In this process, the switches may be deviated from the hole center or dislocated from the hole. As a result, an abnormal stress is applied to the switches, and the switches interfere with the front grille, which causes problems.
SUMMARY OF THE INVENTION
The separate type air conditioner of the invention includes an indoor unit and an outdoor unit. The indoor unit comprises (a) a base frame, (b) a power source board having a control device, (c) operation members mounted on the power source board, and (d) a front grille having an operation unit, being disposed in the base frame to cover the indoor heat exchanger and the blower, in which the operation unit has guides, and the operation members are led by the guides and fitted into the front grille.
The assembly method of an indoor unit of a separate type air conditioner of the invention comprises (a) a step of disposing a power source board in a base frame, (b) a step of mounting operation members having a guide in the power source board, and (c) a step of disposing a front grille incorporating an operation unit, in the base frame to cover the power source board, in which at step (c), as being led by guides formed in the operation unit, the operation members are fitted into the front grille.
In this configuration, the installation position of the operation members is stabilized. Moreover, positioning is easy between the operation unit of the front grille and the operation members installed in the power source board. The operation members are installed in the operation unit positioned precisely. The front grille can be easily installed in the base frame.
REFERENCES:
patent: 4977750 (1990-12-01), Metcalfe
patent: 5101471 (1992-03-01), Bill
patent: 5185804 (1993-02-01), Watanabe
patent: 5199273 (1993-04-01), Silva et al.
patent: 5377503 (1995-01-01), Reedy et al.
patent: 5461880 (1995-10-01), Bolton et al.
patent: 5467610 (1995-11-01), Bolton et al.
Doerrler William
Matsushita Electric - Industrial Co., Ltd.
Rather & Prestia
Shulman Mark
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