Patent US3292776A successfully refreshed from Google Patents.
Patent US4854376A successfully refreshed from Google Patents.
US4854376A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Wall mounted air conditioner with dischargers in separate rooms
Assignee: Sanyo Electric Co Ltd
•
Filing: 1987-07-20
•
Granted: 1989-08-08
•
Expires: 2007-07-20
Abstract
Abstract An air-conditioning system including an air conditioner incorporating a heat exchanger and a fan therein, and duct assembly connecting to the air conditioner for supplying conditioned air to a specific room equipped with the air conditioner and to another room, the duct assembly comprising an auxiliary duct removably attached to a front cover of the air conditioner and a main duct separably connected to the auxiliary duct to extend from the specific room to said another room and having air outlet portions for supplying air to the respective rooms, the auxiliary duct having an air channel for guiding the air discharged from the air outlet of the front cover into the main duct.
Inventors
- 👤 Shouji Tunekawa
- 👤 Wazoh Yamada
- 👤 Yoshitaka Hara
- 👤 Fujio Suzuki
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 13:21
CPC Classifications
F; F24; F24F; F24F1/00; F24F1/02; F24F13/00; F24F13/02; F24F13/0254
Claims Analysis
Total Claims: 10
Claim 1
Independent Claim
214 words
An air-conditioning system including an air conditioner incorporating a heat exchanger and a fan therein, and duct means connected to the air conditioner for supplying conditioned air to a specific room equipped with the air conditioner and to another room, the system being characterized in that the air conditioner comprises a cabinet installed in and extending through a wall separating off the interior of the specific room from outside and having a front opening positionable inside the specific room, a bottom plate put into the cabinet through the front opening and contacting the bottom of the cabinet and having the heat exchanger and the fan mounted thereon, and a front cover having an air inlet and an air outlet and removably attached to the cabinet for covering the front opening; the duct means comprising an auxiliary duct removably attached to the front cover by connecting means and a main duct separably connected to the auxiliary duct to extend from the specific room to said another room and having air outlet portions for supplying air to the respective room, the auxiliary duct being removable without removal of any portion of the main duct and having an air channel for guiding the air discharged from the air outlet of the front cover into the main duct.
Claim 2
Dependent Claim
214 words
An air-conditioning system including an air conditioner incorporating a heat exchanger and a fan therein, and duct means connected to the air conditioner for supplying conditioned air to a specific room equipped with the air conditioner and to another room, the system being characterized in that the air conditioner comprises a cabinet installed in and extending through a wall separating off the interior of the specific room from outside and having a front opening positionable inside the specific room, a bottom plate put into the cabinet through the front opening and contacting the bottom of the cabinet and having the heat exchanger and the fan mounted thereon, and a front cover having an air inlet and an air outlet and removably attached to the cabinet for covering the front opening; the duct means comprising an auxiliary duct removably attached to the front cover by connecting means and a main duct separably connected to the auxiliary duct to extend from the specific room to said another room and having air outlet portions for supplying air to the respective room, the auxiliary duct being removable without removal of any portion of the main duct and having an air channel for guiding the air discharged from the air outlet of the front cover into the main duct.
Claim 3
Dependent Claim
24 words
An air-conditioning system as defined in claim 1 wherein each of the air outlet portions of the main duct is provided with a grille.
Claim 4
Dependent Claim
40 words
An air-conditioning system as defined in claim 1 wherein the air outlet portion of the main duct for the specific room is provided with a control plate for controlling the amount of air to be discharged from said air outlet.
Claim 5
Dependent Claim
23 words
An air-conditioning system as defined in claim 1 wherein the main duct and the auxiliary duct are lined with a heat insulating material.
Claim 6
Dependent Claim
39 words
An air-conditioning system as defined in claim 1 wherein the front cover has an operation panel assembly comprising a frame, an operation switch disposed inside the frame and a closure attached to the frame for covering the operation switch.
Claim 7
Dependent Claim
27 words
An air-conditioning system as defined in claim 5 wherein the frame is formed with a groove extending along its outer periphery and having at least one drain.
Claim 8
Dependent Claim
16 words
An air-conditioning system as defined in claim 5 wherein the closure is provided with lock means.
Claim 9
Dependent Claim
250 words
A air condition system including an air conditioner incorporating a heat exchanger and a fan therein, and duct means connected to the air conditioner for supplying conditioned air to a specific room equipped with an air conditioner and to another room, the system being characterized in that the air conditioner comprises a cabinet installed in and extending through a wall separating off the interior of the specific room from outside and having a front opening positionable inside the specific room, a bottom plate put into the cabinet through the front opening and contacting the bottom of the cabinet and having the heat exchanger and the fan mounted thereon, and a front cover having an air inlet and an air outlet and removably attached to the cabinet for covering the front opening; the duct means comprising an auxiliary duct removably attached to the front cover by connecting means and a main duct separately connected to the auxiliary duct to extend from the specific room to said another room and having air outlet portions for supplying air to the respective rooms, the auxiliary duct having an air channel for guiding the air discharge from the air outlet of the front cover into the main duct, the front cover having an operation panel assembly comprising a frame, an operation switch disposed inside the frame and a closure attached to the frame for covering the operation switch, the frame formed with a groove extending along its outer periphery and having at least one drain.
Claim 10
Dependent Claim
250 words
A air condition system including an air conditioner incorporating a heat exchanger and a fan therein, and duct means connected to the air conditioner for supplying conditioned air to a specific room equipped with an air conditioner and to another room, the system being characterized in that the air conditioner comprises a cabinet installed in and extending through a wall separating off the interior of the specific room from outside and having a front opening positionable inside the specific room, a bottom plate put into the cabinet through the front opening and contacting the bottom of the cabinet and having the heat exchanger and the fan mounted thereon, and a front cover having an air inlet and an air outlet and removably attached to the cabinet for covering the front opening; the duct means comprising an auxiliary duct removably attached to the front cover by connecting means and a main duct separately connected to the auxiliary duct to extend from the specific room to said another room and having air outlet portions for supplying air to the respective rooms, the auxiliary duct having an air channel for guiding the air discharge from the air outlet of the front cover into the main duct, the front cover having an operation panel assembly comprising a frame, an operation switch disposed inside the frame and a closure attached to the frame for covering the operation switch, the frame formed with a groove extending along its outer periphery and having at least one drain.
References Cited (Backward Citations)
US3823652A
Cited
US3752900A
Cited
US3817159A
Cited
US4315457A
Cited
US4480533A
Cited
US4637223A
Cited
US4628800A
Cited
US4628799A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1992-08-07 | 1993-02-06 | 1993-08-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1996-08-07 | 1997-02-06 | 1997-08-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2000-08-07 | 2001-02-06 | 2001-08-08 | $7700.00 | Window Closed / Lapsed |