GB1448956A - Heating and ventilating units - Google Patents
Heating and ventilating unitsInfo
- Publication number
- GB1448956A GB1448956A GB372874A GB372874A GB1448956A GB 1448956 A GB1448956 A GB 1448956A GB 372874 A GB372874 A GB 372874A GB 372874 A GB372874 A GB 372874A GB 1448956 A GB1448956 A GB 1448956A
- Authority
- GB
- United Kingdom
- Prior art keywords
- matrix
- valve
- outlet
- air flow
- air
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60H—ARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
- B60H1/00—Heating, cooling or ventilating [HVAC] devices
- B60H1/00007—Combined heating, ventilating, or cooling devices
- B60H1/00021—Air flow details of HVAC devices
- B60H1/00064—Air flow details of HVAC devices for sending air streams of different temperatures into the passenger compartment
- B60H1/00071—Air flow details of HVAC devices for sending air streams of different temperatures into the passenger compartment the air passing only one heat exchanger
Landscapes
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Air-Flow Control Members (AREA)
Abstract
1448956 Heating and ventilating motor vehicles BRITISH LEYLAND UK Ltd 28 April 1975 [26 Jan 1974] 03728/74 Heading F4V A motor vehicle heating and ventilating system comprises a heater matrix 20 within a casing and a flap valve 24, 25 at each side of the matrix which are mechanically interlinked for simultaneous movement from a first position in which each valve prevents air flow through the matrix to a second position wherein the valves do not restrict air flow through the matrix but the valve 25 in the second position also restricts air flow by-passing the matrix. A flap valve 35 controls an unheated air outlet at face level to which incoming air is controllably directed by the valve 24, the portion of unheated air flow not passing through the face outlet passing to an outlet 30 for connection to windscreen demisting ducts and to a further valve 33 controlling distribution to a level distribution box (not shown). Air after passage through the matrix may be mixed with the by-pass fresh air and pass to outlet 30 and distribution box.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB372874A GB1448956A (en) | 1974-01-26 | 1974-01-26 | Heating and ventilating units |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB372874A GB1448956A (en) | 1974-01-26 | 1974-01-26 | Heating and ventilating units |
Publications (1)
Publication Number | Publication Date |
---|---|
GB1448956A true GB1448956A (en) | 1976-09-08 |
Family
ID=9763835
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB372874A Expired GB1448956A (en) | 1974-01-26 | 1974-01-26 | Heating and ventilating units |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB1448956A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0212306A2 (en) * | 1985-08-16 | 1987-03-04 | Adam Opel Aktiengesellschaft | Heating and ventilating device for motor vehicles |
-
1974
- 1974-01-26 GB GB372874A patent/GB1448956A/en not_active Expired
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0212306A2 (en) * | 1985-08-16 | 1987-03-04 | Adam Opel Aktiengesellschaft | Heating and ventilating device for motor vehicles |
EP0212306A3 (en) * | 1985-08-16 | 1989-03-01 | Adam Opel Aktiengesellschaft | Heating and ventilating device for motor vehicles |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PS | Patent sealed | ||
PCNP | Patent ceased through non-payment of renewal fee |