BE677182A - - Google Patents
Info
- Publication number
- BE677182A BE677182A BE677182DA BE677182A BE 677182 A BE677182 A BE 677182A BE 677182D A BE677182D A BE 677182DA BE 677182 A BE677182 A BE 677182A
- Authority
- BE
- Belgium
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F3/00—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems
- F24F3/044—Systems in which all treatment is given in the central station, i.e. all-air systems
- F24F3/048—Systems in which all treatment is given in the central station, i.e. all-air systems with temperature control at constant rate of air-flow
- F24F3/052—Multiple duct systems, e.g. systems in which hot and cold air are supplied by separate circuits from the central station to mixing chambers in the spaces to be conditioned
- F24F3/0522—Multiple duct systems, e.g. systems in which hot and cold air are supplied by separate circuits from the central station to mixing chambers in the spaces to be conditioned in which warm or cold air from the central station is delivered via individual pipes to mixing chambers in the space to be treated, the cold air/warm air ratio being controlled by a thermostat in the space concerned, i.e. so-called Dual-duct System
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Air Conditioning Control Device (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US369145A US3237860A (en) | 1964-05-21 | 1964-05-21 | Dual duct air conditioning system with seasonal changeover means |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE677182A true BE677182A (de) | 1966-08-29 |
Family
ID=23454265
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE677182D BE677182A (de) | 1964-05-21 | 1966-02-28 |
Country Status (2)
| Country | Link |
|---|---|
| US (1) | US3237860A (de) |
| BE (1) | BE677182A (de) |
Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3368752A (en) * | 1966-02-28 | 1968-02-13 | Robertson Co H H | Dual duct air conditioning with seasonal changeover means |
| US3622070A (en) * | 1969-12-17 | 1971-11-23 | Robertson Co H H | Dual volume air distribution apparatus |
| US3824800A (en) * | 1973-09-07 | 1974-07-23 | Carrier Corp | Air conditioning unit and control |
| US3934795A (en) * | 1974-02-01 | 1976-01-27 | Universal Pneumatic Controls, Inc. | Dual duct variable volume air conditioning system |
| US4039124A (en) * | 1974-02-01 | 1977-08-02 | Universal Pneumatic Controls, Inc. | Dual duct variable volume air conditioning system |
| US3910345A (en) * | 1974-04-22 | 1975-10-07 | James J Whalen | Heating and cooling system |
| US4296795A (en) * | 1980-05-02 | 1981-10-27 | Robertshaw Controls Company | Pneumatically operated control system and unit therefor and methods of making the same |
| US20090007978A1 (en) * | 2007-07-03 | 2009-01-08 | Glacier Bay, Inc. | HVAC air distribution valve |
| TW201634738A (zh) * | 2015-01-22 | 2016-10-01 | 應用材料股份有限公司 | 用於在空間上分離之原子層沉積腔室的經改良注射器 |
| US20200149753A1 (en) * | 2018-11-09 | 2020-05-14 | Jacob Twerski | Air control system for a building |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3026041A (en) * | 1960-05-06 | 1962-03-20 | Robertson Co H H | Conditioned air distribution |
| US3145926A (en) * | 1960-11-04 | 1964-08-25 | Air Devices Inc | High pressure colk air-hot air mixing box for a ventilating, heating and air conditioning system |
-
1964
- 1964-05-21 US US369145A patent/US3237860A/en not_active Expired - Lifetime
-
1966
- 1966-02-28 BE BE677182D patent/BE677182A/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| US3237860A (en) | 1966-03-01 |