GB667741A - Temperature control system for a plurality of enclosed spaces - Google Patents
Temperature control system for a plurality of enclosed spacesInfo
- Publication number
- GB667741A GB667741A GB8469/50A GB846950A GB667741A GB 667741 A GB667741 A GB 667741A GB 8469/50 A GB8469/50 A GB 8469/50A GB 846950 A GB846950 A GB 846950A GB 667741 A GB667741 A GB 667741A
- Authority
- GB
- United Kingdom
- Prior art keywords
- relay
- temperature control
- thermostats
- control system
- enclosed spaces
- 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
- B61—RAILWAYS
- B61D—BODY DETAILS OR KINDS OF RAILWAY VEHICLES
- B61D27/00—Heating, cooling, ventilating, or air-conditioning
- B61D27/0036—Means for heating only
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Control Of Temperature (AREA)
- Electric Propulsion And Braking For Vehicles (AREA)
Abstract
667,741. Automatic temperature control systems. VAPOR HEATING CORPORATION. April 4, 1950 [April 27, 1949], No. 8469/50. Class 38 (iv). In a temperature control system for a plurality of enclosed spaces, e.g. railway car compartments, each including a thermostat set to operate at a predetermined temperature, the thermostats 10, 11, 12 are connected in shunt with a relay coil 38 of a relay 37 which controls through relay contact 41 the energization of a heater valve 21 for supplying heat to all the compartments. The arrangement is such that only when all the thermostats are calling for heat will the relay 37 be energized so as to de-energize the heater valve coil 47 to open the heater valve. The thermostats each have an auxiliary heater 59, 60, 61 so that they may be cycled through relay contact 40. A blower fan for 18 is provided and is controlled by a relay 30 and an outside thermostat 22 so as to become de-energized when the outside temperature exceeds a predetermined value.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US667741XA | 1949-04-27 | 1949-04-27 |
Publications (1)
Publication Number | Publication Date |
---|---|
GB667741A true GB667741A (en) | 1952-03-05 |
Family
ID=22071597
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB8469/50A Expired GB667741A (en) | 1949-04-27 | 1950-04-04 | Temperature control system for a plurality of enclosed spaces |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB667741A (en) |
-
1950
- 1950-04-04 GB GB8469/50A patent/GB667741A/en not_active Expired
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