Vessels of water are supplied at the most convenient place in one of the hot-air chambers to moisten and temper the air, and dampers are placed in the pipes to regulate and guide the supply of heat to the rooms above.
The damper pedal, or loud pedal, checks the action of all the dampersand prolongs the tones even after the fingers have released the keys.
Magnet operating dampers must be wound to take full voltage of circuit by which it is supplied, using no resistance device, and must not heat more than normal for apparatus of similar construction.
In case of an isolated plant which is shut down at night some arrangement for tying the dampers down should be made, but it is not always advisable, as once tied they are likely to remain so and sure to fail when needed.
In cases where dampers are released by an electric device, the electric circuit operating same must be normally closed.
If the current fails or a switch is opened the dampers must fly open at once.
There is an opening for fresh air to enter below the fuel, to aid combustion, and a damper above to act as a check draft when open, a chimney to carry off smoke, and one or two dampers in the chimney to regulate the draft.
Dampers in the side of the machine regulate the admission of air.
There are from three to six dampers on a stove (Figs.
Thermostats are devices which open or close valves or dampers in order to keep rooms, boilers, ovens, incubators, etc.
These thermostats are used to regulate dampers on coal and wood furnaces, when they are placed in the rooms to be heated.
Some housewives adjust the dampers for heating the oven and then never change them.
Then there was a general movement, and soon all were sitting up, and appeasing their appetite upon the cold meat and dampers they had brought with them.
He ran into the house, buckled on his sword, put some cold meat and a small bag of flour into his haversack, together with some dampers Jim had just cooked, and then went out again.
Colour will begin to show inside the muffle about the fifth or sixth hour, and the topdampers can come out a little, the front one more than the back, to draw the flame towards the door.
The dampers can come right out towards the end, being used to sweat the flame to the front if the back appears to come up too fast.
There is an air space all round, except at the open end, leading to the flues on top which have dampers to regulate the draught.
The air regulators are now pulled back and after a few minutes the dampers are closed.
If you have too much heat in your oven you can remedy that by drawing the dampers and leaving the oven door open.
On the other hand, if the bottom draft and furnace doors are not air tight, though you have them closed and have the dampers open, and only a moderate breeze is blowing, the fire will burn briskly.
The dampers should be closed when it reaches this point.
With thedampers so arranged, the heated air above the fire is forced around the oven and up the flue, as is clearly shown by the arrows in Fig.
Finally, cover the fire with a layer of fine coal and adjust the dampers properly; that is, close dampers g and h and open dampers f and i.
So that the draft will be right for rapid combustion, it is first necessary to close the dampers f and h and to open the bottom damper g and the chimney damper i.
If it is desired to heat the surface of the stove, so that cooking may be done on top of it, close dampers f, h, and i and open damper g.
When the dampers are arranged as mentioned, the hottest place on the surface of the stove is between the firebox and the stovepipe, and the coolest place is behind the damper h.
Then put fresh coal on this bed of coals, and, with the dampers arranged as for building a new fire, allow the coal to burn well for a short time.
The dampers are devices that control the flow of air in and out of the stove.
With the dampers so arranged, the heated air does not pass around the oven, but is confined in the space above it and the firebox, as shown in Fig.
With these dampers arranged, place crushed paper or shavings on the grate; then on top of the paper or shavings place kindling, and on top of the kindling put a small quantity of coal.
To get the best results from a cook stove, and at the same time overcome the wasting of fuel, the ways in which to adjust the dampers should be fully known.
If it is desired to heat the oven for baking, close dampers f and i and opendampers g and h.
How should the dampers of a coal range be adjusted so as to heat the oven for baking?
When the fire is to be used again, rake it slightly, put a thin layer of coal over the top, and arrange the dampers as for starting a fire.
See that all dampers in coal stoves and furnaces are correctly arranged before leaving them for any long time, as for the night.
There are also dampers or slides in front of the stove to control the amount of air going in.
When coal stoves and furnaces are freshly filled with coal, coal gas may escape if the dampers are not properly regulated.
Have you any remarks to offer respecting the construction and arrangement of the furnace bridges and dampers of marine boilers?
The dampersshould not be in the chimney but at the end of the boiler flue, so that they may be available for use if the funnel by accident be carried away.
But thedampers and drafts all work the same way," said her mother.
When I'm all done I leave the oven dampers out, shut the bottom draft in front and open the top one.
Her mother showed Margaret how to push in and out the dampers over the oven doors, and explained the shutter inside which they worked.
When I want to make something on top, I pull out the dampers to get the ovens cool, and I open the one at the bottom and shut the one at the top.
The dampers into the ovens must be shut, too, so the fire will have nothing to distract its attention; if we left them open it would think it had not only to burn, but to get the ovens hot, too.
All these various changes in the opening of the valves and dampers are automatically performed in the proper order by means of a hand-wheel H, the shaft m resting on the standards t and shaft v.
The amount of draft which is necessary to carry out the circulation of the gases and to draw in the adequate amount of air is regulated by dampers placed in the main flue.
We also had hot dampers and plenty of strong tea, guiltless, however, of milk, which was a luxury we had not indulged in for many a long month.
And you have to turn thedampers in the pipe, too, to let the heat go up the chimney.
It needs shaking down a little, and to have more coal on; and pull out the dampers so the oven will heat.
I mean the pedal which raises the dampers on the piano.
I prefer that the soft pedal should be used but seldom, and, if the pedal which raises the dampers is used at the same time, it must be only with the greatest nicety.
They cheered up at that, and, with Alan's help, they went to work to build a fire, making many discoveries during the operation about dampers and grates and their uses.
Perhaps it would go better, my boy, if the dampers were not shut up tight.
Yes, dampers in cold air boxes and other contrivances for keeping the fresh air out of houses, have killed more persons than all the fire-arms ever made in this country or any other.
Dampers in cold air boxes are handy things to have in the house, when used properly, but, like fire-arms, are very dangerous if you do not understand them.
How would you regulate the dampers when letting the fire out?
Close the ash pit dampers and open the smoke box door and fire door.
How should the dampersbe left when the fire is banked?
The first thing to do is to draw the fire, leaving the chimney damper open and closing all the other dampers so that as little cold air as possible can get into the boiler, while the heat can pass away up the chimney.
When there are no dampers the furnace doors are open instead, to check the draught; this is, however, highly injurious to the boilers.
When the engine is stopped and the steam shut off, close the dampers to check the draught and open the drain cocks on the high pressure cylinders.
The dampers are held in their places by wires or lifters passing between the strings and through the register, which holds them as they are acted on by the keys and pedal.
Attic-vent, fresh-air, and return-air dampers are under pneumatic switch control.
The mixing dampers at the base of the galvanized-iron ducts are controlled by their respective room thermostats.
The improper management of the drafts anddampers has also much to do with waste of fuel.
The dampers should be so adjusted as to bake the bottom crust first.
The creative dampers are doors or slides that come below the fire box.
The supply of oxygen is regulated by dampers and checks so arranged as to admit or cut off the draught of air.
The above list will hopefully give you a few useful examples demonstrating the appropriate usage of "dampers" in a variety of sentences. We hope that you will now be able to make sentences using this word.
