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Impact sprinkler head. An impact sprinkler (sometimes called an impulse sprinkler) is a type of irrigation sprinkler in which the sprinkler head, driven in a circular motion by the force of the outgoing water, pivots on a bearing on top of its threaded attachment nut. Invented in 1933 by Orton Englehart, it quickly found widespread use.
The Rain Bird horizontal action impact-drive sprinkler head was recognized as a historic landmark of agricultural engineering in 1990 by the American Society of Agricultural and Biological Engineers. [3] This invention led to sprinkler irrigation development that currently exceeds 50,000,000 acres (78,000 sq mi; 200,000 km 2) worldwide.
An impact sprinkler head in action Sprinklers spraying water to irrigate vine plants in a vineyard. An irrigation sprinkler (also known as a water sprinkler or simply a sprinkler) is a device used to irrigate (water) agricultural crops, lawns, landscapes, golf courses, and other areas. They are also used for cooling and for the control of ...
It must be installed in an easily accessible place for adjustment, replacement, and repair. A trap primer, a specialized valve, is usually connected to a clean-water supply in addition to a DWV system. [20] Because of the dual connection, it must be designed to resist the accidental backflow of contaminated water.
Comparison of a regular sprinkler (1) and a reverse sprinkler (2) A Feynman sprinkler, also referred to as a Feynman inverse sprinkler or reverse sprinkler, is a sprinkler-like device which is submerged in a tank and made to suck in the surrounding fluid. The question of how such a device would turn was the subject of an intense and remarkably ...
The Sprinkler dance is a form of dance move involving a person placing one hand on the back of the neck, and waving the other arm back and forth while spinning in a circle. This simulates the motion of a garden irrigation sprinkler .
Gears in the register convert the motion of the measuring element to the proper usage increment for display on the sweep hand and the odometer-style wheels. Many registers also have a leak detector. This is a small visible disk or hand that is geared closer to the rotation speed of the drive magnet, so that very small flows that would be ...
The novel was adapted by writer Ernest Lehman into the film Family Plot, directed by Alfred Hitchcock, becoming his fifty-third and final motion picture.The film featured Barbara Harris and Bruce Dern as Blanche Tyler and George Lumley, with Karen Black as Francine and William Devane as Edward Shoebridge/Arthur Adamson.
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