Definitions
from The Century Dictionary.
- In mech., mounted upon a common shaft or upon shafts having the same axis and coupled so as to turn as one: said of the driving and driven portions of any mechanical system that are thus connected so that they revolve as a unit, without the intervention of belts or other devices for the transmission of motion.
from the GNU version of the Collaborative International Dictionary of English.
- adjective Coupled without intermediate connections, as an engine and a dynamo.
- adjective (Wireless Teleg.) an antenna connected electrically with one point of a closed oscillation circuit in syntony with it and earthed.
Etymologies
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Examples
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With great depths and greater capacities, speed becomes a momentous factor, and direct-coupled engines are necessary.
Principles of Mining Valuation, Organization and Administration Herbert Hoover 1919
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In late years, direct-coupled, electric-driven centrifugal pumps have entered the mining field, but their efficiency, despite makers 'claims, is low.
Principles of Mining Valuation, Organization and Administration Herbert Hoover 1919
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Where great rope speed is not essential they are fully as economical as direct-coupled engines.
Principles of Mining Valuation, Organization and Administration Herbert Hoover 1919
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While the engines were not directly coupled to the dynamos, it was a curious fact that the piston speeds and number of revolutions were what is common to-day in isolated direct-coupled plants.
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Shortly after this he was invited to construct for the Edison Pearl Street station the first of a series of engines for so-called ` ` steam-dynamos, '' each independently driven by a direct-coupled engine.
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Shortly after this he was invited to construct for the Edison Pearl Street station the first of a series of engines for so-called "steam-dynamos," each independently driven by a direct-coupled engine.
Edison, His Life and Inventions Frank Lewis Dyer 1905
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While the engines were not directly coupled to the dynamos, it was a curious fact that the piston speeds and number of revolutions were what is common to-day in isolated direct-coupled plants.
Edison, His Life and Inventions Frank Lewis Dyer 1905
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DC servo direct-coupled audio circuits with 0.8 Hz rolloff
AVForums.com Nick Peacock 2010
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Output transistors direct-coupled to speakers without LRC networks
AVForums.com Nick Peacock 2010
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The Boge SLF series combines a direct-coupled drive system with frequency control to provide the ultimate compressor for pressure control under variable output requirements.
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