Valveless

Research has shown the "valveless" design alone could reduce fuel consumption by 40 percent. ❋ Unknown (2008)

Research has shown the "valveless" design alone could reduce fuel consumption by 40 percent, said Professor Monika Ivantysynova of Purdue's School of Mechanical Engineering. ❋ Unknown (2008)

The outstanding soloist in the concerto was 26-year-old Alec Frank-Gemmill, playing a valveless instrument, as were the obbligato horn section, conjuring misty overtones and harmonics, mellow in mood as well as raw. ❋ Unknown (2012)

"Period instrument" does not necessarily equal valveless horn, though, as a visit to the New Queen's website will show. ❋ Lisa Hirsch (2007)

Meanwhile, the British, ever improving their invention, finally came up with the revolutionary design: George Jennings patented a valveless water closet in 1852, forever getting rid of the annoying valve—what had euphemistically become known as a “dirt trap.” ❋ W. Hodding Carter (2006)

Sometimes it was the valve closet, sometimes the improved hopper, other times the valveless closet. ❋ W. Hodding Carter (2006)

The lubricating oil pump is of the valveless two-plunger type, so geared that it runs at seven revolutions to 100 revolutions of the engine; by counting the pulsations the speed of the engine can be quickly calculated by multiplying the pulsations by 100 and dividing by seven. ❋ Evelyn Charles Vivian (1914)

The very desirable feature of being entirely valveless was accomplished with this engine, which is also noteworthy for exceedingly compact design. ❋ Evelyn Charles Vivian (1914)

The venous arrangements are also peculiar in that the veins are thin-walled and valveless, and open into the rigid, incompressible sinuses which run between the layers of the dura mater. ❋ Alexander Miles (1893)

Adelaide pretended to herself to regard Henrietta as an energetic and stimulating person, though she knew that Henrietta's energy, like her own, like that of most women of the sheltered, servant-attended class, was a mere blowing off of steam by an active but valveless engine of a mind. ❋ David Graham Phillips (1889)

Vuvuzelas, the valveless plastic trumpets Glowka refers to, showed up on numerous end-of-the-year lists. ❋ Unknown (2011)

And in the absence of any Baroque trumpet students, a couple of modern trumpet majors and one of their teachers, John Thiessen were enlisted to play the valveless early trumpet in works by Bach, Handel and Rameau. ❋ By ALLAN KOZINN (2011)

ET, they'll be equipped with the musical equivalent of muskets and pitchforks - valveless horns, wooden flutes and gut-stringed violins - to present three works by Beethoven. ❋ Unknown (2011)

Fiat leads the world in turbo-diesel technology and is fairly hot on the future turbo-charged, valveless-tech petrol stuff too. ❋ Unknown (2009)

FMI pioneered the first patented valveless rotating and reciprocating piston metering pump concept and has been delivering pumping excellence and precise fluid control for over 45 years.

Manufacturers of liquid fluid metering valveless piston metering pumps & dispensers. ❋ Unknown (2009)

If Sumner Thompson's baritone yielded a brighter sound than you normally hear in arias like "The people that walked in darkness," his vocal weight was perfect for "The trumpet shall sound," which also benefited from Nathan Botts's superb valveless trumpet playing. ❋ By ALLAN KOZINN (2009)