Results 51 to 60 of about 211,658 (259)
Structure, 2009 Previous evidence has indicated that the transmembrane signal in bacterial chemoeceptors is carried by the piston displacement of a membrane-spanning signaling helix. Hendrickson and coworkers (Cheung and Hendrickson, 2009; Moore and Hendrickson, 2009) now provide structural evidence that suggests piston transmembrane signaling is widely conserved in ...
Joseph J. Falke, Annette H. Erbse
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Gas-to-hydraulic power converter [PDF]
, 1982 A gas piston driven hydraulic piston pump is described in which the gas cycle is of high efficiency by injecting the gas in slugs at the beginning of each power stroke. The hydraulic piston is disposed to operate inside the as piston, and the two pistons,
Galloway, C. W.
core +1 more source
Optically actuated two position mechanical mover [PDF]
, 1974 An optically actuated mechanical mover adapted to be moved from an ambient position to an active position, is disclosed. The mechanical mover essentially comprises a piston/cylinder arrangement including a piston that is contained within an internal ...
Murphy, A. J., Yang, L. C.
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The Boston Medical and Surgical Journal, 1877 n ...
Peters, Samuel, Peters, F. S.
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Technological features of piston casting
Литьë и металлургия, 2020 The results of studies of obtaining complex castings from aluminum alloys using the self-filling method are presented. The influence of a number of technological parameters (pouring time, chill cooling mode, the use of self-filling, etc.) on the quality ...
M. A. Sadokha
doaj +1 more source
Reversible compression of an optical piston through Kramers dynamics [PDF]
Phys. Rev. E 91, 042135 (2015), 2015 We study the reversible crossover between stable and bistable phases of an over-damped Brownian bead inside an optical piston. The interaction potentials are solved developing a method based on Kramers' theory that exploits the statistical properties of the stochastic motion of the bead. We evaluate precisely the energy balance of the crossover.
arxiv +1 more source
Lightweight piston architecture [PDF]
, 1990 The invention is an improvement in a lightweight carbon-carbon composite piston, the improvement uses near-net shape knitted or warp-interlock preforms to improve the structural qualities of the piston.
Ransone, Philip O., Taylor, Allan H.
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American Journal of Physics 87, 33 (2019), 2018 The Fluidyne is a two-part hot-air engine, which has the peculiarity that both its power piston and displacer are liquids. Both parts operate in tandem with the common working gas (air) transferring energy from the displacer to the piston side, from which work is extracted.
arxiv +1 more source
The stochastic piston problem [PDF]
Proceedings of the National Academy of Sciences, 2004 We obtain analytical solutions for the perturbed shock paths induced by time-varying random motions of a piston moving inside an adiabatic tube of constant area. The variance of the shock location grows quadratically with time for early times and switches to linear growth for longer times.
Guang Lin +2 more
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, 1987 A lightweight piston composed of carbon-carbon composites is presented. The use of carbon-carbon composites over conventional materials, such as aluminum, reduces piston weight and improves thermal efficiency of the internal combustion reciprocation ...
Taylor, Allan H.
core +1 more source