Since the compression ratio is the ratio between dynamic and static volumes of the combustion chamber the Atkinson cycle's method of increasing the length of the powerstroke compared to the intake stroke ultimately altered the compression ratio at different stages of the cycle.

* Atkinson cycle

* 1882: James Atkinson of Hampstead, London, England invented the Atkinson cycle engine.

* 1882 – James Atkinson invents the Atkinson cycle engine, now common in some hybrid vehicles.

A similar delayed-valve closing method is used in some modern versions of Atkinson cycle engines, but without the supercharging.

In 2009, Fremantle model Tahnee Atkinson won the fifth cycle of Australia's Next Top Model.

# using Atkinson cycle engines instead of Otto cycle engines for improved fuel economy.

A form of internal EGR is used in the rotary Atkinson cycle engine.

* Atkinson cycle

* An asymmetrical thermodynamic cycle, the Atkinson cycle

The Atkinson cycle engine is a type of internal combustion engine invented by James Atkinson in 1882.

The Atkinson cycle is designed to provide efficiency at the expense of power density, and is used in some modern hybrid electric applications.

The original Atkinson cycle piston engine allowed the intake, compression, power, and exhaust strokes of the four-stroke cycle to occur in a single turn of the crankshaft and was designed to avoid infringing certain patents covering Otto cycle engines.

While Atkinson's original design is no more than a historical curiosity, many modern engines use unconventional valve timing to produce the effect of a shorter compression stroke / longer power stroke, thus realizing the fuel economy improvements the Atkinson cycle can provide.

The ideal Atkinson cycle consists of following operations:

Modern Atkinson cycle engines do away with this complex energy path.

Recently Atkinson cycle has been used to describe a modified Otto cycle engine in which the intake valve is held open longer than normal to allow a reverse flow of intake air into the intake manifold.

By use of variable engine strokes from a complex crankshaft, Atkinson was able to increase the efficiency of his engine, at the cost of some power, over traditional Otto-cycle engines.

Due to the unique crankshaft design of the Atkinson, its expansion ratio can differ from its compression ratio and, with a power stroke longer than its compression stroke, the engine can achieve greater thermal efficiency than a traditional piston engine.

The disadvantage of the four-stroke Atkinson cycle engine versus the more common Otto cycle engine is reduced power density.

Due to a smaller portion of the compression stroke being devoted to compressing the intake air, an Atkinson cycle engine does not take in as much air as would a similarly designed and sized Otto cycle engine.

Rotary Atkinson cycle engine

The Atkinson cycle can be used in a rotary engine.

This type of engine retains the one power phase per revolution, together with the different compression and expansion volumes of the original Atkinson cycle.

While a modified Otto cycle engine using the Atkinson cycle provides good fuel economy, it is at the expense of a lower power-per-displacement as compared to a traditional four-stroke engine.

The country was now full of Gazettes and Samuel C. Atkinson and Charles Alexander, who had just taken over Franklin's old paper, desired a more distinctive name.

Leaving the theatre after the performance, I had a flash of intuition that life, after all ( as Rilke said ), is just a search for the nonexistent cup of hot coffee, and that this unpretentious, moving, clever, bitter slice of life was the greatest thing to happen to the American theatre since Brooks Atkinson retired.

There is no distinction made in Scotland between assault and battery ( which is not a term used in Scots law ), although, as in England and Wales, assault can be occasioned without a physical attack on another's person, as demonstrated in Atkinson v. HM Advocate wherein the accused was found guilty of assaulting a shop assistant by simply jumping over a counter wearing a ski mask.

Atkinson was part of the Apple Macintosh development team and was the creator of the ground-breaking MacPaint application, among others.

The first series titled The Black Adder was written by Richard Curtis and Rowan Atkinson, while subsequent episodes were written by Curtis and Ben Elton.

The Black Adder was the first series of Blackadder and was written by Richard Curtis and Rowan Atkinson, and produced by John Lloyd.

John Atkinson ( editor ), current editor of Stereophile, stated ( in a 2005 July editorial named Blind Tests & Bus Stops ) that he once purchased a solid-state amplifier, the Quad 405, in 1978 after blind tests, but came to realize months later that " the magic was gone " until he replaced it with a tube amp.

After U. S. ownership of the region was confirmed in the Treaty of Ghent ( 1814 ), the U. S. built or expanded forts along the Mississippi and Missouri rivers, including adding to Fort Bellefontaine, and constructing Fort Armstrong ( 1816 ) and Fort Edwards ( 1816 ) in Illinois, Fort Crawford ( 1816 ) in Prairie du Chien Wisconsin, Fort Snelling ( 1819 ) in Minnesota, and Fort Atkinson ( 1819 ) in Nebraska.

On 24 August 2011, Marcus Atkinson, a local Loch Ness boat skipper, photographed a sonar image of a long 5 ft wide unidentified object which was apparently following his boat for two minutes at a depth of 75 ft. Atkinson ruled out the possibility of any small fish or seal being what he believed to be the Loch Ness Monster.

He was replaced by Ron Atkinson, who immediately broke the British record transfer fee to sign Bryan Robson from West Bromwich Albion.

The following season, with the club in danger of relegation by November, Atkinson was dismissed.

Bill Atkinson, a member of the Apple Lisa team, introduced him to Burrell Smith, a service technician who was soon hired earlier that year.

Excavations were once again carried out in 1978 by Atkinson and John Evans during which they discovered the remains of the Stonehenge Archer in the outer ditch, and in 1979 rescue archaeology was needed alongside the Heel Stone after a cable-laying ditch was mistakenly dug on the roadside, revealing a new stone hole next to the Heel Stone.

Their defensive secondary was extremely hard hitting and talented, led by safeties Jack Tatum, George Atkinson, cornerback Skip Thomas and cornerback Willie Brown.

Atkinson himself denied deliberately trying to injure anyone and pointed out that at 6 ' 0 and 185 pounds, he was one of the smallest players on the field.

SOAP was designed as an object-access protocol in 1998 by Dave Winer, Don Box, Bob Atkinson, and Mohsen Al-Ghosein for Microsoft, where Atkinson and Al-Ghosein were working at the time.

It was used at Atkinson Morley Hospital London in the 1990s and also at Massachusetts General Hospital.

The first EMI-Scanner was installed in Atkinson Morley Hospital in Wimbledon, England, and the first patient brain-scan was done on 1 October 1971.