Sentences with phrase «valve closes»

Normally this valve closes when the heart contracts and this closure prevents blood from going back into the atrium so that normal all the blood goes to the body.

The next step, as per the service manual for this car is to test if the purge valve closes properly and does not leak.

In Track mode, a spring - loaded passive valve closes to allow virtually unrestricted exhaust flow for maximum performance.

The vent control valve closes when the ECM performs the leak test of the EVAP system.

«In a normal Otto cycle, the valve closes and you've got a vacuum in there.

Get off the pedal and the valve closes down to the idle setting (very slightly open).

The intake valve closes at the bottom of the piston stroke

There are engines in existence that do alter the geometry or retard the valve closing to alter the compression ratio, but that is not boost related.

It doesn't use direct injection, but the V - 6 does have a new version of iVTEC that can not only switch between high and low cam lobes, but on the rear bank of cylinders, can keep the valves closed completely.

Electronically - controlled valves close off two pipes at lower engine speeds, then open up to unleash the full - blown hellish din at full throttle and crackles under deceleration.

As the downstroke begins the pressure in the cylinder is high allowing the exhaust gases to escape and forcing the intake reed valve closed.

The V10 fires with a bang, then settles into a raucous idle until the engine begins to warm and the exhaust bypass valves close.

An Audi - developed valve lift system counters with greater power and later intake valve closing at higher revs.

For low - rpm torque, the solenoid valve is opened near the end of the cam profile, leading to early intake valve closing.

Thus instead of throttling and creating a vacuum above the downward moving piston (when reduced power is required) you just let the engine breath easy but reject some of the intake air by early or late intake valve closing.

Low - rpm torque is improved by up to 15 % through early intake valve closing strategies that maximize the air mass trapped in the cylinders;

A way to look at Variable Valve Actuation (VVA) is to picture the intake valve closed early or left open late enough to «expel back» enough of the incoming air to reduce power.

Intake valve closing concepts

For starters, engineers adapted the V8 to operate with late intake valve closing (Atkinson - cycle combustion process) for fuel economy gains.

throttleless operation, using valve - head load control can be achieved by either early or late intake valve closing.

The Atkinson cycle itself reduces the pumping loss through its late intake valve closing time, while enhancing fuel savings by increasing the expansion ratio relatively.

But if the intake valves close here, there is too much air inside the cylinder when only a small amount of air is needed at lower engine loads.

The late intake valve closing of the Atkinson cycle reduces pumping losses and boosts fuel economy.

OPTION PACKAGES: SEAT ADJUSTER, AM / FM STEREO WITH MP3 COMPATIBLE CD PLAYER: seek - and - scan, digital clock, auto - tone control, Radio Data System (RDS), speed - compensated volume and TheftLock (STD), TRANSMISSION, AUTOMATIC, ELECTRONIC.: (STD), ENGINE, VORTEC 6.0 L VARIABLE VALVE TIMING V8 SFI HYBRID, LIVC: with Active Fuel Management and late intake valve closing, aluminum (332 hp [247.5 kW] @ 5100 rpm, 367 lb - ft of torque [495.4 N - m] @ 4100 rpm)(STD).

The Audi TFSI intake valves close much earlier than usual; in connection with increased pressure in the intake manifold, this reduces throttling losses.

Due to early intake valve closing in the Miller combustion cycle, volumetric efficiency is lower than for an engine with standard valve timing.

Reduction of the final compression temperature through early intake valve closing and resulting expansion cooling in the intake stroke.

Early intake valve closing — well before the bottom dead center is reached — lowers the pressure, allowing a high, efficiency - boosting compression ratio.

When the steeper half of the cam is active, the valve lift is increased and the valves remain open for longer; switching to the flatter half of the cam shortens the valve lift, and the valves close sooner.

gas engine with late intake valve closing have substantial power ratings and either can be used alone to propel the vehicle.

This forces the PCV valve closed so that the backfire flame can't reach the crankcase, where it could ignite flammable fumes and cause damage.

It dulls throttle response, shifts up earlier and more softly, and keeps the exhaust valves closed until 5,000 rpm to improve fuel efficiency.

Because the intake valves close late in an Atkinson Cycle engine, compression is delayed.

Hydraulic Pressure - OK Valve closed 11.

The lub - dub sound is made by the heart valves closing as blood exits the heart chamber.

The two separate sounds are the result of multiple valves closing as blood flows through the heart.

Aluminum sulphate spilled in the plant due to failure to keep all necessary valves closed, as required by that approva...

Not exact matches

The company's closest rival is Medtronic and analysts expect the entry of Boston Scientific's valve into the market by late 2018 to further heat up the competition.

«Closing valves on major pipelines can have unexpected consequences endangering people and the environment.

Boston Scientific Corporation (NYSE: BSX) announced Tuesday after the close a delay to earlier timelines that were established for commercialization of the LOTUS Edge Aortic Valve System in Europe and the U.S..

When the soil (and the wood) dry out again, the wood contracts, the rubber hose opens and lets water drip, just enough to cause the simple valve to close again.

Make sure to close the valve properly and let it cook at the default setting.

Close and lock lid of cooker; turn pressure release valve to sealing position.

Put the IP LID and set the floating valve at CLOSED.

Now secure the lid, close off the pressure valve and press the Bean / Chili button.

Close and lock lid; set pressure release valve to «sealing» position; set Manual timer to 15 minutes and allow natural pressure to fully release on its own before opening the lid.

Press cancel, secure lid, close off pressure valve then press manual to high pressure and press the up button until the time hits 30 minutes.

Close the lid, turn the valve to sealing, and pressure cook for about 1/2 the time written on the pasta box — in my case was 6 - 7 minutes, but pipe require a longer time usually, so I went for 4 minutes in the IP.

Close the valve (seal).

The league has yried that but liverpool even us with coqueluin in and liverpool won pace and pressure and if we add pass on flanks wilshere can be a release valve with his quick feet and first 10 yards of pace a lay off to ozil for a quality ball and pace will close them down and stretch them out