Performance and development of internal combustion engines

The performance of internal combustion engines mainly includes dynamic performance and economic performance. The power performance refers to the power (torque) emitted by the internal combustion engine, indicating the amount of the internal combustion engine in the energy conversion, and the parameters indicating the dynamic performance are torque and power. Economic performance refers to the amount of fuel consumed when a certain power is emitted, indicating the quality of the energy conversion, and the parameters that indicate economic performance are thermal efficiency and fuel consumption rate.

The future development of internal combustion engines [3] will focus on improving the combustion process, improving mechanical efficiency, reducing heat loss and reducing fuel consumption rate; developing and utilizing non-petroleum fuels, expanding fuel resources; reducing harmful components in exhaust gases, reducing noise and vibration To reduce environmental pollution; to use high-pressure technology to further strengthen internal combustion engines and improve single-machine power; to develop composite engines, adiabatic turbo-combined engines, etc.; to use microprocessors to control internal combustion engines to operate under optimal conditions. Strengthening the study of structural strength to improve work reliability and longevity, continuously creating new types of internal combustion engine variable valves, changing the lift, changing the phase, and even stopping several cylinders, have not been able to continuously change the bore diameter during travel. But there is an equivalent.

This engine has a barrel-shaped cylinder with a round hole in the middle of the bottom of the barrel. There is also a cylinder, like a chopstick passing through a thick round cake and bonding. The chopstick is the shaft. This shaft also passes through the hole in the bottom of the barrel. The cake is also incorporated into the barrel and closed into a hollow. The cylinder cavity of the cylinder. The volume of this cylinder chamber can be varied, for example, as long as the barrel is fixed, the shaft can be twitched by mechanical means or hydraulic means.

The bottom of the barrel is cut from the edge of the round hole to the inner wall of the barrel, and a rectangular plate is inserted; the surface of the cake is cut from the round edge to the shaft, and a rectangular plate is inserted, and the two rectangular plates can divide the cylinder cavity into two. It becomes two sealed cylinder chambers, a first sealed cylinder chamber and a second sealed cylinder chamber. One of the sealed cylinder chambers is opened from the side of the rectangular plate of the barrel wall, filled with high-pressure gas, or charged into the oil-gas mixture and ignited; and the second sealed chamber is vented from the position of the rectangular wall between the barrel wall and the previous opening. Fix the barrel, the rectangular plate will turn the tortuous cake and the chopsticks, and vice versa.

The first sealed chamber stops supplying air from a minimum, inflated to a certain phase (rotation angle), which can be achieved by using a valve or controlling the supply of oil and gas. As the high pressure gas expands, the device continues to rotate and the air pressure in the first sealed cylinder chamber decreases until it is slightly below ambient pressure, which creates rotational resistance. Then the second rectangular plate needs to open a hole near the edge of the head, install a check valve, and liquefy it inward. If the original air pressure is appropriate, when the second rectangular plate is turned to the second opening, the air pressure of the first sealed cylinder chamber is exactly equal to or close to the ambient air pressure, which is the most economical. The third case is that there is still a small amount of residual pressure.

When two rectangular plates are about to meet, you need to avoid them. Then, the inside of the skirt of the bucket is engraved into a curved chute, and the sliding block is mounted, and the sliding block is connected with the second rectangular plate; a hollow cylinder is set on the side of the shaft passing through the bottom of the bucket, and the outer circular surface is engraved with a curved chute. , install the sliding block and connect with the first rectangular plate. The chute consists of a circle and a cycloid, which controls the rectangular plate to punch forward, withstand and withdraw. The bottom of the bucket and the cake are thick enough so they won't pull off. The second rectangular plate rotates with the cake in the direction of rotation; in the axial direction, it is controlled by the chute on the barrel, so it can still resist the bottom of the barrel when the volume is changed. By the same token, the first rectangular plate always fits against the inner surface of the cake.

The device converts the internal energy of the high-pressure gas into kinetic energy along a curved path on a force surface, which is a dynamic mechanical device. Conversely, it can also be reversed by mechanical action to produce compressed air or as a brake. Make a small-capacity compressor, make high-pressure oil and gas, match the ignition device, and then make a capacity power mechanical device to convert the internal energy of a large amount of high-temperature and high-pressure gas after combustion into kinetic energy, which is an engine.

The trajectory of its work is an arc, and it can change the capacity steplessly, which means that the engine displacement can be changed. With the throttle, the air pressure after combustion can be changed, and the speed can be flexibly changed; the displacement can be changed, and the transmission can be adapted to various loads within a certain range, and the above-mentioned "most economical" method is adopted. If multiple sets of rectangular plates are used opposite each other, the bending of the shaft can be alleviated; it is continuously exhausted, so the noise is low; multiple sets of cylinders can be connected to the wrong shaft, and the power is stable. It can minimize the residual pressure discharge, and can adopt the most economical conditions under different loads, so it is easy to use energy-saving technology.

As a type of engine, it is different from steam engines, piston engines and delta rotor engines. Called "variable capacitive arc cylinder engine."

Square tape measure

The retractable tape measure for sewing is available at different sizes:100cm/40inch,150cm /60inch ,180cm/72inch,200cm /79inch, 214cm/84cm. As a custom product supplier, Wintape provides custom service with cooperate logo. The retractable tape measure is compact and small with key chain. It offers double measurements in centimeters and inch.

Made of fiberglass, the Square Retractable Tape Measure For Sewing With Cooperate Logo is advantageous in:

  • Self-rewinding button
  • Customized making
  • in-1 tape
  • Eco-friendly production



It has auto lock mechanism, when you measurement work finished, press the centre button, the tapeline will retract into the case neatly and smoothly.


About Material

The tape measure is made of ABS case, PVC coated fiberglass. All the materials are eco-friendly, which pass ROHS and EN-71 tests. The lead content is less than 5ppm.


About Case Color

Case colors can be customized according to pantone code. We have stock for standard color, white and black.
We can make metal silver color and transparent color too.


About Custom Logo

Custom logo is available.
For 1-2colors logo, we will use silk printing
For full color logo, we will print it with heat transfer printing ,
And we also make normal sticker or epoxy plate logo sticker for single color or full color logo
For PU or real leather tape measure, we can make emboss logo
For Plush covered item,we can make embroidry logo



About Tape Colors

Standard tape colors are in white and black
We can make pink, green or other colors.
Full color design is available too.


About Tapeline Size

The standard length is 150cm/60inch and 100cm/40inches
We have longer one in length of 180cm/72inch and 200cm/79inch, and the maximum length is 214cm.

The maximun length for the square shape item is 1.5M/60inch,
Tape width is 7.5mm.



Mini Steel Measure Tape,1m Measure Tape,Steel Band Tape

Wintape Measuring Tape Company , https://www.wintapetape.com

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