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The Bryant Clyde C patent solves the following problem:
It is well known that as the expansion ratio in an internal combustion engine is increased, more energy obtained from burning gas and converted to kinetic energy and the thermodynamic efficiency of the engine increases. It is further understood that the increase in air charge density increases in both power and fuel economy by additional thermodynamic development. The objectives for a smooth machine is to provide a high-density charge, begin combustion at maximum density and then expand the gas as possible against a piston.
Our analysis of this patent is as follows:
Bryant Clyde C’s patent US 7222614 B2 deals with Internal combustion engine and working cycle.
invention concerns a method of deriving mechanical work from a burning gas in internal combustion engines and reciprocating internal combustion engine for carrying out procedures. invention includes methods and machinery to control the combustion charge densities, temperatures, pressures and turbulence to create a true expertise in the power cylinder to increase fuel economy, power and torque while minimizing polluting emissions. In embodiments, the method includes the steps of (i) an air service, (ii) control the temperature, density and pressure of the air charge, (iii) change in the air charge into a power cylinder the machine in such a position with a weight and density selected from a range of weight and density levels from below atmospheric weight and density bug -and than atmospheric weight and density introduced into the power cylinder, and (iv) then compressing the air charge from a lower-than-normal compression ratio, (v) cause a pre-determined number of charge-air and fuel to produce an inflammable mixture, (vi) cause the mixture ignited within the power cylinder, and (viii) allow the combustion gas to expand a against the piston cylinder operable to power with the expansion ratio in the cylinder power substantially greater than the compression ratio in the cylinder mechanical power. In addition to other advantages, the invention, a method is capable of a mean effective cylinder pressure from lower-than-normal in higher than normal. In preferred embodiments, the low effective cylinder pressure is selectively variable (and selectively different) all mentioned another during machine operation. In another image associated with constant speed, constant load operation, the low effective cylinder pressure is selected from the range and the machine configured, according to the present invention, as the mean effective pressure cylinder range limited, differing only in the amount needed to raise the power, torque and speed to the duty cycle of the machine designed.
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