Apparatus for preconditioning hydrocarbon fuel vapour for i.c. engines

摘要

The apparatus comprises a first heated vessel 112 integral with or attached to the exhaust manifold 122 and communicating with a second pressurised vessel 114 containing a heating element 115. A compressor 111 for introduces gases containing fuel vapour into the pressurised vessels 112, 114 and a pressure regulator 113 maintains a predetermined gas pressure of typically 5 to 10 atmospheres in the pressurised vessels 112, 114. The gases containing fuel vapour are heated in the pressurised vessels 112, 114 for a sufficient time and at a sufficient temperature and pressure for the chemical composition of a substantial proportion of the fuel vapour to be modified before they are dispensed by a gas metering valve 119 into the air intake system 116 of the engine 100.