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US 10,246,657 B2Granted
Fuel blends for homogeneous charge compression ignition engines
AssigneePhillips 66 Company
InventorsYu Shi, Garry C. Gunter, Bradley M. Taylor
Life of this patent
Estimating the term…
Abstract
The present disclosure relates to novel hydrocarbon fuel blends that provide increased power and a broader operating range when utilized as fuel for homogeneous charge compression ignition engines.
Claims18
A fuel for a homogeneous charge compression ignition engine, comprising:
- (a) a mixture of hydrocarbons, each hydrocarbon in the mixture containing from 4 to 14 carbon atoms;
- (b) at least 20 wt. % n-paraffins;
- (c) at least 30 wt. % naphthenes;
- (d) 20 wt. % or less of aromatic hydrocarbons;
- (e) 5 wt. % or less of olefins.
2 more elements
A fuel for a homogeneous charge compression ignition engine, comprising:
- (a) at least 90 wt. % hydrocarbons containing from six to ten carbon atoms;
- (b) at least 20 wt. % normal paraffins;
- (c) at least 30 wt. % naphthenes;
- (d) 20 wt. % or less of aromatic hydrocarbons;
- (e) 3 wt. % or less of olefins.
2 more elements
A fuel for a homogeneous charge compression ignition engine possessing a dry vapor pressure equivalent of 8 psi (55 kPa) or less, and comprising:
- (a) hydrocarbons containing from 4 to 14 carbon atoms, wherein at least 75 wt. % of the hydrocarbons contain from 7 to 9 carbon atoms;
- (b) at least 25 wt. % n-paraffins;
- (c) at least 30 wt. % naphthenes;
- (d) 15 wt. % or less of aromatic hydrocarbons;
- (e) 3 wt. % or less of olefins.
2 more elements
Dependencies are inferred from the claim text.