文档介绍:National Standard of the People's Republic of China
Measurement Methods Power for Automotive Engines
GB/T 17692-1999
1. SCOPE
This standard stipulates the measurement methods power for automotive engines.
This standard applies to representation of curve as a function of engine speed of the power at full
load indicated by the manufacturer for bustion engines intended for the propulsion of
motor vehicles of categories M and N.
This standard applies to reciprocating piston engines (positive-ignition pression-ignition) or
rotary piston engines (positive-ignition pression-ignition), but excluding free piston
engines.
2. REFERENCE
The following standards contain provisions, which, through reference in this text, constitute
provisions of this standard. At time of publication the editions indicated were valid. All standards
are subject to revision, and parties to agreements based on this standard are encouraged to
investigate the possibility of applying the most recent editions of the standards indicated below.
SH 0041-1993 Automotive Unleaded Gasoline
3. DEFINITIONS
For the purposes of this standard:
"Approval of an engine" means the approval of an engine type with regard to power
measured in accordance with the procedure specified Annex C of this standard;
"Engine type" means a category of an engine for installation in a motor vehicle which does not
differ in such essential characteristics as those defined in Annex A to this standard;
"Net Power" means the power obtained on a test bench at the end of the crankshaft or its
equivalent at the corresponding engine speed with the auxiliaries listed in Table 1 of Annex C to
this standard, and determined under reference atmospheric conditions.
4. TYPE APPROVAL
If the power of the engine submitted for approval pursuant to this standard has been measured
according to the specifications of paragraph 5 below, approval of the engine type shall be
grante