IPC Subgroup
G01L 23/24 for measuring pressure in inlet or exhaust ducts of internal-combustion engines
Introduced: September 1968
Last revised: January 2006
Full Title
Devices or apparatus for measuring or indicating or recording rapid changes, such as oscillations, in the pressure of steam, gas, or liquid; Indicators for determining work or energy of steam, internal-combustion, or other fluid-pressure engines from the condition of the working fluid > for measuring pressure in inlet or exhaust ducts of internal-combustion engines
Classification Context
- Section:
- PHYSICS
- Class:
- MEASURING; TESTING
- Subclass:
- MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
Related Keywords
measuring pressure in EXHAUST from enginesmeasuring pressure in INLET to engines