Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Deutsche Versuchsanstalt fuer Luftfahrt eV
Original Assignee
Deutsche Versuchsanstalt fuer Luftfahrt eV
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Deutsche Versuchsanstalt fuer Luftfahrt eVfiledCriticalDeutsche Versuchsanstalt fuer Luftfahrt eV
Application grantedgrantedCritical
Publication of FR888500ApublicationCriticalpatent/FR888500A/fr
G01L23/00—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
G01L23/22—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 detecting or indicating knocks in internal-combustion engines; Units comprising pressure-sensitive members combined with ignitors for firing internal-combustion engines
Landscapes
Chemical & Material Sciences
(AREA)
Engineering & Computer Science
(AREA)
Combustion & Propulsion
(AREA)
Physics & Mathematics
(AREA)
General Physics & Mathematics
(AREA)
FR888500D1942-02-021942-11-23Dispositif pour relever un tracé d'indicateur sur des moteurs à combustion
ExpiredFR888500A
(fr)