Patent FR-1918-488429

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  • Tech classes: CPC F02B75/26: Engines with cylinder axes coaxial with, or parallel or inclined to, main-shaft axis; Engines with cylinder axes arranged substantially tangentially to a circle centred on main-shaft axis; CPC F01L7/08: Rotary or oscillatory slide valve-gear or valve arrangements with conically or frusto-conically shaped valves

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Year filed 1918
Year granted 1918
Office FR
Patent number 488429
Inventors Hjalmar Pålson
Inventor country SE
Inventor location
Applicant person Hjalmar Pålson
Applicant firm
Applicant type INDIV
Applicant is inventor? 1
Original title Perfectionnements aux tiroirs d'admission et d'échappement de moteurs à combustion interne à plusieurs cylindres
English title Improvements to the intake and exhaust spools of multi-cylinder internal combustion engines
Tech fields
Filing date 1918-01-16
Full specification filed date
Application number
Grant date 1918-06-27
Granted? 1
Publication date 1918-10-08
Supplementary to patent Patent SE-1916-12-06-Pålson
Related to aircraft? 1
Serial number
Patent agent Ch. Neulat
Assigned to
National tech categories FR 5.8
IPCs IPC F01L7/08, IPC F02B75/26
CPCs CPC F01L7/08, CPC F02B75/26
Family year 1916
First filing? 0
Cites these patents
Citations from after 1930 0
Application ID
INPADOC family ID
Number of text pages 3
Number of diagram pages 1
Number of figures 2
Number of claims 2