FR497234A - Self-cleaning gas extractor - Google Patents

Self-cleaning gas extractor

Info

Publication number
FR497234A
FR497234A FR497234DA FR497234A FR 497234 A FR497234 A FR 497234A FR 497234D A FR497234D A FR 497234DA FR 497234 A FR497234 A FR 497234A
Authority
FR
France
Prior art keywords
self
cleaning gas
gas extractor
extractor
cleaning
Prior art date
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.)
Expired
Application number
Other languages
French (fr)
Inventor
Leon Trefois
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Application granted granted Critical
Publication of FR497234A publication Critical patent/FR497234A/en
Expired legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
    • F04C18/00—Rotary-piston pumps specially adapted for elastic fluids
    • F04C18/08—Rotary-piston pumps specially adapted for elastic fluids of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing
    • F04C18/12—Rotary-piston pumps specially adapted for elastic fluids of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of other than internal-axis type
    • F04C18/14—Rotary-piston pumps specially adapted for elastic fluids of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of other than internal-axis type with toothed rotary pistons
    • F04C18/20—Rotary-piston pumps specially adapted for elastic fluids of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of other than internal-axis type with toothed rotary pistons with dissimilar tooth forms

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
FR497234D 1917-10-24 1919-03-18 Self-cleaning gas extractor Expired FR497234A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
BE497234X 1917-10-24

Publications (1)

Publication Number Publication Date
FR497234A true FR497234A (en) 1919-11-29

Family

ID=1532579

Family Applications (1)

Application Number Title Priority Date Filing Date
FR497234D Expired FR497234A (en) 1917-10-24 1919-03-18 Self-cleaning gas extractor

Country Status (1)

Country Link
FR (1) FR497234A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2665057A (en) * 1952-06-18 1954-01-05 Walter Hellmuth Rotary blower

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2665057A (en) * 1952-06-18 1954-01-05 Walter Hellmuth Rotary blower

Similar Documents

Publication Publication Date Title
FR497234A (en) Self-cleaning gas extractor
FR514655A (en) Firearms Improvements
FR521856A (en) Advanced gas burner
FR485574A (en) Petroleum gas stove
FR502844A (en) Automatic gas-driven rifle
FR503115A (en) Automatic gas-driven rifle
FR521120A (en) Firearms Improvements
FR519498A (en) Gas burner
FR511490A (en) Gas burner
FR490894A (en) Burner for gas stoves
CH76025A (en) Burner for gas stoves
FR483215A (en) Gas stove
DK22320C (en) Device for gas hobs.
DK23915C (en) Device for gas hobs.
FR520302A (en) Gas burner
CH77769A (en) Stove
FR500945A (en) Gas torch
FR491393A (en) Recovery oven
CH80376A (en) Gas heater
FR498964A (en) Igniter for gas appliances
FR24631E (en) Gas stove system
FR490756A (en) Steam or gas ejector
FR487021A (en) Recovering flue stove
DK18987C (en) Gas oven.
DK18627C (en) Gas oven.