FR431491A - Improvements to hedgehog gears - Google Patents

Improvements to hedgehog gears

Info

Publication number
FR431491A
FR431491A FR431491DA FR431491A FR 431491 A FR431491 A FR 431491A FR 431491D A FR431491D A FR 431491DA FR 431491 A FR431491 A FR 431491A
Authority
FR
France
Prior art keywords
hedgehog
gears
hedgehog gears
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
Karl Alquist
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 FR431491A publication Critical patent/FR431491A/en
Expired legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H55/00—Elements with teeth or friction surfaces for conveying motion; Worms, pulleys or sheaves for gearing mechanisms
    • F16H55/02—Toothed members; Worms
    • F16H55/14—Construction providing resilience or vibration-damping
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D9/00—Priming; Preventing vapour lock
    • F04D9/04—Priming; Preventing vapour lock using priming pumps; using booster pumps to prevent vapour-lock
    • F04D9/06—Priming; Preventing vapour lock using priming pumps; using booster pumps to prevent vapour-lock of jet type

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
FR431491D 1910-12-12 1911-06-22 Improvements to hedgehog gears Expired FR431491A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB431491X 1923-10-23

Publications (1)

Publication Number Publication Date
FR431491A true FR431491A (en) 1911-11-11

Family

ID=10427525

Family Applications (1)

Application Number Title Priority Date Filing Date
FR431491D Expired FR431491A (en) 1910-12-12 1911-06-22 Improvements to hedgehog gears

Country Status (2)

Country Link
DE (1) DE431491C (en)
FR (1) FR431491A (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1183376B (en) * 1958-06-06 1964-12-10 Dr Ernst Lange Device for venting centrifugal pumps during their operation with a venting pipe arranged near the hub of the impeller

Also Published As

Publication number Publication date
DE431491C (en) 1926-07-12

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