CH212912A - Ribbed cylinders for air-cooled engines. - Google Patents

Ribbed cylinders for air-cooled engines.

Info

Publication number
CH212912A
CH212912A CH212912DA CH212912A CH 212912 A CH212912 A CH 212912A CH 212912D A CH212912D A CH 212912DA CH 212912 A CH212912 A CH 212912A
Authority
CH
Switzerland
Prior art keywords
air
cooled engines
cylinder
ribbed
cylinders
Prior art date
Application number
Other languages
German (de)
Inventor
Ringhoffer-Tatra-Werke A G
Original Assignee
Ringhoffer Tatra Werke Ag
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 Ringhoffer Tatra Werke Ag filed Critical Ringhoffer Tatra Werke Ag
Publication of CH212912A publication Critical patent/CH212912A/en

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02F—CYLINDERS, PISTONS OR CASINGS, FOR COMBUSTION ENGINES; ARRANGEMENTS OF SEALINGS IN COMBUSTION ENGINES
    • F02F1/00—Cylinders; Cylinder heads 
    • F02F1/02—Cylinders; Cylinder heads  having cooling means
    • F02F1/04—Cylinders; Cylinder heads  having cooling means for air cooling
    • F02F1/06—Shape or arrangement of cooling fins; Finned cylinders

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Cylinder Crankcases Of Internal Combustion Engines (AREA)

Description

  

  Rippenzylinder für luftgekühlte Motoren.    Bei luftgekühlten Ein- und     Mehrzylin-          dermotoren    führte man bisher die Zylinder  einzeln als vollkommene Rotationskörper aus,  wobei ihre Kühlrippen aus dem Vollen her  ausgearbeitet wurden, weil sich durch dieses  Verfahren viel dichtere Rippen als durch  Guss herstellen lassen.  



  Bei dem Rippenzylinder gemäss der Er  findung verläuft     eine    Rippe an der Ober  fläche des Zylinders von einem Ende zum  andern in fortlaufenden Schraubenwin  dungen.  



  Die schraubenförmig verlaufende Rippe  lässt sich durch einfachere Mittel ausführen  als eine Mehrzahl von zur Zylinderachse  senkrechten Rippen und ausserdem ist der  Zylinder steifer. Eine so ausgebildete Rippe    hat stets eine geringe Neigung zum Kühl  luftstrom, so dass die Luft besser aufgewir  belt wird und mehr Wärme vom Zylinder  ableitet.  



  Die anliegende     Zeichnung    zeigt ein Aus  führungsbeispiel des erfindungsgemässen Zy  linders. Der Zylinder 1 hat an seiner Ober  fläche von oben bis -unten eine     einzige,     schraubenförmig verlaufende Rippe 2.



  Ribbed cylinders for air-cooled engines. In the case of air-cooled single and multi-cylinder engines, the cylinders have so far been designed individually as complete bodies of revolution, with their cooling fins being worked out from the solid, because this process allows much denser fins to be produced than by casting.



  In the ribbed cylinder according to the invention, a rib runs on the upper surface of the cylinder from one end to the other in continuous windings.



  The helically extending rib can be implemented by simpler means than a plurality of ribs perpendicular to the cylinder axis and, moreover, the cylinder is more rigid. A rib designed in this way always has a slight tendency towards the flow of cooling air, so that the air is better whirled up and more heat is dissipated from the cylinder.



  The attached drawing shows an exemplary embodiment of the cylinder according to the invention. The cylinder 1 has a single, helically extending rib 2 on its upper surface from top to bottom.

Claims (1)

PATENTANSPRUCH: Rippenzylinder für luftgekühlte Motoren, dadurch gekennzeichnet, dass eine Rippe an der Oberfläche des Zylinders vom einen Ende zum andern in fortlaufenden Schraubenwin dungen verläuft. Claim to the patent: Ribbed cylinder for air-cooled engines, characterized in that a rib on the surface of the cylinder runs from one end to the other in continuous helical turns.
CH212912D 1938-12-01 1939-11-20 Ribbed cylinders for air-cooled engines. CH212912A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CS212912X 1938-12-01

Publications (1)

Publication Number Publication Date
CH212912A true CH212912A (en) 1940-12-31

Family

ID=5450776

Family Applications (1)

Application Number Title Priority Date Filing Date
CH212912D CH212912A (en) 1938-12-01 1939-11-20 Ribbed cylinders for air-cooled engines.

Country Status (1)

Country Link
CH (1) CH212912A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3705677A1 (en) * 1987-02-21 1988-09-01 Kloeckner Humboldt Deutz Ag Cylinder tube

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3705677A1 (en) * 1987-02-21 1988-09-01 Kloeckner Humboldt Deutz Ag Cylinder tube

Similar Documents

Publication Publication Date Title
CH212912A (en) Ribbed cylinders for air-cooled engines.
AT118915B (en) Compressorless internal combustion engine.
DE504946C (en) Cylinders of internal combustion engines with air-cooled cooling pads
DE473371C (en) Cylinder head for internal combustion engines as an air or mixture preheater
US1511023A (en) Internal-combustion engine
AT75316B (en) Process for cooling internal combustion engines using air.
DE363383C (en) Casting process for aluminum and aluminum alloys
AT84012B (en) Multi-cylinder four-stroke internal combustion engine.
AT93816B (en) Cylinders with cooling fins for internal combustion engines and process for their manufacture.
DE935033C (en) Cylinder head for internal combustion engines
DE366305C (en) Cylinder block for multi-cylinder internal combustion engines
DE563918C (en) Air cooling device for two- or multi-cylinder internal combustion engines
DE364481C (en) Air-cooled cylinder for engines
DE405695C (en) Cylinder block with cast water-cooled exhaust manifold for multi-cylinder two-stroke engines
AT94076B (en) Pistons for deflagration engines.
DE478291C (en) Standing, double-acting internal combustion engine
DE704735C (en) Two-stroke internal combustion engine
AT63173B (en) Piston cooling device for explosion engines with rotating cylinders.
DE331450C (en) Housing for engines with obliquely arranged cylinders
AT94118B (en) Cylinder head for multi-cylinder internal combustion engines.
AT111455B (en) Device for fastening the housing for driving the control shaft mounted on the cylinder head of internal combustion engines.
AT83465B (en) Valve seat for internal combustion engines.
AT83580B (en) Two-stroke internal combustion engine with cylinders facing each other.
AT33812B (en) Cylinder arrangement for multi-cylinder engines.
CH209214A (en) Internal combustion piston machine with compression of an air charge, in particular for fuel in the form of dust.