The splashing huilor allows an abundant lubrication by soaking of the zone to lubricate in oil.
| constant 
          level huilor:  see explanation | ||
|   |  " 
            Denco" model even made. | |
|  | ALVOR model of Lunkenheimer | detail | 
| variable level huilor :  
          The filling is done by the top of the oiler. A part in glass facilitates 
          the surveillance. Sometimes the level also served for the filling | ||
|  | Huiler with filling stopper screwed.  The glass 
          walls allow the monitoring of the oil level The low screw facilitates draining. | |
|  | Entirely polished foundry piece Huilor 
            with encased lid and draining live  | |
|  | The glances are used for sometimes to fill the machines with oil | detail |