Patents by Inventor Erkki Kalmari

Erkki Kalmari has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Method and arrangement for producing biogas
    Publication number: 20200181550
    Abstract: The invention relates to a method and an arrangement for biogas production. The idea is to use the upper section of recovered percolation fluid for moistening the biomass and return the percolation fluid deliberated from the biomass to the bottom section of the fluid reactor.
    Type: Application
    Filed: October 6, 2017
    Publication date: June 11, 2020
    Applicant: Metener Oy
    Inventors: Erkki KALMARI, Johanna KALMARI, Luostarinen JUHA
  • Gas intensifier with lubrication
    Publication number: 20200040882
    Abstract: A hydraulically driven intensifier for increasing pressure of gas comprising a piston-driven compression chamber for gas, operatively connected to an adjacent hydraulic chamber, with lubricant coupling in the compression chamber of the intensifier to circulate the lubricating fluid for cooling and lubricating the piston. A multistage compression system for gas, comprising the aforementioned intensifier, preferably several thereof operatively connected in series.
    Type: Application
    Filed: October 6, 2017
    Publication date: February 6, 2020
    Applicant: Metener Oy
    Inventors: Erkki KALMARI, Johanna KALMARI, Juha LUOSTARINEN
  • Apparatus and method for pressurising biogas in a gas washer
    Publication number: 20060144229
    Abstract: A pressurization apparatus (201) for biogas includes a biogas inlet pipe (211) having at least a biogas feeding element (213), a biogas outlet pipe (221) having at least a cut-off element (222, 223), a washing water inlet pipe (231) having at least a washing water pressurization device (232), a washing water outlet pipe (241) having at least a cut-off valve (242), the apparatus being controlled either manually or automatically.
    Type: Application
    Filed: August 30, 2002
    Publication date: July 6, 2006
    Inventor: Erkki Kalmari