Patents by Inventor Pekka T. Merilainen

Pekka T. Merilainen 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).

  • Gas flow restricting and directing device intended for flow measurement
    Patent number: 5088332
    Abstract: A gas flow directing and restricting device intended for flow measurement and having bilaterally located apertures (2) communicating via a measuring tube (3) to a measuring device (4) for measurement of pressure difference. Starting from aperture (2) and leading towards the inside boundary of flow tube (1), there are one or more baffles (5) either perpendicular to the longitudinal axis of tube (1) or inclined forwards against the direction of flow, whereby said baffles guide the flowing gas to aperture (2).
    Type: Grant
    Filed: December 7, 1989
    Date of Patent: February 18, 1992
    Assignee: Instrumentarium Corporation
    Inventors: Pekka T. Merilainen, Kari Eskelinen, Hannu E. Hanninen