Patents by Inventor Pasi Pennanen

Pasi Pennanen 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).

  • Control of the electric motors of a pump unit of a fire protection system
    Patent number: 9302130
    Abstract: A fire protection system is provided including spray nozzles a pump unit, a control system with pressure-measuring mechanism, and piping for conducting extinguishing medium from the pump unit to the spray nozzles. The pump unit includes pump drives, each of which comprises a pump and an AC electric motor. The AC motor can be connected to an AC electricity network via a contactor device, in which pump unit the AC electric motors are controlled on the basis of the pressure measured in the piping. One of the electric motors is controlled by means of a frequency converter such that the motor steplessly adjusts pressure and the others are started up into the network as steplessly adjusting motors.
    Type: Grant
    Filed: October 21, 2011
    Date of Patent: April 5, 2016
    Assignee: MARIOFF CORPORATION OY
    Inventors: Markku Aho, Vesa Kettunen, Pasi Pennanen
  • INTELLIGENT SPRINKLER SYSTEM SECTION VALVE
    Publication number: 20150297925
    Abstract: Embodiments are directed to a sprinkler system (200) having a valve (204, 206, 208, 352) for discharging a liquid to suppress fire, a sensor (214) disposed at the valve, the sensor configured to provide an output indicating a flow of liquid, and a processor disposed at the valve, the processer processing the output of the sensor to provide an indication of liquid flow at the valve.
    Type: Application
    Filed: November 30, 2012
    Publication date: October 22, 2015
    Applicant: Marioff Corporation Oy
    Inventors: Juha-Pekka Nikkarila, Pasi Pennanen
  • Control of the Electric Motors of a Pump Unit of a Fire Protection System
    Publication number: 20130228345
    Abstract: Control method and control apparatus of the electric motors of a pump unit of a fire protection system, which fire protection system comprises spray nozzles (112), a pump unit, a control system with pressure-measuring means, and piping (105) for conducting extinguishing medium from the pump unit to the spray nozzles, which pump unit comprises pump drives, each of which comprises a pump (101) and an AC electric motor (102, 203a-203f) rotating it, which AC motor can be connected to an AC electricity network via a contactor device (206a-f), in which pump unit the AC electric motors are controlled on the basis of the pressure to be measured in the piping, and in which one of the electric motors (102, 203a-203f) at a time is controlled by means of a frequency converter (108, 204) such that the motor to be controlled with the frequency converter operates as a motor that under the control of the frequency converter steplessly adjusts pressure and the others are started up into the network as steplessly adjusting mot
    Type: Application
    Filed: October 21, 2011
    Publication date: September 5, 2013
    Applicant: MARIOFF CORPORATION OY
    Inventors: Markku Aho, Vesa Kettunen, Pasi Pennanen
  • Sound reproduction apparatus
    Patent number: D848393
    Type: Grant
    Filed: March 23, 2017
    Date of Patent: May 14, 2019
    Assignee: FLEXOUND SYSTEMS OY
    Inventors: Pasi Pennanen, Jukka Linjama, Leena Peltokallio, Hanna Oksanen