Harri Hakala

发表

Energy-Efficient Elevators for Tall Buildings

Harri Hakala, Marja-Liisa Siikonen, Tapio Tyni, 2001 .

The method of operation of the holding brake of the elevator and / or to determine the condition, and the holding brake

Harri Hakala, Jorma Mustalahti, Tauno Pajala, 1998 .

Luomusikojen ruokinta: osa I: luomuvaatimukset ruokinnalle, rehujen ominaisuuksia (multimedia 46 min), osa II: Luomusikojen ruokinnan suunnittelu, ravinnontarve tuotantovaiheittain (multimedia 52 min)

Harri Hakala, Kirsi Partanen, Eero Mattila, 2011 .

A study for improving the energy efficiency of lifts with adjustable counterweighting

Matti Lehtonen, Harri Hakala, Marja-Liisa Siikonen, 2017 .

Traction sheave elevator with drive machine below befindlicher

Harri Hakala, Esko Aulanko, 1994 .

A method and apparatus for measuring the load of an elevator

Harri Hakala, Esko Aulanko, Jorma Mustalahti, 1996 .

Elevator Motor damper

Harri Hakala, Esko Aulanko, Jorma Mustalahti, 1995 .

Ascenseur à poulie de traction

Harri Hakala, Esko Aulanko, Jorma Mustalahti, 1994 .

Disposal in a hole in the wall of an elevator shaft and the instrument panel.

Harri Hakala, Esko Aulanko, Jorma Mustalahti, 1995 .

The elevator machine

Harri Hakala, Esko Aulanko, Jorma Mustalahti, 1994 .

The elevator machinery emergency drive unit

Harri Hakala, Esko Aulanko, Jorma Mustalahti, 1995 .

Explicit method to predict annual elevator energy consumption in recurring passenger traffic conditions

Matti Lehtonen, Harri Hakala, Toni Tukia, 2016 .

Traction sheave elevator, hoisting device and engine

Harri Hakala, Esko Aulanko, Jorma Mustalahti, 1995 .

THE ADVANTAGE OF PMSM TECHNOLOGY IN HIGH RISE BUILDINGS

Harri Hakala, Johannes de Jong, 2000 .

The elevator machinery angle measuring equipment belonging to a synchronous machine and a method for detecting the position of the motor hub

Harri Hakala, Esko Aulanko, Jorma Mustalahti, 1994 .

Energy consumption of escalators in low traffic environment

Matti Lehtonen, Harri Hakala, Dirk Lange, 2016 .

The arrangement for opening the elevator machine brake

Harri Hakala, Esko Aulanko, Jorma Mustalahti, 1996 .

The counterweight of the elevator motor

Harri Hakala, 1993 .

Lift Emergency engine driving device

Harri Hakala, Esko Aulanko, Jorma Mustalahti, 1995 .

A method for starting an elevator

Harri Hakala, Esko Aulanko, Jorma Mustalahti, 1995 .

Elevator drive and give

Harri Hakala, Esko Aulanko, Jorma Mustalahti, 1998 .

Traction sheave elevator, lift assembly and machinery space.

Harri Hakala, Esko Aulanko, Jorma Mustalahti, 1995 .

The elevator control system

Harri Hakala, Esko Aulanko, Jorma Mustalahti, 1997 .

The arrangement for connecting the elevator machine building

Harri Hakala, Esko Aulanko, Jorma Mustalahti, 1994 .

The elevator machine, its engine and brake

Harri Hakala, Esko Aulanko, 1994 .

Practices to improve the annual elevator energy consumption estimates and measurements

Matti Lehtonen, Harri Hakala, Toni Tukia, 2016 .

arranged in the counterweight an elevator machinery / motor

Harri Hakala, 1993 .

System and method for charging for a communication network and communication network server for this purpose

Harri Hakala, Robert Törnkvist, Matti Halkosaari, 2002 .

Elevator drive, and an elevator

Harri Hakala, Esko Aulanko, Jorma Mustalahti, 1997 .

Arrangements for fixing the elevator rope and use the conductor hiss in the support body

Harri Hakala, Esko Aulanko, Jorma Mustalahti, 1994 .

System and billing method in a communication network and a billing server of a communications network.

Harri Hakala, Robert Törnkvist, Matti Halkosaari, 2002 .

The elevator motor

Harri Hakala, Esko Aulanko, Jorma Mustalahti, 1994 .

Traction sheave type elevator furnished with drive machine below

Harri Hakala, Esko Aulanko, アウランコエスコ, 1994 .

Traction sheave elevator and the traction sheave elevator machinery space

Harri Hakala, Esko Aulanko, Jorma Mustalahti, 1994 .

Diameter Credit-Control Application

Harri Hakala, John Loughney, Marco Stura, 2005, RFC.

Gebuehrenberechnung in a communication network

Harri Hakala, Leena Mattila, Hans Christian Ahlbaeck, 2003 .

Method for mounting elevator machinery in building

Harri Hakala, Esko Aulanko, Jorma Mustalahti, 1994 .

A device in an opening in the wall of an elevator shaft and the instrument panel

Harri Hakala, Esko Aulanko, Jorma Mustalahti, 1995 .

Traction sheave elevator with drive motor in lower position.

Harri Hakala, Esko Aulanko, 1994 .

Traction elevator and engine room for a traction elevator

Harri Hakala, Esko Aulanko, Jorma Mustalahti, 1995 .

Method and apparatus for evacuating a building or a part thereof

Harri Hakala, Marja-Liisa Siikonen, Jong Johannes De, 2003 .

The arrangement of the elevator shaft wall opening and dashboard

Harri Hakala, Esko Aulanko, Jorma Mustalahti, 1994 .