EJEKTOINŽENJERINGEjectors · injectors · engineering
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About us

History, activity and people of Ejektoinženjering

Founded

EJEKTOINŽENJERING was founded in 1990 in Belgrade. Its head office is at Save Maškovića 2a, Belgrade.

Activity

Since its foundation the company has primarily designed and manufactured ejectors for all purposes, designed plants using ejectors and engineered the accompanying equipment.

In addition, EJEKTOINŽENJERING designs and engineers various installations in the process, chemical, food and pharmaceutical industries as well as in power engineering, mining, agriculture, metal and non-metal processing, pulp and paper production etc.

The company also provides:

  1. installation of the manufactured equipment;
  2. complete turnkey engineering;
  3. design documentation for pressure vessels, tanks, pipelines etc.;
  4. all kinds of work in the field of investment construction.

Cooperation with other companies

We cultivate cooperation with many companies – with suppliers of equipment and materials, reflected in long-standing relationships, and with the companies where our ejectors and other equipment are installed. Several of them have used our ejectors for various purposes for many years.

Timeline

  1. 1960

    Dr Ljubomir Petrović graduates from the Faculty of Mechanical Engineering in Belgrade.

  2. 1968

    First ejectors delivered through the Yugoslav Authors’ Agency and the company “Slobodan Princip-Seljo”.

  3. 1981

    PhD thesis “Theoretical determination of optimal flow and geometric parameters of ejectors”.

  4. 1990

    Ejektoinženjering founded in Belgrade.

  5. 2000

    Prof. Aleksandar Petrović obtains his PhD; Department of Process Engineering, Faculty of Mechanical Engineering.

  6. 2015

    New generation: Andrija Petrović joins the company; later earns doctorates in mechanical engineering and machine learning and becomes assistant professor.

  7. today

    Ejectors for every purpose, plant design and a calculator for quick sizing.

People

Prof. Aleksandar Petrović, PhD, Mech. Eng.

Born 1962. Graduated from the Faculty of Mechanical Engineering in Belgrade in 1986 and obtained his PhD there in 2000 with the thesis “Determination of stresses in cylindrical shells of pressure vessels caused by local loads”. Full professor at the Faculty of Mechanical Engineering, University of Belgrade, Department of Process Engineering.

Asst. Prof. Andrija Petrović, PhD, PhD, Mech. Eng., MEcon

Born 1991. Graduated (BSc and MSc) from the Faculty of Mechanical Engineering in Belgrade in 2015 and from the Faculty of Business Economics, Singidunum University, in 2014 and 2016. Holds two doctorates – in mechanical engineering (Faculty of Mechanical Engineering) and in machine learning (Faculty of Organisational Sciences), University of Belgrade. Assistant professor at the University of Belgrade; in the company he leads calculations, development and digital tools (the ejector calculator).

Founder

Dr Ljubomir Petrović, Mech. Eng.

Graduated from the Faculty of Mechanical Engineering in Belgrade in 1960 and obtained his PhD there in 1981 with the thesis “Theoretical determination of optimal flow and geometric parameters of ejectors”.

Permanent associates

Snežana Filipović, BSc Econ.

Born 1970. Graduated from the Faculty of Economics in Belgrade in 1994.

Vesna Petrović, IT engineer

Born 1964. Graduated from the School of Applied Informatics in Belgrade.

References

Ejectors have been delivered since 1968 (through the Yugoslav Authors’ Agency and the company “Slobodan Princip-Seljo” until 1989) and since 1990 within Ejektoinženjering – for the food, chemical, pharmaceutical and process industries, power engineering, mining, water management and agriculture. A detailed reference list with purpose and motive/suction fluids is available on request.