Marcelo Moura De Oliveira

Title: Marcelo Moura De Oliveira: Piston Ring Inventor.

Introduction

Marcelo Moura De Oliveira is an inventor associated with Minas Gerais, Brazil. His patent work includes a piston ring design focused on segment geometry, manufacturing, and circularity.

Latest Patents

The provided information lists one patent for Marcelo Moura De Oliveira: Piston ring. The design may include a spacer or expansion element and two segments. The segments may have a radial dimension of approximately 1.50–1.90 mm and a height of approximately 0.30–0.40 mm. They may feature a concave profile, recesses of approximately 0.015–0.030 mm, and a clearance of approximately 0.150 mm.

The patent also describes winding the segments using a matrix box device and a roller. It specifies a circularity measure expressed as a Fourier-series decomposition, with amplitudes for orders higher than 10 no greater than 0.10 μm. The listed patent count is 1 patent.

Career Highlights

The supplied information associates De Oliveira with Mahle International GmbH and Mahle Metal Leve S.A. His listed invention concerns piston ring construction and manufacturing characteristics.

Collaborations

His listed coworkers include Rafael Antonio Bruno and Rafael Bettini Rabello. The information provided does not specify the projects or working relationships connecting them.

Conclusion

Marcelo Moura De Oliveira’s listed patent documents a piston ring design with defined segment dimensions, winding methods, and circularity criteria, reflecting his recorded contribution to mechanical engineering innovation.