Patent · US Active

Welded engine block for small internal combustion engines

US9581106B2 · kind B2 · utility

0Cited by
27References
19Claims
0Family size

Assignee

Inventors

Key dates

Filing dateDec 12, 2014
Grant dateFeb 28, 2017
Priority date
Expiry dateFeb 16, 2035

Classification

  • Technology area (CPC F)Mechanical Engineering; Lighting; Heating
  • CPC primaryF02B2275/02
  • WIPO fieldEngines, pumps, turbines
  • WIPO sectorMechanical engineering

Abstract

A small air-cooled internal combustion engine includes an aluminum cylinder block, an aluminum cylinder head welded to the aluminum cylinder block, and a weld securing the aluminum cylinder block to the aluminum cylinder head, wherein a joint having a first length is formed between the aluminum cylinder block and the aluminum cylinder head and wherein the weld extends for a second length that is at least 25% of the first length.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.