Patent · US Active

Method for warming an internal combustion engine, and internal combustion engine

US9004020B2 · kind B2 · utility

1Cited by
21References
9Claims
0Family size

Assignee

Inventors

Key dates

Filing dateOct 10, 2012
Grant dateApr 14, 2015
Priority date
Expiry dateFeb 6, 2033

Classification

  • Technology area (CPC F)Mechanical Engineering; Lighting; Heating
  • CPC primaryF01P2037/02
  • WIPO fieldEngines, pumps, turbines
  • WIPO sectorMechanical engineering

Abstract

The disclosure relates to a method for expediting warm up of an internal combustion engine cylinder block and engine oil utilizing an existing oil coolant circuit. A method for warming up an internal combustion engine with at least one cylinder, a cylinder block which is formed by an upper crankcase half mounted to a lower crankcase half, said lower crankcase half containing an oil sump which is fed, via a supply line, by a coolant jacket, an inlet side of said coolant jacket supplied in turn with oil via the oil sump by an oil pump, the method comprising: releasing oil from the coolant jacket via gravity to reduce a cooling capacity of the internal combustion engine.

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