Accessory unit for an engine of a vehicle and an engine equipped with said unit

Claim 2

An accessory unit for mounting on a vehicle engine having a crankshaft, said unit comprising a body relative to which are mounted component accessories of said engine, said accessories comprising an oil pump, a petrol pump and a fan, means for fixing the unit to a corresponding face of the engine, a shaft which has an axis adapted to be disposed parallel to the axis of said crankshaft and is adapted to be driven by said crankshaft, said shaft being rotatably mounted in said body and carrying a gear of said oil pump which is of the gear type, a cam for actuating said petrol pump and a bevel gear meshed with a bevel gear integral with a secondary shaft drivingly connected to said fan.

Claim 3

An accessory unit as claimed in claim 1, wherein said body has an oil filter mounted thereon.

Claim 4

An accessory unit as claimed in claim 1, comprising an oil pump having intermeshing gears, cavities in said body receiving said gears, an intake conduit and a delivery conduit in said body for the oil pump, an oil filter inserted in said delivery conduit, said body further comprising a chamber in which is disposed a valve and a discharge conduit which is capable of putting said delivery conduit in communication with said inlet conduit under predetermined operational conditions.

Claim 5

An accessory unit as claimed in claim 3, comprising means for producing a leakage from the oil pump for lubricating the accessories disposed in the body, and a conduit for returning the leakage oil to the engine and ensuring that a predetermined oil level exists within the body.

Claim 6

An accessory unit as claimed in claim 1, further comprising a water pump combined with said secondary shaft to be driven.

Claim 7

A structure comprising in combination a vehicle engine comprising a face which is substantially plane and an accessory unit having a body relative to which component accessories of said engine are mounted, said accessories comprising an oil pump, a petrol pump and a fan, means fixing said unit to said face, a shaft which has an axis adapted to be disposed parallel to the axis of said crankshaft and is adapted to be driven by said crankshaft, said shaft being rotatably mounted in said body and carrying a gear of said oil pump which is of the gear type, a cam for actuating said petrol pump and a bevel gear meshed with a bevel gear integral with a secondary shaft drivingly connected to said fan, and said unit comprising conduits communicating with said accessories and said engine having conduits opening onto said face in alignment with said conduits of said unit.

Claim 8

A structure comprising in combination a vehicle engine comprising a face which is substantially plane and an accessory unit having a body relative to which component accessories of said engine are mounted, said accessories comprising an oil pump, a petrol pump and a fan, means fixing said unit to said face, a shaft which has an axis adapted to be disposed parallel to the axis of said crankshaft and is adapted to be driven by said crankshaft, said shaft being rotatably mounted in said body and carrying a gear of said oil pump which is of the gear type, a cam for actuating said petrol pump and a bevel gear meshed with a bevel gear integral with a secondary shaft drivingly connected to said fan, and said unit comprising conduits communicating with said accessories and said engine having conduits opening onto said face in alignment with said conduits of said unit.