#HOLSET ENGINEERING CO [GB]

Variable geometry turbine

A variable geometry turbine comprises a turbine housing (4) defining a turbine chamber within which a turbine wheel (16) is mounted for rotation about a turbine axis (17). The turbine chamber has a ra…

DRIVE·Oct 12·2 min read

F01D17/165 HOLSET ENGINEERING CO [GB]

Compressor with secondary boost air outlet passage

A wastegated turbocharger comprises a turbine wheel (5) mounted to a shaft (8) for rotation within a turbine housing (4), which is provided with a wastegate valve assembly 18. A compressor wheel (7) r…

DRIVE·Dec 15·2 min read

F01D17/105 HOLSET ENGINEERING CO [GB]

Compressor

A compressor for compressing a gas comprises an impeller wheel (1) mounted within a housing (2) defining an inlet and an outlet (6). The inlet comprises an outer tubular wall (7) extending away from t…

DRIVE·Nov 3·2 min read

F04D29/4213 HOLSET ENGINEERING CO [GB]

Electric motor assisted turbocharger

A turbocharger comprises a turbine wheel and a compressor wheel mounted to a turbocharger shaft. An electric induction motor is provided for assisting rotation of the compressor wheel in predetermined…

DRIVE·Aug 4·1 min read

F01D15/10 HOLSET ENGINEERING CO [GB]

Variable geometry turbine

A variable geometry turbine has an annular inlet passageway defined between a radial wall of a moveable wall member and a facing wall of the turbine housing. The moveable wall member is mounted within…

DRIVE·Jul 7·2 min read

F01D17/105 HOLSET ENGINEERING CO [GB]

Variable geometry turbine

A variable geometry turbocharger comprises a turbine wheel (20) mounted within a turbine housing (23) on one end of a turbocharger shaft (22) for rotation about a turbocharger axis. The turbine housin…

DRIVE·Jun 9·1 min read

F01D17/143 HOLSET ENGINEERING CO [GB]

Compressor wheel assembly

A compressor wheel assembly comprises a compressor wheel (7) mounted to a rotating shaft (8), extending through a bore (21) provided along the rotational axis of wheel (7). The bore (21) has an inner …

DRIVE·Apr 28·1 min read

F02B39/00 HOLSET ENGINEERING CO [GB]

Compressor wheel assembly

A compressor wheel assembly comprises a compressor wheel (7) mounted to a rotating shaft (8), which extends through a bore provided along the rotational axis of the wheel (7). The wheel (7) is keyed t…

DRIVE·Apr 28·1 min read

F02B39/00 HOLSET ENGINEERING CO [GB]

Compressor wheel assembly

A compressor wheel assembly comprises a compressor wheel (7) mounted to a rotating shaft (8) which extends through a bore provided along the rotational axis of the wheel. The bore has a first axial po…

DRIVE·Apr 28·1 min read

F02B39/00 HOLSET ENGINEERING CO [GB]

Method of reducing high cyclefatigue of turbochargers

A method of reducing high cycle fatigue of a turbocharger fitted to an internal combustion engine in which fuel supply to the engine is controlled by an electronic engine management unit (ECU) in acco…

DRIVE·Mar 3·1 min read

F02D41/0007 HOLSET ENGINEERING CO [GB]

Oil sealing in a turbocharger

A turbocharger comprises a turbine wheel (4) mounted to a seal boss (19) provided at one end of a shaft (8) and a compressor wheel (6) mounted to the other end of the shaft (8). The shaft (8) rotates …

DRIVE·Feb 4·2 min read

F01D25/186 HOLSET ENGINEERING CO [GB]

Radial turbine with guide vanes for reducing vibrations

A turbine comprises a turbine wheel (11) having radial blades and supported in a housing (1) for rotation about an axis (12). An annular inlet passageway (4) extends radially inwards towards the turbi…

DRIVE·Jan 2·1 min read

F01D17/165 HOLSET ENGINEERING CO [GB]

Exhaust brake control system

A control system for an exhaust brake which operates to impede exhaust flow from a turbocharged combustion engine when the engine throttle is closed. The control system includes means for delaying app…

DRIVE·Aug 20·1 min read

F02D23/00 HOLSET ENGINEERING CO [GB]

Mixing fluid streams

Apparatus for mixing together two fluid streams comprises a first fluid conduit for carrying a first fluid stream between an inlet and an outlet, a venturi being provided in said first fluid conduit b…

DRIVE·Dec 11·2 min read

B01F25/312 HOLSET ENGINEERING CO [GB]

Turbocharger with wastegate

This invention relates to an actuator assembly for a turbocharger pressure control valve assembly (14) and a method of assembling a pressure control assembly of a turbocharger. The assembly comprises …

DRIVE·Nov 13·1 min read

F02B37/025 HOLSET ENGINEERING CO [GB]

Oil slinger for a turbocharger

Oil slinger for incorporation in a system for sealing the passage o f a rotating shaft (3) through an opening. The oil control device comprises an annular member (10) for rotation with said shaft (3) …

DRIVE·Oct 2·1 min read

F01D25/18 HOLSET ENGINEERING CO [GB]