Transcript JAQUET AG
04-04
www.jaquet.com
JAQUET Products for
VG-Turbochargers and Turbobrakes
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Mission Statement
To design, manufacture, market and service both standard
and customized products that
detect, measure, diagnose and control SPEED under any
circumstances.
To create a competitive edge for our customers’
To be dedicated to excellence and continuously develop
innovative new solutions
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applications, and secure high quality and reliability
standards
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Markets served
Mobile Hydraulics
Speed-Measurement
Overspeed Protection
Position Control
Gas- Steam and Water-Turbines
Speed measurement
Pole wheels and Pole bands
Speed-Sensors for all applications
Overspeed Protection
Railway Systems
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Brake Control
Feedback Loop for Propulsion System
Door Interlock
Black Box Information
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Diesel- and Gas-Motors
Cam- and Crank-Shaft speed
Turbocharger Speed
Overspeed Protection
Engine Diagnostics
Industrial Applications
i. e. Textile machines
Speed of Spinning Head
Operator Protection
Automotive Applications
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Speed of VG Turbocharger
Cam- and Crank-Shaft speed
Engine Diagnostics
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Markets served
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The JAQUET Technology Group has
4 basic designs of speed sensors for these
applications:
VR-Sensor
standard
VR-Sensor
LC
HF-Sensor
„NOVA / ECON“
EC-Sensor
“HERMES”
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Speed Sensors for Turbochargers
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VR-Speed Sensor
Standard
Various executions Also for small quantities
Large field experience in medium to
high temperature applications
Shielded Teflon cable for
connection
Coil on former technology
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Detecting a flat on a steel shaft
Standard
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VR-Speed Sensor
Option:
With plastic housing (PPS) for
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temperatures up to 390°F / 200°C
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Standard
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VR-Speed Sensor
Option:
With stainless steel housing for
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temperatures up to 570°F / 300°C
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Standard
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VR-Speed Sensor
Option:
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With line amplifier in the connector
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low cost
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VR-Speed Sensor
Medium or high
temperature applications
Detecting a flat on a
steel shaft
Free Teflon wires for
Coil on former technology
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connection
low cost
Epoxy body for lowest cost (temperature limit 390°F / 200°C)
Open lead wires in Teflon quality
AMP (or customer required connector)
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VR-Speed Sensor
low cost
Stainless steel housing for temperatures up to 570°F / 300°C
Open lead wires in Teflon quality
AMP (or customer required connector)
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VR-Speed Sensor
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HF-Sensor ECON
HF-Technology
Detecting the blades of the
compressor impeller
Shielded Teflon cable for
connection
Coil on former technology
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Electronic signal treatment in the
connector
ECON
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HF-Speed Sensor
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HERMES
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EC-Speed Sensor
A new generation of “Eddy-current”
Speed Sensor for VG-Turbochargers
in Passenger Cars
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„HERMES“
HERMES
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Structure of inner parts
A robust coil system is connected to
the shielded lead wire cable
EPOXY
Temperature resistance of sensor
head = 390°F / 200°C
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All inner parts are over moulded with
HERMES
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Structure of inner parts
A 3 pin AMP superseal-connector
containing signal treatment electronics
Additional functionality as per
Cable entry and electronic is protected
by a thermelt over-mould
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definition
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Speed Sensor Properties
HERMES
5 VDC power supply; square wave output signal
Able to detect Aluminum and Titanium blades of small
dimensions
Suitable to detect speed values up to 300’000 min-1 at 8..10
blades of compressor wheel
Proven solution for Turbocharger applications
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Very robust construction
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Mounting position / main dimensions
Diameter of tip end about 5 mm
Length of nose min 30 mm
Bracket for fixing screw M5
Cable diameter ~ 5 mm, typical length 300 mm
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Ready to be mounted in the compressor housing
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Thank you for
your attention
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JAQUET Products for
VG-Turbochargers and Turbobrakes