GB1298202A - Pump circuits for producing a voltage dependent on frequency - Google Patents

Pump circuits for producing a voltage dependent on frequency

Info

Publication number
GB1298202A
GB1298202A GB06673/69A GB1667369A GB1298202A GB 1298202 A GB1298202 A GB 1298202A GB 06673/69 A GB06673/69 A GB 06673/69A GB 1667369 A GB1667369 A GB 1667369A GB 1298202 A GB1298202 A GB 1298202A
Authority
GB
United Kingdom
Prior art keywords
frequency
input
transistor
rate
voltage
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
GB06673/69A
Other languages
English (en)
Inventor
Leonard Ramsay Hiscox
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Girling Ltd
Original Assignee
Girling Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Girling Ltd filed Critical Girling Ltd
Priority to GB06673/69A priority Critical patent/GB1298202A/en
Priority to US20786A priority patent/US3652134A/en
Priority to DE19702014804 priority patent/DE2014804A1/de
Publication of GB1298202A publication Critical patent/GB1298202A/en
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
    • B60T8/00—Arrangements for adjusting wheel-braking force to meet varying vehicular or ground-surface conditions, e.g. limiting or varying distribution of braking force
    • B60T8/17—Using electrical or electronic regulation means to control braking
    • B60T8/176—Brake regulation specially adapted to prevent excessive wheel slip during vehicle deceleration, e.g. ABS
    • B60T8/1761—Brake regulation specially adapted to prevent excessive wheel slip during vehicle deceleration, e.g. ABS responsive to wheel or brake dynamics, e.g. wheel slip, wheel acceleration or rate of change of brake fluid pressure
    • B60T8/17613—Brake regulation specially adapted to prevent excessive wheel slip during vehicle deceleration, e.g. ABS responsive to wheel or brake dynamics, e.g. wheel slip, wheel acceleration or rate of change of brake fluid pressure based on analogue circuits or digital circuits comprised of discrete electronic elements
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L3/00—Electric devices on electrically-propelled vehicles for safety purposes; Monitoring operating variables, e.g. speed, deceleration or energy consumption
    • B60L3/10—Indicating wheel slip ; Correction of wheel slip
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L2200/00—Type of vehicles
    • B60L2200/26—Rail vehicles

Landscapes

  • Engineering & Computer Science (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Sustainable Development (AREA)
  • Sustainable Energy (AREA)
  • Power Engineering (AREA)
  • Regulating Braking Force (AREA)
GB06673/69A 1969-03-31 1969-03-31 Pump circuits for producing a voltage dependent on frequency Expired GB1298202A (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
GB06673/69A GB1298202A (en) 1969-03-31 1969-03-31 Pump circuits for producing a voltage dependent on frequency
US20786A US3652134A (en) 1969-03-31 1970-03-18 Anti-skid control system utilizing a pump circuit for producing a voltage dependent on frequency
DE19702014804 DE2014804A1 (enExample) 1969-03-31 1970-03-26

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB06673/69A GB1298202A (en) 1969-03-31 1969-03-31 Pump circuits for producing a voltage dependent on frequency

Publications (1)

Publication Number Publication Date
GB1298202A true GB1298202A (en) 1972-11-29

Family

ID=10081570

Family Applications (1)

Application Number Title Priority Date Filing Date
GB06673/69A Expired GB1298202A (en) 1969-03-31 1969-03-31 Pump circuits for producing a voltage dependent on frequency

Country Status (3)

Country Link
US (1) US3652134A (enExample)
DE (1) DE2014804A1 (enExample)
GB (1) GB1298202A (enExample)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2135052B1 (enExample) * 1971-05-04 1974-03-08 Dba
US3792290A (en) * 1973-02-20 1974-02-12 Motorola Inc Tone detector with constant detection response time
DE2314016A1 (de) * 1973-03-21 1974-10-03 Bosch Gmbh Robert Frequenz-spannungs-umsetzer fuer ein antiblockierregelsystem
US3929382A (en) * 1974-05-10 1975-12-30 Eaton Corp Skid control system
DE2951755A1 (de) * 1979-12-21 1981-07-02 Alfred Teves Gmbh, 6000 Frankfurt Verfahren und schaltungsanordnung zur umwandlung von in fahrzeugen vorliegenden und als frequenz dargestellten veraenderlichen physikalischen groessen in zur frequenz proportionale zahlenwerte bzw. signale

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3482887A (en) * 1968-01-26 1969-12-09 Westinghouse Air Brake Co Combined anti-slip and anti-spin control for vehicle wheels

Also Published As

Publication number Publication date
DE2014804A1 (enExample) 1970-10-08
US3652134A (en) 1972-03-28

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PLNP Patent lapsed through nonpayment of renewal fees