CA1144202A - Garniture etanche d'arbre compensatrice de pression - Google Patents

Garniture etanche d'arbre compensatrice de pression

Info

Publication number
CA1144202A
CA1144202A CA000381606A CA381606A CA1144202A CA 1144202 A CA1144202 A CA 1144202A CA 000381606 A CA000381606 A CA 000381606A CA 381606 A CA381606 A CA 381606A CA 1144202 A CA1144202 A CA 1144202A
Authority
CA
Canada
Prior art keywords
seal
ring
face
pressure
chamber
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
CA000381606A
Other languages
English (en)
Inventor
Edward C. Wahl
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.)
Gits Bros Mfg Co
Original Assignee
Gits Bros Mfg Co
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 Gits Bros Mfg Co filed Critical Gits Bros Mfg Co
Priority to CA000381606A priority Critical patent/CA1144202A/fr
Application granted granted Critical
Publication of CA1144202A publication Critical patent/CA1144202A/fr
Expired legal-status Critical Current

Links

Landscapes

  • Sealing Devices (AREA)
CA000381606A 1981-07-13 1981-07-13 Garniture etanche d'arbre compensatrice de pression Expired CA1144202A (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CA000381606A CA1144202A (fr) 1981-07-13 1981-07-13 Garniture etanche d'arbre compensatrice de pression

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA000381606A CA1144202A (fr) 1981-07-13 1981-07-13 Garniture etanche d'arbre compensatrice de pression

Publications (1)

Publication Number Publication Date
CA1144202A true CA1144202A (fr) 1983-04-05

Family

ID=4120423

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000381606A Expired CA1144202A (fr) 1981-07-13 1981-07-13 Garniture etanche d'arbre compensatrice de pression

Country Status (1)

Country Link
CA (1) CA1144202A (fr)

Similar Documents

Publication Publication Date Title
US6033117A (en) Sealed bearing drill bit with dual-seal configuration
US4299398A (en) Pressure compensating shaft seal
CA2254044C (fr) Meche de foret a roulement etanche, munie de deux joints d'etancheite et d'un systeme de nettoyage par fluide
US4335791A (en) Pressure compensator and lubricating reservoir with improved response to substantial pressure changes and adverse environment
US4484753A (en) Rotary shaft seal
US5588491A (en) Rotating blowout preventer and method
CA1157010A (fr) Garniture etanche autocompensatrice
US4329127A (en) Sealed bearing means for in hole motors
US4630244A (en) Rotary acting shear valve for drilling fluid telemetry systems
US3807513A (en) Downhole drilling tool bearing and seal assembly
US4593774A (en) Downhole bearing assembly
US11236575B2 (en) Rotating control device with multiple seal cartridge
US4577704A (en) Bearing system for a downhole motor
CA1145644A (fr) Soupape de derivation et de detente commandee par fluide sous pression
US4361194A (en) Bearing system for a downhole motor
US4557489A (en) Pressure balanced seal
JPH01287391A (ja) 自己制御性ドリルロッド
US4493381A (en) Turbodrill with a reduced drilling fluid pressure on a floating piston
CA1144202A (fr) Garniture etanche d'arbre compensatrice de pression
EP0070335A1 (fr) Joint d'étanchéité à compensation de pression
US4303138A (en) Earth drilling lubricated hydraulic shock absorber and method
EP0040847B1 (fr) Dispositif de compensation de pression
US3527511A (en) Seals between rotating parts
CA2056043C (fr) Restricteur de debit pour moteurs de forage de terrains lubrifies a la boue
US11753907B2 (en) Pressure adjuster for a downhole tool

Legal Events

Date Code Title Description
MKEX Expiry