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US3830660A Expired / Lapsed US ⏱️ 0.0 years remaining

Method for operating a compressor

Assignee: Phillips Petroleum Co
•
Filing: 1972-11-30
•
Granted: 1974-08-20
•
Expires: 1992-11-30
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Abstract

Abstract A method for operating a compressor whereby fouling materials are removed from the compressor.

Inventors

  • 👤 E Ezell

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-31 12:00
CPC Classifications
F; F04; F04D; F04D29/00; F04D29/70; F04D29/701; F04D29/705

Claims Analysis

Total Claims: 6
Claim 1
Independent Claim 23 words
A method in accordance with claim 1 wherein said solvent is injected into said fluid stream continuously during the operation of said compressor.
Claim 2
Dependent Claim 12 words
A method in accordance with claim 1 wherein the solvent is methanol.
Claim 3
Dependent Claim 23 words
A method in accordance with claim 3 wherein said solvent is injected into said fluid stream continuously during the operation of said compressor.
Claim 4
Dependent Claim 44 words
A method in accordance with claim 3 wherein a volume within the range of from about 10 to about 20 gallons of methanol is injected into the compressor over a period of time within the range of from about 5 to about 60 minutes.
Claim 5
Dependent Claim 42 words
A method in accordance with claim 1 wherein the compressor has a suction temperature below about -25* F., a suction pressure less than about 200 psia, a discharge temperature above about +50* F., and a discharge pressure greater than about 350 psia.
Claim 6
Dependent Claim 20 words
A method in accordance with claim 6 wherein said compressor is the fourth-stage gas compressor of a multi-stage compressing system.

References Cited (Backward Citations)

US2704733A Cited
US2641267A Cited
US2955964A Cited
US2904458A Cited
GB789930A Cited
US3074822A Cited
US3400017A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1977-08-19 1978-02-18 1978-08-20 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1981-08-19 1982-02-18 1982-08-20 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1985-08-19 1986-02-18 1986-08-20 $7700.00 Window Closed / Lapsed

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