Abstract

A ternary nickel eutectic alloy consisting of 4.5 to 11 wt % chromium, 1 to 6 wt % cobalt, 1 to 4 wt % aluminum, 0 to 1.5 wt % titanium, 0 to 3 wt % tantalum, 16 to 22 wt % niobium, 0 to 3 wt % molybdenum, 0 to 4 wt % tungsten …

Legal parties

Party
Inventors (applicants): Robert J Mitchell, Sammy Tin
Assignees (initial): Rolls-Royce PLC (London, GB)
Agents: Oliff PLC (attorney)

The application was examined by Rebecca Lee (USPTO dept. 1734)

Claims

  • 1. A ternary nickel eutectic alloy consisting of 4.5 to 11 wt % chromium, 0 to 6 wt % cobalt …
  • 2. The ternary nickel eutectic alloy as claimed in claim 1 consisting of 5 to 10 wt % chromium …
  • 3. The ternary nickel eutectic alloy as claimed in claim 2 consisting of 5.5 to 9.5 wt % chromium …

Cited documents

Patents

  • JP 64087731 A, Mar. 1, 1989
  • Thompson et al. US 3564940 A, Feb. 1, 1971
  • Tarshis US 3767479 A, Oct. 1, 1973
  • Thompson et al. US 3671223 A, Jun. 1, 1972
  • Thompson US 3554817 A, Jan. 1, 1971
  • EP 1 193 321 B1, Oct. 1, 2003
  • Kraft US 3124452 A, Mar. 1, 1964
  • Ghosh US 4126495 A / 148/428, Nov. 1, 1978
  • Speidel et al. US 2002/0057984 A1 / 420/445, May. 1, 2002
  • Lemkey et al. US 3793010 A, Feb. 1, 1974

Drawings

Brief Description of Drawings

The present invention will be more fully described by way of example with reference to the accompanying drawings in which:— FIG. 1 shows a turbofan gas turbine engine having a turbine …

Description

Brief Summary

The present invention relates to a ternary nickel eutectic alloy. Conventionally high pressure compressor discs and/or high pressure turbine discs of gas turbine engines comprise high strength nickel base superalloys. …

Other Patent Relations

This nonprovisional application claims the benefit of U.S. Provisional Application No. 60/996,544, filed Nov. 23, …

Detailed Description

A turbofan gas turbine engine 10, as shown in FIG. 1 , comprises in axial flow series an inlet 12, a fan section 14, a compressor section 16, a combustion …

More details about Ternary Nickel Eutectic Alloy

Miscellaneous patent data

The patent particularly claims a ternary nickel eutectic alloy consisting of 5 to 11 wt % chromium…, the patent was granted on Oct. 14, 2014, the applicant's location - Chicago, IL, the published applicant's name is Tin Sammy, the recorded agent's company is Oliff PLC, the application publication date is Sep. 2, 2008, the grant number is 08858874, invented by Sammy Tin et al., the term of the patent was extended by 1150 days, the examination was conducted by Rebecca Lee, the main examiner (1734 USPTO department), claims 1-13 comprise the invention scope, the exemplary patent drawings are Micrograph of a ternary nickel, turbofan gas turbine engine having, enlarged view of turbine disc, Ternary Nickel Eutectic Alloy, the known inventor's name is Mitchell Robert J, the patent is illustrated by 3 drawings, the invention details are shown in 5 figures, the claim number 1 is selected as exemplary, the invention is titled Ternary Nickel Eutectic Alloy, numbered 12/230,561 (application), similar classification categories are aluminium as the major constituent, Zinc containing, Rare earth containing, containing aluminium or silicon, Silver Base, Chromium or molybdenum containing, more than 1.5% by weight of manganese, magnesium as the next major constituent, Adding sulfur, selenium or tellurium, cadmium as the next major constituent, the assignee is categorized as a foreign company or corporation, the assignee organization is Rolls-Royce PLC, located in London (GB), originally classified under Aluminum containing.

Invention classification information

The invention is classified under with chromium, Aluminum containing. The designated search classifications include Aluminum containing.

Patent details
Publication number 08858874
Publication date Oct. 14, 2014
Kind code B2
Application number 12/230,561
Application date Sep. 2, 2008
Application type U
Application series code 12
Extension term 1150
National classification 420/445
Total number of claims 13
Exemplary claims 1
Number of drawings 3
Number of figures 5
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