NL73647C - - Google Patents

Info

Publication number
NL73647C
NL73647C NL73647DA NL73647C NL 73647 C NL73647 C NL 73647C NL 73647D A NL73647D A NL 73647DA NL 73647 C NL73647 C NL 73647C
Authority
NL
Netherlands
Application number
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.)
Publication of NL73647C publication Critical patent/NL73647C/xx
Priority claimed from US726931A external-priority patent/US2073344A/en
Priority claimed from US59021A external-priority patent/US2073345A/en

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/06—Receivers
    • H04B1/10—Means associated with receiver for limiting or suppressing noise or interference
    • H04B1/14—Automatic detuning arrangements
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16J—PISTONS; CYLINDERS; SEALINGS
    • F16J9/00—Piston-rings, e.g. non-metallic piston-rings, seats therefor; Ring sealings of similar construction
    • F16J9/12—Details
    • F16J9/20—Rings with special cross-section; Oil-scraping rings
    • F16J9/203—Oil-scraping rings
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16J—PISTONS; CYLINDERS; SEALINGS
    • F16J9/00—Piston-rings, e.g. non-metallic piston-rings, seats therefor; Ring sealings of similar construction
    • F16J9/12—Details
    • F16J9/20—Rings with special cross-section; Oil-scraping rings
    • F16J9/206—One-piece oil-scraping rings

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Sealing Devices (AREA)
NL73647D 1934-05-22 NL73647C (zh)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US726931A US2073344A (en) 1934-05-22 1934-05-22 Superheterodyne receiver
US59021A US2073345A (en) 1934-05-22 1936-01-14 Superheterodyne receiver
NL740375X 1952-01-18

Publications (1)

Publication Number Publication Date
NL73647C true NL73647C (zh)

Family

ID=29424273

Family Applications (1)

Application Number Title Priority Date Filing Date
NL73647D NL73647C (zh) 1934-05-22

Country Status (2)

Country Link
GB (1) GB740375A (zh)
NL (1) NL73647C (zh)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2867482A (en) * 1958-01-31 1959-01-06 Joseph J Schmidt Piston rings

Also Published As

Publication number Publication date
GB740375A (en) 1955-11-09

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