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
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)
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)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2867482A (en) * | 1958-01-31 | 1959-01-06 | Joseph J Schmidt | Piston rings |
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0
- NL NL73647D patent/NL73647C/xx active
-
1953
- 1953-01-19 GB GB1517/53A patent/GB740375A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
GB740375A (en) | 1955-11-09 |