1. Black iron-based particles comprising a FeTiO3\u2014Fe2O3 solid solution or a mixed composition of a FeTiO3\u2014Fe2O3 solid solution and an iron-based oxide having a spinel structure, and having a Ti content of from more than 10.0 atm % to 40.0 atm %, calculated as Ti, based on whole Fe, and a blackness (L* value) of 6 to 13.
2. Black iron-based particles according to claim 1, wherein said iron-based oxide having a spinel structure is contained in such an amount that a ratio of a peak intensity of (220) plane of Fe3O4-\u03b3-Fe2O3 constituting the iron-based oxide having a spinel structure to a peak intensity of (104) plane of FeTiO3\u2014Fe2O3 is 1:0.5 or less, when measured by an X-ray diffraction method.
3. Black iron-based particles according to claim 2, wherein said ratio of a peak intensity of (220) plane of Fe3O4-\u03b3-Fe2O3 constituting the iron-based oxide having a spinel structure to a peak intensity of (104) plane of FeTiO3\u2014Fe2O3 is 1:0.01 to 1:0.45.
4. Black iron-based particles according to claim 1, wherein said black iron-based particles have a saturation magnetization value of not more than 60 Am2kg and an average particle diameter of 0.01 to 0.50 \u03bcm.
5. Black iron-based particles according to claim 1, wherein said black iron-based particles have a Ti content of 20 to 33.3 atm %, calculated as Ti, based on whole Fe, a saturation magnetization value of 0.1 to 40 Am2kg, a blackness (L* value) of 6 to 12.5 and an average particle diameter of 0.04 to 0.24 \u03bcm.
6. Black iron-based particles according to claim 1, wherein said black iron-based particles have a BET specific surface area value of 6 to 30 m2g and a tinting strength of 35 to 45.
7. Black iron-based particles according to claim 1, which further comprise a Na\u2014Fe\u2014Ti compound.
8. Black iron-based particles according to claim 7, wherein said Na\u2014Fe\u2014Ti compound is contained in such an amount that a ratio of a main peak intensity of the Na\u2014Fe\u2014Ti compound to a peak intensity of (104) plane of FeTiO3\u2014Fe2O3 is 0.01:1 to 1.00:1, when measured by an X-ray diffraction method.
9. Black iron-based particles according to claim 7, wherein said Na\u2014Fe\u2014Ti compound is NaFeTi3O8, NaFeTiO4 or Na0.75Fe0.75Ti0.25O2.
10. Black iron-based particles according to claim 7, wherein said black iron-based particles have a saturation magnetization value of 0.1 to 60 Am2kg.
11. Black iron-based particles according to claim 1, which further comprise a blue pigment in an amount of 0.1 to 20% by weight.
12. Black iron-based particles according to claim 11, wherein said black iron-based particles have a blackness (L* value) of 6 to 12 and a tinting strength of 30 to 42.
13. A black non-magnetic toner comprising a binder resin and the black iron-based particles as defined in claim 1.
14. Black iron-based particles a FeTiO3\u2014Fe2O3 solid solution or a mixed composition of a FeTiO3\u2014Fe2O3 solid solution and an iron-based oxide having a spinel structure, and having a Ti content of from more than 10.0 atm % to 40.0 atm %, calculated as Ti, based on whole Fe, a blackness (L* value) of 6 to 13, a saturation magnetization value of 5 to 40 Am2kg and an average particle diameter of 0.04 to 0.24 \u03bcm.
15. Black iron-based particles comprising:
a FeTiO3\u2014Fe2O3 solid solution or a mixed composition of a FeTiO3\u2014Fe2O3 solid solution and an iron-based oxide having a spinet structure, and a Na\u2014Fe\u2014Ti compound,
and having a Ti content of from more than 10.0 atm % to 40.0 atm %, calculated as Ti, based on whole Fe, a saturation magnetization value of 0.1 to 60 Am2kg, a blackness (L* value) of 6 to 13 and an average particle diameter of 0.04 to 0.24 \u03bcm, said Na\u2014Fe\u2014Ti compound being contained in such an amount that a ratio of a main peak intensity of the Na\u2014Fe\u2014Ti compound to a peak intensity of (104) plane of FeTiO3\u2014Fe2O3 is 0.01:1 to 1.00:1, when measured by an X-ray diffraction method.
16. Black iron-based particles comprising:
(1) 80 to 99.9 parts by weight of a FeTiO3\u2014Fe2O3 solid solution or a mixed composition of a FeTiO3\u2014Fe2O3 solid solution and an iron-based oxide having a spinel structure; and (2) 0.1 to 20 parts by weight of a blue pigment,
and having a Ti content of from more than 10.0 atm % to 40.0 atm %, calculated as Ti, based on whole Fe, a saturation magnetization value of 5 to 40 Am2kg, a blackness (L* value) of 6 to 13 and an average particle diameter of 0.04 to 0.24 \u03bcm.
17. Black iron-based particles according to claim 14, wherein said iron-based oxide having a spinel structure is contained in such an amount that a ratio of a peak intensity of (220) plane of Fe3O4-\u03b3-Fe2O3 constituting the iron-based oxide having a spinel structure to a peak intensity of (104) plane of FeTiO3\u2014Fe2O3 is 1:0.5 or less, when measured by an X-ray diffraction method.
The claims below are in addition to those above.
All refrences to claim(s) which appear below refer to the numbering after this setence.
1. A food waste disposer comprising:
a food conveying section, a motor section and a grind and discharge section, the grind and discharge section disposed between the food conveying section and the motor section, the food conveying section conveying food waste to a grind section of the grind and discharge section;
the grind section including a grind mechanism, the grind mechanism including a stationary grind ring and a rotating shredder plate assembly rotated by an electric motor of the motor section that rotates within the stationary grind ring to grind food waste;
the rotating shredder plate assembly including a shredder plate with one or more lugs; and
the motor having a stator and a rotor, the rotor having a rotor shaft entrained in at least one self-compensating bearing assembly, the self-compensating bearing assembly having a compressible bearing having an inside diameter that is reduced when the bearing is compressed to conform the inside diameter to an outside diameter of the rotor shaft.
2. The food waste disposer of claim 1, wherein the compressible bearing is a split spherical bearing and the self-compensating bearing assembly includes a compressive bearing pocket in which the split spherical bearing is received, the compressive bearing pocket having pocket angle so that a wall of the compressive bearing pocket exerts a compressive force on the split spherical bearing, compressing it against the rotor shaft.
3. The food waste disposer of claim 2 wherein the split spherical bearing has an axial slit allowing an inside diameter of the split spherical bearing to conform to an outside diameter of the rotor shaft when the split-spherical bearing is compressed.
4. The food waste disposer of claim 1 wherein the motor section includes thrust surfaces at opposed ends of the motor section that apply compressive force to the self-compensating bearing assembly and place the rotor shaft in tension.
5. The food waste disposer of claim 2 wherein when the motor section is in a vertical orientation, a weight of the rotor and solenoid forces of the motor provide a force on the split spherical bearing to force it down and against the wall of the compressive bearing pocket.
6. The food waste disposer of claim 1 wherein the motor section includes opposed ends and the at least one self-compensating bearing assembly includes one such self-compensating bearing assembly at one of the opposed ends of the motor section and another such self-compensating bearing assembly at the other opposed end of the motor section.
7. The food waste disposer of claim 6 wherein when the motor section is in a vertical orientation, the self-compensating bearing assemblies are an upper self-compensating bearing assembly and a lower self-compensating bearing assembly.
8. The food waste disposer of claim 2 wherein the motor section includes a secondary source of diametral compression of the split spherical bearing.