1. A rotary electrical apparatus comprising:
a housing;
a stator fixed within the housing and including a center axis being inclined by a predetermined angle relative to a horizontal direction in a case where the housing is fixed to a mounting member;
a rotor accommodated within the housing and provided to face the stator in a radial direction of the stator, the rotor being rotatable relative to the stator at the center axis; and
an oil stored at a lower side within the housing relative to the center axis of the stator and the rotor and functioning as at least one of a cooling oil, a lubricating oil, and an operating oil within the housing;
the housing including an oil inlet port allowing the oil to be supplied to the housing and an oil discharge port allowing the oil to be discharged to an outside of the housing once a predetermined amount of the oil is stored within the housing, the oil discharge port being displaced from a first oil passage on which the oil supplied from the oil inlet port moves downward along an inner peripheral wall surface of the housing in a state where the housing is held so that the center axis of the stator is arranged to be horizontal.
2. The rotary electrical apparatus according to claim 1, wherein the oil discharge port is displaced from a second oil passage on which the oil supplied from the oil inlet port moves downward along the inner peripheral wall surface of the housing in a state where the housing is fixed to the mounting member so that the center axis of the stator is inclined by the predetermined angle relative to the horizontal direction.
3. The rotary electrical apparatus according to claim 2, wherein the oil discharge port is positioned out of an extension of a straight line extending from the oil inlet port and intersecting with the center axis of the stator in the state where the housing is fixed to the mounting member so that the center axis of the stator is inclined by the predetermined angle relative to the horizontal direction.
4. The rotary electrical apparatus according to claim 1, wherein the oil inlet port and the oil discharge port are displaced from each other in a direction of the center axis of the stator.
5. The rotary electrical apparatus according to claim 1, wherein a portion of the housing perpendicular to the center axis of the stator is divided into a first area and a second area being different from the first area in a case where the housing is viewed from a direction of the center axis of the stator, the oil inlet port being arranged at the first area of the housing while the oil discharge port being arranged at the second area of the housing.
6. The rotary electrical apparatus according to claim 1, further comprising:
an input shaft rotatably supported by the housing and receiving a driving force of an internal combustion engine; and
a clutch device accommodated within the housing and brought in a connected state to connect the rotor and the input shaft to each other and in a disconnected state to disconnect the rotor and the input shaft from each other, wherein the oil functions as the operating oil bringing the clutch device in the connected state and the disconnected state.
7. The rotary electrical apparatus according to claim 1, wherein a height from an end surface of the oil discharge port to a surface of the oil in a state where the housing is fixed to the mounting member so that the center axis of the stator is inclined by the predetermined angle relative to the horizontal direction and the oil is stored in the housing while the oil is dischargeable from the oil discharge port is equal to a reference height defined from the end surface of the oil discharge port to the surface of the oil in a state where the housing is held so that the center axis of the stator is arranged to be horizontal and the oil is stored in the housing while the oil is dischargeable from the oil discharge port.
8. The rotary electrical apparatus according to claim 1, wherein the inner peripheral wall surface of the housing includes a planar seat surface being positioned at a lower side relative to the center axis of the stator and the rotor, a normal direction of the planar seat surface facing upwardly, and the oil discharge port is formed at the planar seat surface.
9. The rotary electrical apparatus according to claim 8, wherein the planar seat surface is parallel to the center axis of the stator.
10. The rotary electrical apparatus according to claim 8, wherein the housing includes an axial end wall portion facing an axial end surface of the stator, and the axial end wall portion includes a storage recess portion axially extending from an end surface of the axial end wall portion, the storage recess portion being arranged at a range for storing the oil in the housing, an upper boundary of the storage recess portion being formed at an upper side relative to the planar seat surface.
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 polymeric polyol composition comprising a reaction product of:
(a) a polymeric amine composition comprising amine compounds having the formula:
wherein:
each RA independently is a C1-C6 linear or branched alkyl;
each RB independently is a C3-C6 linear or branched alkanediyl;
each X independently is a hydrogen atom or RC\u2014NH2;
RC is a C3-C6 linear or branched alkanediyl;
n is an integer in a range from 0 to 10; and
the polymeric amine composition has a number-average molecular weight (Mn) from about 250 to about 1500; and
(b) at least one epoxide compound having the formula:
at least one glycidyl ether compound having the formula:
a combination thereof;
wherein:
RY is hydrogen, phenyl, cyclohexyl, or a C1-C18 linear or branched alkyl;
RZ is hydrogen, phenyl, a C1-C6 linear or branched alkyl-substituted phenyl, or a C1-C18 linear or branched alkyl.
2. The composition of claim 1, wherein RA is methyl, ethyl, or propyl.
3. The composition of claim 1, wherein RY is hydrogen, methyl, or phenyl.
4. The composition of claim 1, wherein RZ is methyl, ethyl, propyl, butyl, hexyl, 2-ethylhexyl, octyl, decyl, dodecyl, tetradecyl, hexadecyl, octadecyl, phenyl, or butyl-substituted phenyl.
5. The composition of claim 1, wherein the polymeric amine composition has a number-average molecular weight (Mn) from about 300 to about 800.
6. The composition of claim 1, wherein the polymeric polyol composition has a weight-average molecular weight (Mw) from about 400 to about 20,000.
7. The composition of claim 1, wherein the polymeric polyol composition has a weight-average molecular weight (Mw) from about 1,000 to about 5,000.
8. The composition of claim 1, wherein the polymeric polyol composition has a hydroxyl number from about 5 to about 600 mg KOHg.
9. The composition of claim 1, wherein the polymeric polyol composition has an amine value from about 10 to about 800 mg KOHg.
10. The composition of claim 1, wherein the polymeric polyol composition has a hydroxyl equivalent weight (EW) from about 100 to about 10,000.
11. The composition of claim 1, wherein the polymeric amine composition and the at least one epoxide compound or at least one glycidyl ether compound, or a combination thereof, are reacted in the presence of a catalyst.
12. A polyol formulation comprising a contact product of:
(i) the polymeric polyol composition of claim 1; and
(ii) at least one second polyol, wherein the at least one second polyol is at least one polyether polyol, at least one polyester polyol, or at least one polymer polyol, or any combination thereof.
13. The polyol formulation of claim 12, wherein a weight ratio of the polymeric polyol composition to the at least one second polyol is in a range from about 10:1 to about 1:1,000.
14. A method of making a polyurethane comprising contacting at least one polyisocyanate with the polyol formulation of claim 12 in the presence of a catalytically effective amount of a catalyst composition under conditions sufficient to produce the polyurethane.
15. The method of claim 14, wherein the catalyst composition is present in an amount from about 0.01 to about 20 parts by weight per hundred weight parts of the polyol formulation (pphp).
16. The method of claim 14, wherein the contacting of the at least one polyisocyanate and the polyol formulation occurs in the presence of at least one blowing agent under conditions sufficient to produce a polyurethane foam.
17. The method of claim 16, wherein the at least one blowing agent is water, methylene chloride, acetone, a chlorofluorocarbon, a hydrofluorocarbon, a hydrochlorofluorocarbon, or a hydrocarbon, or any combination thereof.
18. The method of claim 16, wherein the polyurethane foam is substantially free of volatile amines andor amine odors.
19. The method of claim 16, wherein the contacting of the at least one polyisocyanate and the polyol formulation occurs in the presence of at least one additive, wherein the at least one additive is at least one crosslinker, at least one cell stabilizer, at least one flame retardant, at least one chain extender, at least one epoxy resin, at least one acrylic resin, at least one filler, or at least one pigment, or any combination thereof.
20. A composition comprising a contact product of:
(i) at least one polyisocyanate; and
(ii) a polyol formulation comprising a polymeric polyol composition, wherein the polymeric polyol composition comprises a reaction product of:
(a) a polymeric amine composition comprising amine compounds having the formula:
wherein:
each RA independently is a C1-C6 linear or branched alkyl;
each RB independently is a C3-C6 linear or branched alkanediyl;
each X independently is a hydrogen atom or RC\u2014NH2;
RC is a C3-C6 linear or branched alkanediyl;
n is an integer in a range from 0 to 10; and
the polymeric amine composition has a number-average molecular weight (Mn) from about 250 to about 1500; and
(b) at least one epoxide compound having the formula:
at least one glycidyl ether compound having the formula:
a combination thereof;
wherein:
RY is hydrogen, phenyl, cyclohexyl, or a C1-C18 linear or branched alkyl;
RZ is hydrogen, phenyl, a C1-C6 linear or branched alkyl-substituted phenyl, or a C1-C18 linear or branched alkyl.
21. The composition of claim 20, wherein the at least one polyisocyanate comprises diphenyl methane diisocyanate or toluene diisocyanate, or a combination thereof.
22. The composition of claim 20, wherein the polyol formulation further comprises at least one second polyol, and wherein the at least one second polyol is at least one polyether polyol, at least one polyester polyol, or at least one polymer polyol, or any combination thereof.
23. The composition of claim 20, further comprising at least one urethane catalyst, wherein the least one urethane catalyst is at least one gelling urethane catalyst or at least one blowing urethane catalyst, or a combination thereof.
24. The composition of claim 20, further comprising at least one additive, wherein the at least one additive is at least one crosslinker, at least one cell stabilizer, at least one flame retardant, at least one chain extender, at least one epoxy resin, at least one acrylic resin, at least one filler, or at least one pigment, or any combination thereof.
25. A method for preparing a polyurethane foam comprising:
(A) forming a premix comprising:
(i) a polyol formulation comprising a polymeric polyol composition;
(ii) about 0.5 to about 50 pphp blowing agent;
(iii) zero to about 20 pphp water;
(iv) about 0.05 to about 10 pphp crosslinker;
(v) about 0.5 to about 10 pphp silicon surfactant;
(vi) zero to about 50 pphp flame retardant;
(vii) zero to about 20 pphp of a gelling catalyst or a blowing catalyst, or a combination thereof;
wherein the polymeric polyol composition comprises a reaction product of:
(a) a polymeric amine composition comprising amine compounds having the formula:
wherein:
each RA independently is a C1-C6 linear or branched alkyl;
each RB independently is a C3-C6 linear or branched alkanediyl;
each X independently is a hydrogen atom or RC\u2014NH2;
RC is a C3-C6 linear or branched alkanediyl;
n is an integer in a range from 0 to 10; and
the polymeric amine composition has a number-average molecular weight (Mn) from about 250 to about 1500; and
(b) at least one epoxide compound having the formula:
at least one glycidyl ether compound having the formula:
a combination thereof;
wherein:
RY is hydrogen, phenyl, cyclohexyl, or a C1-C18 linear or branched alkyl;
RZ is hydrogen, phenyl, a C1-C6 linear or branched alkyl-substituted phenyl, or a C1-C18 linear or branched alkyl; and
(B) contacting the premix with at least one polyisocyanate at an Isocyanate Index from about 40 to about 800.
26. An article of manufacture comprising the polyurethane foam prepared by the method of claim 25.