US2019085860A1PendingUtilityA1
Mounting structure, rotational machinery, air conditioning apparatus, and adjustment method
Est. expirySep 15, 2037(~11.1 yrs left)· nominal 20-yr term from priority
F04D 29/668F04D 29/263F04D 29/281F24F 2013/205F04D 29/624F04D 25/088F24F 13/20F04D 25/08F04D 29/662
41
PatentIndex Score
0
Cited by
0
References
0
Claims
Abstract
According to one embodiment, a mounting structure includes: a first member including a first outer surface provided with first dents arranged around a second axis at an interval of a first angular distance; a second member including a second inner surface provided with second dents arranged around the second axis at an interval of a second angular distance, and a second outer surface provided with third dents arranged around a third axis at an interval of a third angular distance; a third member includes a third inner surface provided with fourth dents arranged around the third axis at an interval of a fourth angular distance; a first limiting member housed in one of the first dents and one of the second dents opposing each other; and a second limiting member housed in one of the third dents and one of the fourth dents opposing each other.
Claims
exact text as granted — not AI-modifiedWhat is claimed is:
1 . A mounting structure, comprising:
a first member including:
a first inner surface that extends along and around a first axis, at least a part of the first inner surface which forms a first hole; and
a first outer surface that is opposite the first inner surface, extends along and around a second axis different from the first axis, and is provided with one or more first dents arranged around the second axis at an interval of a first angular distance;
a second member including:
a second inner surface that extends along and around the second axis and is provided with one or more second dents arranged around the second axis at an interval of a second angular distance different from the first angular distance, at least a part of the second inner surface which forms a second hole that allows the first member to be housed, in contact with the first outer surface of the first member; and
a second outer surface that is opposite the second inner surface, extends along and around a third axis different from the second axis, and is provided with one or more third dents arranged around the third axis at an interval of a third angular distance;
a third member including:
a third inner surface that extends along and around the third axis and is provided with one or more fourth dents arranged around the third axis at an interval of a fourth angular distance different from the third angular distance, at least a part of the third inner surface which forms a third hole that allows the second member to be housed, in contact with the second outer surface of the second member;
a first limiting member that is housed in one of the one or more first dents and one of the one or more second dents opposing each other, and limits rotation of the first member and the second member around the second axis; and a second limiting member that is housed in one of the one or more third dents and one of the one or more fourth dents opposing each other, and limits rotation of the second member and the third member around the third axis.
2 . The mounting structure according to claim 1 , wherein
the first axis, the second axis, and the third axis are in parallel with one another, and a distance between the first axis and the second axis is equal to a distance between the second axis and the third axis.
3 . The mounting structure according to claim 2 , wherein a first difference between the third angular distance and the fourth angular distance is a divisor of at least one of the third angular distance and the fourth angular distance.
4 . The mounting structure according to claim 3 , wherein at least one of the third angular distance and the fourth angular distance is set to a divisor of 360-degree angle.
5 . The mounting structure according to claim 4 , wherein a first angle θ 1 being one of the third angular distance and the fourth angular distance is equally divided into n 1 parts by a difference Δθ 12 between the first angle θ 1 and a second angle θ 2 being the other of the third angular distance and the fourth angular distance,
a 360-degree angle is equally divided into n 2 parts by the first angle θ 1 ,
when the difference Δθ 12 is a divisor of 360-degree angle, a combination of the first angle θ 1 and the second angle θ 2 satisfies the following first expression:
(
n
1
-
1
)
2
n
1
-
n
2
<
0
(
if
θ
1
>
θ
2
)
n
1
2
-
1
n
1
-
n
2
<
0
(
if
θ
1
<
θ
2
)
First
expression
and the combination results in a value closest to zero from the first expression among multiple combinations of the first angle θ 1 and the second angle θ 2 , and
when the difference Δθ 12 differs from a divisor of 360-degree angle, the combination of the first angle θ 1 and the second angle θ 2 satisfies the following second expression:
(θ 1 −Δθ 12 ) 2 −180°Δθ 12 <0 (if θ 1 >θ 2 )
θ 1 2 −Δθ 12 2 −180°Δθ 12 <0 (if θ 1 <θ 2 ) Second expression
and the combination results in a value closest to zero from the second expression among multiple combinations of the first angle θ 1 and the second angle θ 2 .
6 . The mounting structure according to claim 2 , wherein a second difference between the first angular distance and the second angular distance is a divisor of at least one of the first angular distance and the second angular distance.
7 . The mounting structure according to claim 6 , wherein at least one of the first angular distance and the second angular distance is set to a divisor of 360-degree angle.
8 . The mounting structure according to claim 7 , wherein
a third angle θ 3 being one of the first angular distance and the second angular distance is equally divided into n 3 parts by a difference Δθ 34 between the third angle θ 3 and a fourth angle θ 4 being the other of the first angular distance and the second angular distance, a 360-degree angle is equally divided into ½n 4 parts by the third angle θ 3 , when the difference Δθ 34 is a divisor of 360-degree angle and the number of the one or more first dents or the one or more second dents arranged around the second axis at an interval of the fourth angle θ 4 is N, a combination of the third angle θ 3 and the fourth angle θ 4 satisfies the following third and fourth expressions:
(
n
3
-
1
)
2
n
3
-
2
n
4
<
0
(
if
θ
3
>
θ
4
)
n
3
2
-
1
n
3
-
2
n
4
<
0
(
if
θ
3
<
θ
4
)
Third
expression
180
°
Δ
θ
34
≤
n
4
(
N
-
1
)
(
if
θ
4
is
not
a
divisor
of
720
)
180
°
Δ
θ
34
≤
n
4
N
(
if
θ
4
is
a
divisor
of
720
)
Fourth
expression
and the combination results in a value closest to zero from the third expression among multiple combinations of the third angle θ 3 and the fourth angle θ 4 , and
when the difference Δθ 34 differs from a divisor of 360-degree angle, the combination of the third angle θ 3 and the fourth angle θ 4 satisfies the following fifth expression:
(θ 3 −Δθ 34 ) 2 −180°Δθ 34 <0 (if θ 3 >θ 4 )
θ 3 2 −Δθ 34 2 −180°Δθ 34 <0 (if θ 3 <θ 4 ) Fifth expression
and the combination results in a value closest to zero from the fifth expression among multiple combinations of the third angle θ 3 and the fourth angle θ 4 .
9 . The mounting structure according to claim 7 , wherein
a difference Δθ 34 between the third angle θ 3 being one of the first angular distance and the second angular distance and the fourth angle θ 4 being the other of the first angular distance and the second angular distance is a divisor of the third angle θ 3 , the third angle θ 3 is a divisor of 360-degree angle, the difference Δθ 4 is a divisor of 360-degree angle, and when a value obtained by dividing a 360-degree angle by the difference Δθ 34 is an odd number, the third angle θ 3 and the difference Δθ 34 satisfy the following sixth expression:
θ 3 =2Δθ 34 Sixth expression
and the number of the one or more first dents or the one or more second dents arranged at an interval of the fourth angle θ 4 is one.
10 . Rotational machinery, comprising:
the mounting structure according to claim 1 ; and a power source that includes a shaft to be inserted into the first hole, to rotate the shaft.
11 . An air conditioning apparatus, comprising:
the mounting structure according to claim 1 ; a power source that includes a shaft to be inserted into the first hole, to rotate the shaft; and a fan connected to the third member.
12 . An adjustment method of a mounting structure that comprises:
a first member including:
a first inner surface that extends along and around a first axis, at least a part of the first inner surface which forms a first hole; and
a first outer surface that is opposite the first inner surface, extends along and around a second axis different from and in parallel with the first axis, and is provided with one or more first dents arranged around the second axis at an interval of a first angular distance;
a second member including:
a second inner surface that extends along and around the second axis and is provided with one or more second dents arranged around the second axis at an interval of a second angular distance different from the first angular distance, at least a part of the second inner surface which forms a second hole that allows the first member to be housed, in contact with the first outer surface of the first member housed in the second hole; and
a second outer surface that is opposite the second inner surface, extends along and around a third axis different from and in parallel with the second axis, and is provided with one or more third dents arranged around the third axis at an interval of a third angular distance; and
a third member including a third inner surface that extends along and around the third axis and is provided with one or more fourth dents arranged around the third axis at an interval of a fourth angular distance different from the third angular distance, at least a part of the third inner surface which forms a third hole that allows the second member to be housed, in contact with the second outer surface of the second member housed in the third hole, a first distance between the first axis and the second axis being equal to a second distance r between the second axis and the third axis,
the adjustment method comprising:
rotating the first member around the second axis with respect to the second member by an angle θ r1 from a position where the first axis and the third axis coincide with each other, in accordance with an eccentric distance R f between the third axis and a gravity center of the mounting structure, the gravity center being represented by polar coordinates (R f ,θ f ) with reference to the third axis, the angle θ r1 satisfying the following seventh expression:
R f =r √{square root over (2(1−cos θ r1 ))} Seventh expression
rotating the second member around the third axis with respect to the third member by an angle θ r2 in accordance with an eccentric angle θ f between the third axis and the gravity center, the angle θ r2 satisfying the following eighth expression:
θ
f
=
θ
r
2
-
tan
-
1
sin
θ
r
1
1
-
cos
θ
r
1
+
π
Eighth
expression
housing a first limiting member in one of the one or more first dents and one of one or more the second dents opposing each other, to limit rotation of the first member and the second member around the second axis; and
housing a second limiting member in one of the one or more third dents and one of the one or more fourth dents opposing each other, to limit rotation of the second member and the third member around the third axis.Join the waitlist — get patent alerts
Track US2019085860A1 — get alerts on status changes and closely related new filings.
We store only your email — no account needed. See our privacy policy.